FAQ

Treatment System FAQs

Pharmaceutical Water System

Q1: What are the Various Applications of Pharmaceutical Water Machines?

  • API production: Providing high-purity water for the dissolution, reaction, and purification of raw materials to avoid impurity interference.
  • Preparation: Providing water of corresponding purity (e.g., purified water, water for injection) for different dosage forms, such as oral medications and injections.
  • Cleaning and sterilizing: Cleaning production equipment and containers to prevent cross-contamination and ensure a sterile environment.
  • Medical device manufacturing: Rinsing medical devices (e.g., syringes, catheters) to ensure biocompatibility.
  • Laboratory testing: Providing high-purity water for sample dissolution and standard solution preparation to ensure accurate testing.
  • Auxiliary processes: Providing water for cleanroom humidification, pure steam generation, etc., to support full-process production compliance.

Q2: What are the Advantages of Our Pharmaceutical Water Systems?

Our pharmaceutical purified water equipment ensures high-purity water exceeding pharmacopoeial standards via advanced RO and EDI, complies with GMP, FDA, USP, Ph Eur, etc., features full-process real-time monitoring and intelligent control, and guarantees safety through multiple protections like emergency shutdown and alarms.

Q3:Which Purification Processes are Used in Pharmaceutical Water Systems?

Key purification processes in pharmaceutical water systems include pre-filtration, reverse osmosis (RO), electro-deionization (EDI), distillation (e.g., multi-effect distillation), UV disinfection, and ultrafiltration (UF).

Q4: What is the Quality of Water Produced by Pharmaceutical Water Systems?

The water produced meets or exceeds pharmacopoeial standards (USP, Ph Eur, etc.), featuring ultra-high purity with minimal ions, microorganisms, endotoxins, and organics, ideal for pharmaceutical use.

Q5: What Factors Should I Consider Before Buying a Pharmaceutical Water System?

Key factors include regulatory compliance (GMP, USP, etc.), required water quality/purity, production capacity (flow rate), operational costs (energy, consumables), system reliability/safety features, supplier support (installation, maintenance), and facility space constraints.

Q6: Do You Deliver Pharmaceutical Water Systems Abroad?

Yes, we deliver pharmaceutical water systems worldwide, supported by international shipping, installation guidance, and after-sales service to meet global clients’ needs.

Q7: What is the Capacity of a Pharmaceutical Water System?

The capacity of a pharmaceutical water system is not fixed; it is tailored entirely to the customer’s specific needs.

Key factors influencing capacity include production scale (e.g., small labs vs. large manufacturing plants), intended use (such as purified water (PW) for general purposes or water for injection (WFI) for critical applications), and the number of usage points within the facility. Suppliers typically offer customizable capacities ranging from hundreds of liters per hour for small-scale operations to several thousand liters per hour for large-scale pharmaceutical production, ensuring the system aligns precisely with the customer’s workflow and output requirements.

Q8: Are These Systems Certified?

Yes, our pharmaceutical water systems are fully certified to meet global regulatory standards, including GMP, USP, Ph Eur, CE, and FDA compliance. Certifications ensure adherence to strict quality, safety, and performance requirements for pharmaceutical applications.

Q9: Are These Systems Warranty Protected?

Yes, we have 1-year system warranty, excluding the consumables.

Q10: Do You Help Install Pharmaceutical Water Machines?

Yes, we provide installation services for pharmaceutical water machines, typically carried out by professional teams with expertise in GMP standards, including system setup, connection, and initial commissioning to ensure compliance and proper operation.

Reverse Osmosis System

Q1: What is reverse osmosis (RO)?

Reverse osmosis is a water purification process that uses a semipermeable membrane to remove dissolved solids, contaminants, and impurities from water by applying pressure to overcome osmotic pressure.

Q2: What Are The Basic Features Of Reverse Osmosis Systems?

Reverse osmosis systems feature semipermeable membranes for contaminant separation under pressure, effective removal of ions, organics, and microbes, pretreatment for membrane protection, high-pressure pumps, real-time monitoring, and modular designs for easy installation/maintenance.

Q3: How Effective Are Industrial Reverse Osmosis Systems?

Industrial reverse osmosis systems are highly effective, typically removing 95%-99% of dissolved salts, heavy metals, organics, and microbes, with performance tailored to specific industrial needs (e.g., high-purity water for electronics or pharmaceuticals) when paired with proper pretreatment and maintenance.

  • Broad Contaminant Removal: Efficiently eliminates TDS, bacteria, viruses, pesticides, and colloids, meeting strict purity standards (e.g., <10 ppm TDS for industrial use).
  • Scalability: Adapts to high flow rates (from 100 L/h to thousands of m³/h) for large-scale operations.
  • Cost-Efficiency: Balances high purification performance with long-term operational savings compared to alternatives like distillation.

Q4: What Is The Industrial Reverse Osmosis Water Treatment Process?

The industrial reverse osmosis water treatment process involves pretreatment to remove impurities and protect membranes, followed by high-pressure-driven separation where water molecules pass through RO membranes, and post-treatment to meet industrial standards.

Q5: What Should I Consider Before Buying a Reverse Osmosis System?

Before buying a reverse osmosis system, consider:

  • Feed water quality: Test for contaminants (e.g., hardness, TDS) to determine needed pretreatment.
  • Water demand: Calculate daily/peak flow rate and required purity (e.g., TDS levels).
  • System size: Ensure it fits installation space and scales with future needs.
  • Pretreatment needs: Check if filters/softeners are required to protect membranes.
  • Operating costs: Factor in energy use, replacement parts (membranes, filters), and maintenance.
  • Certifications: Verify compliance with local standards (e.g., FDA, NSF) for your application.
  • After-sales support: Ensure access to maintenance, spare parts, and technical assistance.

Q6: Can Reverse Osmosis Systems Be Used For Commercial Purposes?

Sure. Reverse osmosis systems are widely used for commercial purposes across industries like food and beverage, hospitality, healthcare, and manufacturing, due to their high purification efficiency and scalability.

Q7: What Is the Lifespan Of Reverse Osmosis System Membranes?

Reverse osmosis system membranes typically last 1-3 years, depending on factors like feed water quality, pretreatment efficiency, maintenance frequency, and operating pressure. Regular cleaning and proper system upkeep extend their lifespan.

Q8: Is RO water safe to drink?

Yes. RO-treated water meets or exceeds most international drinking water standards (e.g., WHO, EPA). However, some minerals are removed, so manufacturers may recommend remineralization for long-term consumption.

Q9: Are RO systems energy-efficient?

Yes. Molewater RO systems use energy-efficient pumps and membranes, reducing electricity consumption. For industrial-scale systems, energy recovery devices can further minimize costs.

Q10: Can RO systems be used for well water or seawater?

Well water: Yes, with proper pretreatment (e.g., sediment filtration, iron removal).

Seawater: Specialized seawater RO membrane are required, as it need highly boron removal to desalinate high-salinity water.

Ultrapure Water System

Q1: What is an ultrapure water system?

An ultrapure water system produces water with resistivity≥18.2 MΩ·cm and TOC (Total Organic Carbon) <5 ppb by combining advanced technologies like reverse osmosis (RO), electrodeionization (EDI), UV oxidation, and ultrafiltration.

Q2: What is the difference between Ultra-Pure Water and Deionized Water?

Deionized water primarily removes ions (via ion exchange) but may retain organics, microbes, or particles, suited for general lab/industrial use.

Ultra-pure water undergoes advanced processes (RO, EDI, UF) to eliminate nearly all contaminants (ions, organics, microbes, particles) with resistivity up to 18.2 MΩ·cm, ideal for high-purity needs like electronics or pharmaceuticals.

Q3: What are The Main Application Fields of Ultrapure Water Systems?

The main application fields of ultrapure water systems include electronics (semiconductor and chip manufacturing), pharmaceuticals (drug production and medical device cleaning), power generation (boiler feed water), laboratories (analytical testing), photovoltaics (solar cell production), and biotechnology (cell culture and research).

Q4: Do You Provide Laboratory Ultra-Pure Water Systems?

Yes, we provide laboratory ultra-pure water systems designed to meet strict purity standards for HPLC, DNA testing, reagent preparation, and various lab applications.

Q5: How Do You Properly Maintain Ultrapure Water Systems?

Proper maintenance of ultrapure water systems involves a combination of regular checks, component upkeep, and purity monitoring to ensure consistent performance.

  • Replace Consumables Timely: Regularly replace pre-filters (sediment, carbon) to prevent debris and organics from damaging RO membranes; swap out RO membranes, DI resin cartridges, and UV lamps according to manufacturer guidelines (typically every 6–12 months, depending on usage) to avoid ion leakage or reduced disinfection efficiency.
  • Monitor and Test Water Quality: Daily check key parameters like resistivity (aiming for ≥18.2 MΩ·cm), TOC levels, and flow rates using built-in meters or external analyzers. Address deviations promptly-sudden drops in resistivity may indicate exhausted resin or membrane fouling.
  • Clean and Sanitize Components: Periodically clean RO membranes with mild detergents to remove scaling or biofilm; sanitize storage tanks, pipes, and distribution loops (using hot water or approved chemicals like hydrogen peroxide) to prevent microbial growth, especially in systems with intermittent use.
  • Inspect System Parts: Check pumps, valves, and fittings for leaks or wear; ensure pressure gauges and sensors are calibrated annually for accurate readings. Lubricate moving parts as recommended to avoid mechanical failure.
  • Document and Schedule Maintenance: Keep detailed records of filter replacements, cleaning dates, and quality test results. Follow a predefined maintenance schedule (weekly checks, monthly deep cleans) tailored to your system’s usage intensity and application demands.

Q6: Are These Systems Warranty Protected?

Our products come with a one-year warranty period (excluding the consumables).

This warranty covers any manufacturing defects in materials or workmanship, including free parts replacement and repair services for issues arising under normal use and proper maintenance. Please note that the warranty does not apply to damages caused by improper installation, unauthorized modifications, misuse, neglect, or external factors such as natural disasters. For warranty claims, kindly contact our customer service team with your purchase proof and product details, and we will assist in resolving the issue promptly.

Q7: How does electrodeionization (EDI) enhance water purity?

EDI combines ion-exchange resins with an electric current to continuously regenerate resins without chemicals, removing boron, silica, and trace ions with ≥99.8% efficiency. Unlike traditional mixed-bed deionization (MBDI), EDI eliminates hazardous chemical handling and reduces waste by 90%.

Q8: What happens if water quality drops below standards?

Our systems include alarms for resistivity, TOC, or microbial spikes, triggering automatic shutdown or bypass to prevent contamination.

Q9: Can ultrapure water be stored long-term?

No. Ultrapure water rapidly absorbs CO₂ and contaminants from the environment, with resistivity dropping to 4 MΩ·cm within 1 hour. For critical applications, use recirculating systems with 0.2μm filters and UV to maintain purity.

Q10: How often do components need replacement?

RO membranes: 1–3 years (depends on feed water quality).

EDI modules: 5–10 years (minimal maintenance) .

UV lamps: Annually to maintain TOC reduction efficacy .

Pre-filters: 1–2 years (depends on feed water quality).

Ultrafiltration System

Q1: How Does an Ultrafiltration System Function?

Ultrafiltration systems are suitable for purifying surface water, underground water, and tap water, as well as pretreatment before RO, wastewater treatment, gray water recycling etc.

Q2: What Is the Difference Between Ultrafiltration Equipment and Nanofiltration?

Ultrafiltration equipment uses larger pores (0.01–0.1 μm) to separate macromolecules, colloids, and microbes via sieving at lower pressure.

Nanofiltration employs smaller pores (1–10 nm) to remove small organics and divalent ions through sieving and charge effects at moderate pressure.

Q3: Does Molewater offer a Customized Ultrafiltration System?

Yes, Molewater offers customized ultrafiltration systems tailored to specific needs, including flow rate, target contaminants, installation space, and industry-specific requirements.

Q4: What are the Components that Make an Ultrafiltration System?

An ultrafiltration system typically consists of a membrane module (hollow fiber, spiral wound, or tubular), a feed pump, pre-filters (e.g., multimedia or cartridge filters), a backwash system, chemical cleaning unit, pressure sensors, flow meters, and a control panel for automation.

Q5: Ultrafltration Equipment is Made of What Material?

Ultrafiltration equipment is made of materials including organic (PES, PVDF, PP) and inorganic (ceramic, metal) membrane materials, as well as structural materials like stainless steel, FRP, and UPVC for housings, piping, and fittings.

Q6: What are the Characteristics of the Ultrafltration System?

Ultrafiltration (UF) systems stand out for their membrane-based separation efficiency, mild operating conditions, and broad adaptability, making them a versatile choice for precise yet energy-efficient water and fluid purification.

  • Filtration precision: Targeting macromolecules, sparing small ones
  • Operating conditions: Low pressure, low energy consumption
  • Separation principle: Physical “sieving” without chemical additives
  • Membrane materials: Diverse and contamination-resistant

Q7: What are the Key Factors Affecting the Performance of an Ultrafiltration Equipment?

Key factors affecting ultrafiltration equipment performance include membrane characteristics (material, pore size, porosity), operating conditions (pressure, temperature, flow rate), feed water quality (contaminant type/concentration), membrane fouling, and maintenance practices.

Q8: What are the Delivery Options for Purchased Ultrafiltration System?

The delivery options for ultrafiltration systems typically depend on factors like system size, destination, customer needs, and project timelines. Here are the key options:

  • Sea Freight: Ideal for large-scale systems or bulk orders, cost-effective for long-distance international deliveries. Suitable when time is not critical, as transit times are longer (weeks to months).
  • Air Freight: Used for urgent orders or small/medium systems, offering faster delivery (days to a week) but at a higher cost.
  • Land Transport: For domestic or regional deliveries (e.g., within a country or neighboring regions), via trucks or trains. Efficient for short to medium distances with quicker transit and easier handling.

Q9: How Long Does it Take for Ultrafiltration System to be Delivered?

The delivery timeline for an ultrafiltration (UF) system depends on product type, customization needs, manufacturer location, and shipping logistics.

  • Domestic Shipping (e.g., within China): Road Freight: 1–3 days for regional deliveries (e.g., Guangzhou to Chongqing).Rail/Air: 1–2 days for urgent orders.
  • International Shipping: Sea Freight: 2–4 weeks (e.g., China to Europe/U.S.). Air Freight: 3–7 days.
  • Documentation: Customs clearance (1–3 days) and compliance checks (e.g., CE, FDA) may delay international shipments.

Q10: Can UF systems be integrated with existing water lines?

Yes. UF systems can be retrofitted into most water supply lines. However, compatibility assessment (e.g., pressure, flow) is recommended to ensure optimal performance.

Purified Water System

Q1：Which Water Purification Technologies Are Used in Purified Water Generation Systems?

Purified water generation systems integrate a variety of water purification technologies to achieve the required purity levels, with the specific combination depending on raw water quality and application standards. The key technologies include:

  •  Reverse Osmosis (RO)：A core semi-permeable membrane technology: pressure drives water through, blocking dissolved salts, ions, organics, colloids and microbes. It reduces TDS effectively, acting as a primary purification step in most systems.
  • Deionization (DI) / Ion Exchange：Deionization (DI) / Ion Exchange: Uses ion exchange resins to remove dissolved ions (e.g., calcium, sodium, chloride). Cation resins replace positive ions with hydrogen, and anion resins replace negative ions with hydroxide, yielding high-purity water. Mixed-bed DI systems (both combined) boost lab purity.
  • Ultrafiltration (UF)：Uses membranes with 0.01–0.1 μm pores to filter out suspended solids, colloids, microbes, and large macromolecules (e.g., proteins). Often, a pretreatment to protect RO membranes or a polishing step for microbial control is required.
  • Nanofiltration (NF)：Similar to RO but with larger pores (0.001–0.01 μm). Selectively removes multivalent ions (e.g., calcium, magnesium), organics, and pesticides, allowing some monovalent ions through. Suitable for partial desalination and organic removal needs.
  • Distillation：Heats water to vaporize, then condenses vapor to separate non-volatile impurities (e.g., salts, heavy metals). Produces high-purity water, critical for pharmaceuticals (e.g., WFI) as it removes heat-stable contaminants.
  • Electrodeionization (EDI): Combines ion exchange and electrodialysis: ions are removed via membranes and resins under an electric field, with resins regenerated by the current. Produces high-purity water without chemical regeneration, ideal for continuous industrial use.

Q2：Is there a remote monitoring and fault warning function to detect and solve problems in a timely manner?

Yes, our Molewater purified water systems are equipped with advanced remote monitoring and fault warning functions. The system features built-in smart sensors and a cloud-based monitoring platform that continuously tracks key operational statuses. When anomalies or potential issues are detected, the system automatically triggers real-time fault warnings. Furthermore, the remote monitoring system enables our technical team to access real-time data remotely, quickly diagnose the causes of faults, and provide guidance for troubleshooting-whether through online instructions or remote parameter adjustments. This integration of monitoring and warning functions minimizes downtime and ensures the system operates stably and efficiently.

Q3: How long does the installation process take? Do you provide installation services and are there any charges?

The installation process may vary depending on the conditions of the installation site. For domestic customers, we provide free on-site installation services. For overseas customers, we can also offer on-site installation services; however, customers need to additionally cover the wages of our workers, as well as travel, accommodation, and food expenses. We can also provide free online guidance for customers to install by themselves.

Q4: What Are the Main Advantages of Do Purification Water Systems?

Molewater purified water systems offer a multitude of advantages:

  • Environmental Sustainability：Molewater systems boost purified water availability while minimizing environmental impact. By reducing reliance on bottled water, they cut plastic waste and curb pollution in water bodies. They also help avoid overexploiting natural freshwater reserves, supporting eco-conservation for both ecosystems and communities.
  • User-Centric Benefits: For users, Molewater delivers high-purity water in a cost-effective, convenient way. The systems are reasonably priced and keep production costs low. They efficiently filter out harmful contaminants like bacteria and viruses, lowering health risks.
  • Operational Advantages: Energy Efficiency: Engineered for optimal energy use, slashing long-term utility costs.
  • Ease of Use: Automatic controllers simplify operation – minimal training needed, streamlining daily workflows.
  • Durability: Built with rust-resistant materials, ensuring a long service life and reducing maintenance/replacement hassles.
  • Purification Performance: Boast top-tier contaminant removal rates, consistently meeting strict purity standards for lab, industrial, or medical uses.

In short, Molewater combines eco-friendly practices, user affordability, and reliable performance -a smart investment for sustainable water purification.

Q5: What Are the Main Types of Purified Water Systems?

 To meet the diverse needs of different application fields, manufacturers develop various types of water purification systems. Our extensive equipment portfolio spans industrial, residential, and commercial sectors. Below is a concise overview of the most prominent purified water systems.

  • Reverse Osmosis (RO) Systems：Use semi-permeable RO membranes to force water through under pressure, rejecting dissolved solids, ions, organics, and microbes.
  • Deionization (DI) Systems：Remove ions (e.g., sodium, calcium) via ion-exchange resins (cation + anion resins). Mixed-bed DI systems offer higher purity.
  • Distillation Systems：Heat water to vaporize, then condense the vapor to separate it from non-volatile impurities (solids, ions).
  • Ultrafiltration/Nanofiltration Systems：Employ ultrafiltration or nanofiltration membranes to physically filter out particles, microorganisms, and macromolecules.
  • Combination Systems：Integrate two or more of the above technologies to address complex water quality challenges and achieve higher purity levels than single systems. By leveraging the strengths of each component, these systems compensate for individual limitations and optimize overall performance.

Q6: What is the delivery cycle for the equipment?

The delivery cycle of the equipment varies depending on factors such as the specific model, the complexity of configuration, and your location. For our small laboratory pure water systems, the production and delivery cycle is usually 7 days. If you require customized configurations (such as special capacity, additional functional modules) to meet specific needs, the cycle may be extended to 30 days due to the need for customized production and testing. We will provide you with a detailed delivery schedule after confirming the order and keep you updated on the production and shipping progress in real time.

Q7: Which Pretreatment Systems Are Commonly Used in Purified Water Systems?

Water purification unfolds in three key stages: pretreatment, primary treatment, and post-treatment. Pretreatment kicks off the process by targeting and removing aggressive impurities, which helps reduce fouling in core equipment and sets the stage for subsequent purification. Below are the pretreatment systems commonly utilized in water purification applications.

  • Multi-media filter：To remove large suspended solids such as silt, sand, and rust particles, filter media like quartz sand and activated carbon are employed. This prevents such substances from clogging or damaging downstream equipment.
  • Activated Carbon Filtration： Utilizes activated carbon filter media to adsorb free chlorine, as well as pollutants causing abnormal colors and odors.
  • Water Softening (Ion Exchange-Based):  Through ion exchange resins, replace hardness ions (calcium, magnesium) with sodium or potassium ions. Minimize scale formation in pipes, boilers, and RO membranes.
  •  Chemical Dosing Systems: Chemical dosing systems automatically disperse chemical reagents into the feed water to remove specific impurities. These systems commonly inject reagents such as chlorine and antiscalants. Antiscalants reduce water hardness in the feed water, while chlorine eliminates harmful microorganisms.

Q8: Do You Manufacture Purified Water Systems for Pharmaceuticals?

Yes, Molewater manufactures purified water systems for the pharmaceutical industry. We produce pharmaceutical-grade purifiers that comply with strict standards such as the United States Pharmacopeia (USP), European Pharmacopoeia (EP), Good Manufacturing Practice (GMP), and Japanese Pharmacopoeia (JP). Our product range includes reverse osmosis systems, electrodeionization systems, multi-effect distillation systems, pure steam systems, UV sterilizers, and integrated systems. These systems can all be customized. For any pharmaceutical water purification equipment needs, please contact us.

Q9:Which lmpurities Are Extracted by By Water Purification Systems?

Molewater purification systems leverage a variety of advanced technologies to remove unwanted contaminants from water. The specific purification technologies of different Molewater systems determine the types and extents of impurities that can be eliminated. Our reverse-osmosis (RO)-based systems can efficiently get rid of dissolved solids, as well as a wide range of microorganisms, minerals, heavy metals, and organic compounds. When raw water is distilled in our processes, microorganisms, dissolved salts, and suspended solids are left behind as residues.

Molewater ion-exchange purifiers operate by replacing pollutant ions such as chloride ions, magnesium ions, nitrate ions, and calcium ions with non-pollutant ions. The efficiency of the ion-exchange process depends on the configuration of the system. Compared with dual-bed ion exchangers, our mixed-bed ion-exchange systems exhibit relatively higher performance. To remove various microbial contaminants, we use ozone or UV water sterilizers to ensure the thorough elimination of these harmful substances.

Q10: Do Purified Water Generation Systems Necessitate Post-Treatment?

At Molewater, whether post-treatment is needed hinges on your target water purity. Our purification systems lay a strong foundation, but post-treatment refines water further—tackling trace residues left after initial filtration. 

Molewater designs flexible post-treatment modules—customizable to your workflow, whether you need microbial control, mineral adjustment, or contaminant polishing. For tailored advice, contact our team to match post-treatment solutions to your exact water quality goals.

Laboratory Water Purification System

Q1: What Industries Use Laboratory Water Purification Systems?

Laboratory pure water systems are applied in various industries that require high-purity water for critical processes. The following are the common application industries for Mole Laboratory pure water systems: Hospitals and clinics. Industrial laboratories. Government laboratories. Agricultural research laboratories. Academic research laboratories.

Q2: What Are The Most Frequently Used Techniques in Laboratory Water Purification Systems?

Molewater primarily utilizes three water treatment methods to remove bacteria, impurities, gases, organic substances, abnormal colors, and odors from water. The differences between these technologies lie in the quality of water they produce and the processes they employ. For different application scenarios, appropriate water purification methods can be selected based on their unique characteristics. Our engineers will provide free guidance on ideal water treatment solutions for your laboratory applications based on the information you provide. Below are our commonly used water treatment mechanisms: pre-treatment, reverse osmosis, (ultra) purification columns,UV sterilization, terminal microfiltration.

Q3: How Do Laboratory Water Purification Systems Work?

Laboratory water purification systems remove impurities from source water (e.g., tap water) to produce high-purity water for experiments, testing, etc. They use multi-stage filtration/purification, tailored to eliminate specific contaminants like ions, organics, microbes, and particulates. Here’s how they work:

  • Pre-Treatment: Protecting Subsequent Stages: Common pre-treatment methods include: 5-micron PP cotton for rough filtration (large particulates); activated carbon to adsorb residual chlorine and odors; ion exchange resin replaces calcium/magnesium with sodium (reducing hardness in hard water); 1-micron PP cotton for fine filtration (impurities over 1μm).
  • Reverse Osmosis (RO): Water is forced through a semi-permeable membrane under high pressure. The membrane allows water molecules to pass through but blocks most contaminants, including ions (e.g., sodium, calcium), organic compounds, bacteria, and viruses.
  • (Ultra) Purification Column: Both purification and ultra-purification columns use ion exchange. Purification columns: Cation/anion resins remove most ions, making moderate-purity water for general lab use. Ultra-purification columns: Mixed-bed resins (blended cation/anion) plus optional adsorbents remove trace ions and organics, producing ultra-pure water (up to 18.25 MΩ·cm) for high-precision experiments.
  • Ultraviolet (UV) Sterilization: UV light (typically 185 nm or 254 nm wavelength) is used to destroy microorganisms (bacteria, viruses, fungi) by damaging their DNA/RNA.

Q4: What type of water does the laboratory water purification system produce?

Different process flows will produce different types of water. Our Moore Laboratory pure water system mainly produces the following three types, include：

  • Type 3 Water: This is the tertiary pure water produced through reverse osmosis. It is made via reverse osmosis and carbon filtration. With a purity exceeding 99%, it offers high cost-effectiveness for most laboratory applications.
  • Type 2 Water: Considered standard lab-grade water, it results from combining multiple water treatment processes like reverse osmosis (RO) and ion exchange. Labs rely on it for chemical experiments and routine tasks.
  • Type 1 Water: As ultrapure water, it will go through an ultra-purification column and is used in advanced laboratory experiments, such as analytics and cell culture. Its resistivity can reach 18.25 MΩ·cm.

Q5: Can Laboratory Water Purification Systems Be Customized?

Yes. Molewater provides a wide range of customized laboratory water purification systems, designed to meet the specific needs of different laboratory applications. Based on your custom order, we will professionally install your laboratory water purification system in a standard-sized container at a reasonable price. Contact us, state your requirements, and we will deliver the perfect purification system for you.

Q6: Do you provide overseas delivery services for laboratory water purification systems?

Yes, Molewater provides overseas delivery services for laboratory water purification systems. We partner with reliable logistics providers to ship systems globally, handling customs, documentation, and safe transit. Whether for a single unit or bulk orders, we ensure timely, secure delivery to your overseas lab location. Contact our sales team to confirm shipping regions, costs, and arrangements.

Q7: Do You Provide Custom Spare Parts For Laboratory Water Purihication Systems?

Yes. Molewater meticulously crafts high-quality, highly adaptable, and durable standard and custom spare parts for each of our laboratory water purification systems. Additionally, for customers who purchase any of our laboratory water purification systems, we will provide a one-year supply of main filter consumables, which will be shipped along with the equipment to the location specified by you.

Q8: Do Laboratory Water Purification Systems Have A Warranty?

Molewater’s laboratory water purifiers come with a one-year warranty. During this warranty period, whenever our customers have needs, we will provide necessary assistance at any time. If there is a technical fault in your laboratory water purification system, we will offer repair or replacement services free of charge.

To make your system eligible for repair within the warranty scope, the fault must not be caused by human factors, and no unauthorized personnel shall open the equipment. If you encounter technical issues, please feel free to contact us at any time.

Q9: What Maintenance Services Are Required By Laboratory Water Purifhication Systems?

 For effective, long-lasting operation, laboratory water purification systems need regular, quality maintenance. Proper care enhances performance, extends lifespan, and ensures reliable pure water supply. Here are key maintenance services:

  • Filter Changes: Replace pre-filters (like PP cotton, activated carbon) based on usage-usually every 1-6 months. They trap particles, organics, and chlorine; clogged/depleted filters risk system efficiency.
  • RO Membrane Checks: Clean or replace RO membranes every 1-3 years (or sooner if flow/purity drops). Membranes remove most contaminants; fouling reduces production and water quality.
  • Resin/Column Renewal: Regenerate ion-exchange resins (for softening/polishing) regularly. When resin can’t maintain purity (e.g., resistivity falls), replace the entire purification column.
  • System Sanitization: Periodically disinfect pipes, tanks, and components to prevent microbial growth—critical for applications like cell culture. Use UV, chemicals, or hot water flushes as recommended.

Q10: Do Laboratory Water Purification Systems Require Certification?

All Molewater laboratory water purification systems hold patent certificates and are ISO 9001 certified (complying with strict quality management standards). Beyond that, our systems also meet ASTM specifications for laboratory water quality (e.g., resistivity, contaminant limits) and satisfy the European CE marking requirements for safety and performance. Molewater has 23 years of specialized experience in developing laboratory water purifiers. Our systems undergo rigorous testing and conform to global standards-from ISO 9001:2015 for quality assurance to ASTM D1193 for the purity of analytical water. We also hold environmental compliance qualifications, ensuring our solutions are both high-performing and environmentally responsible.

Mobile Water Treatment System

Q1: What is a Mobile Water Treatment System?

A Mobile Water Treatment System is a compact, transportable unit designed to purify water in various locations. It integrates treatment processes (like filtration, disinfection, reverse osmosis) into a movable setup (e.g., containers, trailers). Used for emergency response (floods, disasters), temporary needs (construction sites, events), or remote areas, it quickly provides clean water, adapting to different source waters (river, wastewater) to meet potable or reuse standards.

Q2: Where are Mobile Water Treatment Systems Commonly Used?

Mobile water treatment systems are typically used in scenarios requiring temporary, on-demand, or emergency water purification. Their main applications include:

Disaster response: Providing safe drinking water when fixed infrastructure is damaged after floods, hurricanes, or earthquakes.

Remote locations: Construction sites, mining operations, or rural/isolated areas where access to permanent water treatment facilities is limited.

Large-scale events: Military deployments and field encampments, where temporary surges in water demand exceed local supply capacity.

Industrial or agricultural needs: On-site water treatment for irrigation, industrial production processes, or addressing temporary contamination issues.

Q3: Which Processes Are Utilized in Mobile Water Treatment Plants?

Mobile water treatment plants integrate flexible, compact processes tailored to diverse water sources and purification needs. Common processes include:  

Filtration: Sand, activated carbon, or multimedia filters remove suspended solids, sediments, and organic matter.  

Disinfection: UV light, chlorination, or ozone to eliminate pathogens (bacteria, viruses) and ensure microbial safety.  

Membrane separation: Ultrafiltration (UF) or reverse osmosis (RO) for removing dissolved salts, heavy metals, and fine contaminants.  

Chemical treatment: Coagulation/flocculation (using chemicals like alum) to clump particles for easier removal, or pH adjustment to balance water acidity.  

These processes are modular, allowing quick adaptation to raw water quality (e.g., river water, wastewater, or brackish water) and target standards (drinking, industrial reuse).

Q4: Do You Provide Different Mobile Water Treatment Systems?

Yes, we offer various mobile water treatment systems, differing in structure, capacity and technology to suit diverse needs:

Trailer-mounted: Easily transportable via trailer, quickly deployable to remote areas, construction sites or disaster zones for general, pre-or emergency treatment of various water issues. Vehicle-mounted: High-capacity with built-in generators (no external power needed), ideal for military drills, field hospitals or disaster relief, adapting to complex water sources.

Containerized: Integrated in standard containers (with pretreatment, biological treatment and disinfection units), easy to transport/install. Suitable for temporary sites, remote areas or small communities, meeting varying sewage treatment scales.

Q5: Which Water Sources Can Be Treated Using Compact Water Treatment Systems?

Compact water treatment systems are designed to handle a wide range of water sources, thanks to their adaptable, scaled-down technologies. Common treatable sources include:

Surface water: Rivers, lakes, ponds, and streams (removing sediments, organic matter, and pathogens).

Underground water: Wells or springs (addressing minerals like iron/manganese, or minor contaminants).

Brackish water: Low-salinity water from coastal aquifers or estuaries (via desalination processes like reverse osmosis).

Their compact design allows flexibility to target specific impurities in these sources, making them suitable for off-grid, temporary, or low-volume needs.

Q6: Which Pretreatment Systems Are Utilized in Mobile Water Treatment Plants?

Common pretreatment systems in mobile water treatment plants include: screening systems (removing large debris), coagulation/flocculation units (aggregating fine particles), sedimentation tanks (settling flocs), filtration systems (multimedia, cartridge, or bag filters for fine solids), chemical dosing (pH adjustment, antiscalants, disinfectants), aeration/degassing (removing gases, oxidizing iron/manganese), and ultrafiltration (polishing before membranes). Selection depends on raw water quality.

Q7: How Much Water Can Be Produced by Mobile Water Treatment Systems?

Given that each customer has unique water consumption requirements, our water treatment systems can be customized to match their actual water demand, thereby helping customers avoid unnecessary costs.

Q8: Which Components Make up a Functional Mobile Water Treatment Plant?

The main components of a functional mobile water treatment plant include raw water storage tanks, pre-filtration systems (e.g., sand filters), chemical dosing units (for disinfection, coagulation), membrane filtration modules (e.g., RO, UF), disinfection systems (e.g., UV, chlorine), clean water storage tanks, and power supply units (generators, batteries).

Q9: What are The Advantages of Using Potable Water Treatment Package?

Potable water treatment package systems offer several key advantages, making them widely used in both residential and small-scale commercial settings:

Compact & Space-Saving: They integrate multiple treatment stages (e.g., filtration, disinfection, softening) into a single, pre-assembled unit, requiring minimal installation space—ideal for homes, offices, or remote areas with limited room.

Easy Installation & Operation: Pre-configured designs eliminate the need for complex on-site assembly. Most systems come with user-friendly controls, allowing quick setup and straightforward operation without specialized technical skills.

Consistent Water Quality: By combining standardized processes (e.g., reverse osmosis + UV disinfection), they reliably remove contaminants like bacteria, viruses, heavy metals, and chemicals, ensuring output meets potable water standards (e.g., WHO, EPA).

Scalability & Flexibility: Packages are available in various capacities (from 50L/h to 10m³/h) to match different demand sizes. They can also be customized with additional modules (e.g., desalination) for specific water sources (e.g., well water, surface water).

Cost-Effective: Lower upfront engineering costs compared to building a custom treatment plant, plus reduced maintenance expenses due to standardized, easily replaceable parts.

Portability: Many units are designed to be mobile, making them suitable for emergency scenarios (e.g., natural disasters) or temporary projects where water supply is unstable.

Q10: Is the equipment prone to breakdowns? How to repair it when problems occur? Do you provide after-sales support?

The equipment is designed with a focus on reliability, using durable components and a simplified structure, resulting in a low failure rate during normal operation. In case of any issues, we will provide a troubleshooting guide and remote technical support. We offer comprehensive after-sales support, including a one-year warranty, regular maintenance guidance, and online video consultation.

Wastewater Treatment System

Q1: How do Wastewater Treatment Plants Function?

Wastewater treatment plants function via a step-by-step process:

Pretreatment: Remove large debris and grit with screens and grit chambers to protect equipment.

Primary Treatment: Let solids settle in clarifiers; sludge drops to the bottom, oil/grease is skimmed off.

Secondary Treatment: Use microbes (in aeration tanks, trickling filters, or MBRs) to break down organic waste. Then, separate treated water from biomass in clarifiers.

Tertiary Treatment (Optional): For strict standards, filter water, disinfect it (via UV, chlorine, etc.), and remove extra nutrients (like nitrogen/phosphorus).

Sludge Handling: Treat sludge (e.g., via anaerobic digestion) to reduce volume and enable safe disposal or reuse (e.g., as soil conditioner).

In short, they use physical, biological, and chemical steps to clean wastewater for safe return to the environment or reuse.

Q2: What are the Advantages of Using Wastewater Treatment Systems?

 Wastewater treatment systems offer key advantages:

Environmental protection: Remove pollutants to prevent water/soil contamination and conserve freshwater via reuse.

Economic benefits: Cut water costs through recycling and generate revenue (e.g., biogas sales). Public health: Eliminate pathogens, reducing waterborne diseases.

Compliance & reputation: Meet regulations to avoid fines and enhance eco-friendly credentials.

Q3: What is a Membrane Bioreactor?

A Membrane Bioreactor (MBR) is a wastewater treatment technology that combines biological treatment (using microorganisms to break down organic pollutants) with membrane filtration (to separate solids, pathogens, and contaminants from the treated water). It replaces traditional secondary clarifiers, producing high-quality effluent suitable for reuse or strict discharge standards.

Q4：Where is Wastewater Treatment Systems Applied?

Wastewater treatment systems are applied in multiple scenarios: They are used in municipal sewage treatment to handle domestic sewage, making the effluent reach discharge or reuse standards. In industrial fields, industries like chemical, textile, and food process their production wastewater through these systems to meet environmental regulations. For agricultural wastewater, they treat wastewater from farming activities such as livestock breeding and irrigation runoff.
 Additionally, in some cases, treated wastewater can be reused for purposes like agricultural irrigation (with further advanced treatment for higher-end uses like swimming pools and potable water, often needing reverse osmosis or ultrafiltration).

Q5：How do I Select the Best Wastewater Treatment Plant?

To select the best wastewater treatment plant, follow these key steps:

Analyze Wastewater: Identify the type (municipal/industrial), contaminants (BOD, heavy metals), and flow rate.

Check Regulations: Confirm discharge/reuse standards and permits.

Choose Technology: Match tech (primary/secondary/tertiary) to pollutants (e.g., activated sludge for organics, reverse osmosis for strict reuse).

Operational Factors: Consider space, costs (capital/energy/maintenance), sludge management, and scalability.

Vendor Reliability: Pick suppliers with expertise, local support, and after-sales service.

Sustainability: Prioritize resource recovery (biogas, nutrients) and low environmental impact.

Align these with your needs for efficiency, compliance, and long-term reliability.

Q6: What Contaminants Does a Wastewater Treatment System Eliminate?

A wastewater treatment system is designed to eliminate a wide range of contaminants from wastewater to prevent harm to the environment and living organisms. Key contaminants removed include:

Physical impurities: Debris, large solid particles, sand, and colloidal substances.

Organic pollutants: High levels of biochemical oxygen demand (BOD) from organic matter, which, if left untreated, would deplete oxygen in water bodies.

Inorganic substances: Elevated total dissolved solids (TDS), such as salts and minerals.

Nutrients: Excess nitrogen and phosphorus, which can cause eutrophication in natural water systems.

Microorganisms: Harmful bacteria, viruses, and protozoa that pose health risks.

These removals ensure the treated water meets regulatory standards before discharge or reuse.

Q7: What is the Quality of Water Generated by a Wastewater Treatment System?

The quality varies by treatment process, influent characteristics, and regulatory/reuse goals.

After treatment, it can meet: Discharge standards (safe for ecosystems, e.g., low pollutants like heavy metals, pathogens). Reuse criteria (e.g., non-potable for irrigation, industrial cooling, or higher-grade for processes like toilet flushing).

In short: Treated to be “clean enough” for its intended end-use (discharge or reuse).

Q8: Do You Deliver Wastewater Treatment Plants Globally?

Yes, we deliver wastewater treatment plants globally. Our services cover project design, manufacturing, transportation, and after-sales support on a global scale. We adhere to international trade regulations, shipping standards, and local construction codes of various countries. For each overseas project, we conduct comprehensive feasibility studies regarding logistics (including container transportation and port loading/unloading) and regulatory compliance (such as environmental permits and safety norms). To date, we have supplied treatment plants to clients across multiple continents, ensuring their reliable operation in line with their wastewater treatment requirements.

Q9: Do you Help Install Wastewater Treatment Plants?

For domestic customers, Molewater can dispatch a technical team to assist with the installation and deployment of wastewater treatment equipment.

For overseas customers, we also offer on-site installation services, but customers are required to cover additional wages for our installers as well as their travel, accommodation and meal expenses.

Large-scale wastewater treatment systems, with their complex structures, generally require professional personnel for installation; small-scale equipment can be operated independently by following the free user manual. We also provide mobile wastewater treatment equipment such as containerized ones that require no installation and can be put into use immediately upon arrival. If on-site installation assistance is not feasible, we will provide clear video tutorials for guidance.

In addition, our technicians are available for remote troubleshooting via online audio and video at any time. For service inquiries, please feel free to contact Molewater.

Q10: What Services do you offer on Wastewater Treatment Systems?

For customers who choose our wastewater treatment systems, we offer a series of considerate services to ensure the efficient and smooth operation of the equipment. First of all, free technical consultation and analysis services are always available, helping you to accurately match the most suitable equipment. In addition, Molewater will, in accordance with the wastewater discharge regulations of your country, tailor-made exclusive wastewater treatment solutions. If you purchase our wastewater treatment equipment, you can also obtain a one-year warranty.  Whether you are a local or overseas customer, our delivery service can cover you. If you want to enjoy these services, just get in touch with Molewater, and you can start a worry-free experience.

Drinking Water System

Q1.How do I choose the best drinking water treatment equipment for me?

A: To choose the best drinking water treatment equipment, assess your water source (tap water, well water) and contaminants (sediments, bacteria, heavy metals). For general use, a reverse osmosis (RO) system works well for dissolved solids, while ultrafiltration (UF) machines excel at removing microbes. Match the capacity to your factory size—look for “500L/h” or “1000L/h” labels for efficiency.

Q2. How often should I replace filters in my drinking water equipment?

A: Filter replacement frequency depends on usage and water quality. Sediment filters need changing every 1–3 months, while activated carbon filters last 6–12 months. For RO membranes, replace every 1–2 years. Check your equipment’s manual—most modern systems have filter change alerts to maintain water purity.

Q3. Can drinking water treatment systems remove heavy metals like lead?

A: Yes, high-quality drinking water treatment systems (especially RO systems and ion exchange filters) effectively remove heavy metals like lead, arsenic, and cadmium. Look for certifications (e.g., NSF) to ensure heavy metal reduction, critical for safe drinking water.

Q4. Is it necessary to service drinking water equipment regularly?

A: Regular servicing of drinking water equipment is essential to maintain performance. Schedule annual checks for leaks, clean UV lamps, and calibrate sensors. Neglecting service can lead to poor water quality and system breakdowns—invest in maintenance to extend your equipment’s lifespan.

Q5. What’s the ideal TDS level for water from a drinking water system?

A: The ideal TDS (Total Dissolved Solids) level for drinking water is 50–150 ppm, as recommended by global standards. Most RO systems reduce TDS to this range, while mineral-adjusted systems balance purity with essential minerals. Use a TDS meter to monitor your treated water quality.

Q6. Why does my drinking water equipment produce water with a bad taste?

A: Bad-tasting water from your equipment may result from expired filters, bacterial growth in tanks, or unbalanced pH. Replace filters, sanitize storage tanks, and check pH levels (ideal 6.5–8.5). For persistent issues, test your source water for contaminants and upgrade to a carbon filter for better taste.

Q7.How does water hardness affect drinking water equipment?

QA: Hard water (high calcium/magnesium) causes scaling in pipes, filters, and RO membranes, reducing equipment efficiency. Use a water softener alongside your drinking water system to prevent buildup. Signs of hard water damage include reduced water flow and frequent filter clogs.

Q8.Can drinking water equipment remove fluoride from tap water?

A: Yes, certain drinking water equipment—like RO systems and deionization filters—effectively remove fluoride. Check for “fluoride removal” specifications; RO systems typically reduce fluoride by 80–90%, making them a top choice for areas with high fluoride levels in tap water.

Q9.What’s the difference between nanofiltration and reverse osmosis for drinking water?

A: Nanofiltration (NF) removes larger dissolved solids and organic matter while retaining beneficial minerals, making it ideal for moderately contaminated water. Reverse osmosis (RO) strips nearly all dissolved solids, producing ultra-pure water—best for high-salinity or heavily contaminated sources. Choose “nanofiltration for drinking water” for mineral retention or “RO systems” for maximum purity.

Q10.How do I know if my drinking water equipment is working properly?

A: Signs of proper function include consistent water flow, no unusual tastes/odors, and stable TDS levels (use a meter to check). Most systems also have indicator lights for filter life or faults. If water quality drops (e.g., cloudy appearance), test with a kit or contact customer service—regular checks prevent hidden issues.