100t Ultrafiltration (UF) Water Reclamation System for Pakistan
This 100t ultrafiltration system for reclaimed water reuse is an efficient solution tailored for the advanced treatment and resource reuse of industrial, municipal or industrial park wastewater in the Pakistan region. The system takes pretreatment + ultrafiltration (UF) as the core, combined with subsequent disinfection and stabilization processes, and is committed to further purifying reclaimed water from appropriately treated domestic sewage, industrial wastewater, etc. to a high standard of water quality that can be reused for various non-potable purposes such as green irrigation, landscape water replenishment, industrial cooling, and road cleaning, significantly improving the efficiency of water resource recycling. Relieve the local water resource tension and pressure.
System process overview
The system adopts a modular design, and the processes successively include:
Pretreatment unit: A grid machine is set up to remove larger suspended solids and floating matter, and a regulating tank is used to balance the water quality and quantity. Subsequently, through coagulation sedimentation or air flotation processes, colloids, some organic matter and suspended particles are effectively removed, providing stable feed water conditions for the ultrafiltration membrane system and preventing membrane fouling and clogging.
Core ultrafiltration module: It adopts hollow fiber ultrafiltration membrane modules that are resistant to pollution and have high throughput. Under pressure drive, physical screening is achieved, which can efficiently retain bacteria, viruses, colloids, suspended solids and large molecular organic substances. The turbidity of the produced water is usually less than 0.1 NTU, and the SDI15 value is less than 3. The water quality is clear and transparent.
Post-treatment and disinfection unit: The ultrafiltration product water can be disinfected by adding sodium hypochlorite or using ultraviolet (UV) light according to the reuse requirements to ensure that the microbial indicators meet the standards. When necessary, a clear water tank should be set up for water quality stabilization and temporary storage, and the water can be transported to each reuse point through a variable frequency constant pressure water supply system.
Core processing system description
- Ultrafiltration membrane system: The membrane frame is made of corrosion-resistant SS304 or higher grade stainless steel structure, and the membrane filament material is hydrophilic PVDF (polyvinylidene fluoride), featuring anti-pollution, easy cleaning and long service life. The system design enables fully automatic operation, including online backwashing, chemically enhanced backwashing (CEB), and regular chemical cleaning (CIP) functions, ensuring long-term stable water production.
- Intelligent control system: Equipped with a central control cabinet based on PLC and touch screen (HMI), it comprehensively monitors key parameters of the system such as feed water pressure, membrane pressure difference, product water flow rate, turbidity, and residual disinfectant amount. The system supports automatic operation, fault alarm, data recording and remote monitoring functions. It is easy to operate and suitable for the local power standards and operating environment in Pakistan.
Technical advantages and performance features
- The water quality of the produced water is excellent: The main indicators of the system’s produced water can reach: turbidity ≤0.2 NTU, suspended solids (SS) are almost completely removed, and the number of microorganisms is significantly reduced, meeting the local guidelines for reclaimed water reuse in Pakistan or internationally recognized standards for irrigation and industrial water use.
- High efficiency, energy conservation, stability and reliability: The ultrafiltration process does not require phase change and has relatively low energy consumption. The system design fully takes into account the common high-temperature climate and water quality characteristics in Pakistan. The key components have strong weather resistance and can ensure continuous and stable operation in high-temperature environments.
- High degree of automation and simple operation and maintenance: Fully automatic control and a complete cleaning procedure significantly reduce the intensity of manual operation and the requirements for professional skills. The membrane has a long service life and the comprehensive operating cost is economical.
- Resource recycling and environmental friendliness: Significantly reducing the consumption of fresh water and the discharge of sewage, promoting sustainable management of regional water resources, and having remarkable environmental and social benefits.
