Ultrafiltration System 43,200 GPD - USA

Application: Ultrafiltration Pilot System for Secondary Wastewater (Treated Sewage)

This is model UF-60K-6 from our UF Series.

• Low & high-pressure switches
• Powder-coated steel frame
• Automatic screen filter
• SS pump
• PLC-based control panel
• Glycerin-filled 316 SS pressure gauges
• Product flowmeters
• TUF hollow fiber membranes
• 460V/3Ph/60Hz power supply
• Air compressor

The UF cleaning system was designed with the capability to clean one ultrafiltration module. The system came complete with a SS pump, 5-micron cartridge filter, and a 50-gallon tank. Pure Aqua, Inc. manufactures and supplies a full line of Ultrafiltration Systems. UF is a membrane separation process driven by pressure which takes out suspended or particulate matter from water. A UF is found to be extremely reliable compared to a conventional multimedia filter, which takes out approximately 10 micron or larger matter, where a UF membrane pore size ranges from 0.01 to 0.10 micron. UF membranes also have the power to efficiently remove bacteria and most viruses. Ultrafiltration systems are designed with numerous membrane filtrations where hydrostatic pressure pushes solvents against a partially-porous membrane. They have the capability of blocking large suspended particulates and solids while allowing water and solutes with a reduced molecular weight to be carried through the membrane. Industry and research take advantage of this separation process for mainly purifying and concentrating protein solutions. Ultrafiltration can be compared to microfiltration, nanofiltration or gas separation, except it is dissimilar in the molecule sizes it rejects. Ultrafiltration systems have exceptional advantages such as a tiny nominal pore diameter (0.03 µm), basic, vertical, modular design which delivers low-cost compact systems, and is frequently back washed and air scoured to improve performance and eliminate the fouling layer to lengthen operating life.

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Water Challenges: Ultrafiltration pilot systems are utilized for the testing of contamination within secondary wastewater or treated sewage. Treated sewage consists of high concentrations of microorganisms, bacteria, and viruses, which all have a huge potential for producing diseases when exposed to humans. To make matters worse, treated sewage has a tendency to infiltrate waterways and further pollute these water bodies. In order to prevent these activities from occurring, secondary wastewater is treated with water treatment systems such as ultrafiltration which is highly efficient in eliminating contaminants found in treated sewage.

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Applied Solution: Pure Aqua manufactured and supplied an ultrafiltration pilot system for a municipal project in California at 43200 GPD.

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• Superior filtration performance with high flux
• Very small nominal pore diameter (0.03 µm)
• Efficiently gets rid of bacteria and viruses
• Periodically back washed and air scoured to enhance overall performance and casting off the fouling layer to extend working life
• Low fouling membrane modules
• UF Outside-In or Inside-Out Configuration lets in reduced plugging and greater solids loading
• Basic, vertical, modular plan approves low cost, compact systems
• Effective membrane cleaning has a high chemical resistance and temperature tolerance

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