The core advantages of the UF filter are its stable effluent quality.It can provide up to 4-6 log(99.99%-99.9999%)removal of bacteria and viruses.The effluent turbidity is often below 0.1 NTU,and the Silt Density Index(SDI)is consistently below 3,making it the ideal pretreatment barrier for protecting downstream Reverse Osmosis membranes.Membrane materials(e.g.,PVDF)possess excellent fouling resistance,hydrophilicity,and chemical stability,tolerating frequent chemical cleaning.Systems typically integrate fully automatic combined air-water backwashing and Chemically Enhanced Backwash(CEB)functions to effectively restore membrane flux,enabling intelligent operation management.The process involves no phase change and requires no chemical additives,representing a green and efficient physical separation technology.
The standard system design pressure is typically 0.6 MPa,with low operating TMP(0.1-0.3 MPa),resulting in economical energy consumption.The hollow fiber module configuration dominates,offering extremely high packing density and a compact structure.Single-system recovery rates can reach 90-95%.A complete UF system includes a membrane rack,membrane modules,automated valves,backwash pumps,chemical cleaning devices,and a PLC control cabinet.The control system can automatically trigger cleaning cycles based on differential pressure,time,or permeate flow,and monitor key parameters online such as inlet/outlet pressure,permeate flow,and turbidity.
Used as advanced pretreatment for Reverse Osmosis(RO)systems,widely applied in ultrapure water preparation for electronics,power,and chemical industries.Used for deep purification of municipal and community drinking water to ensure microbial safety.In the food and beverage industry,used for juice clarification,beverage/beverage alcohol sterilization,and dairy product concentration.In the biopharmaceutical field,used for fermentation broth cell retention,protein separation,and pyrogen removal.It is also the core unit in Membrane Bioreactor(MBR)processes for efficient municipal and industrial wastewater treatment and reuse.
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