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Features

  • Low fouling Hydrophilic Polyvinylidenefluoride (H-PVDF) membrane
  • ​​Excellent filtration performance with high flux
  • Durable and break resistant fiber structure
  • High chemical resistance and temperature tolerance for effective membrane cleaning
  • Very fine nominal pore diameter (0.03 μm)
  • High removal efficiency of bacteria and viruses
  • Dead-end or concentrate bleed flow capabilities
  • Outside-In flow configuration that allows for less plugging and higher solids loading,
  • higher flow area and easier cleaning
  • Can be periodically back washed and air scoured to improve performance and extend operating life by removing the fouling layer
  • Simple, vertical, modular design allows low cost, compact systems
  • Factory tested to insure the quality
  • ​1 Year Warrany

Ultrafiltration

Ultrafiltration is a pressure driven membrane separationprocess that removes suspended or particulate matter (including colloids & silt) from water. Ultrafiltration is more reliable than conventional multimedia filtration that removes approx. 10 micron or larger matter. Ultrafiltration also efficiently removes bacteria and most viruses.

Ultrafiltration systems eliminate the need for clarifiers and multimedia filters. Standard design is based on a UF module with outside-in flow configuration which allows for less plugging, higher solids loading, higher flow area and easy cleaning.


Module and Membane

Ultrafiltration module utilizes a double-walled hollow fiber (capillary) PVDF membrane which has a very small nominal pore diameter of 0.03 μm that allowsfor removal of all particulate matter, bacteria and most viruses and colloids. Despite the small pore diameter, the membrane has a very high porosity resulting in a flux similar to that of micro-filtration (MF)

 and can effectively replace MF in most cases.


System
System designed with ultrafiltration use an outside-in flow configuration which allows for less plugging, higher solids loading, higher flow area and easy cleaning. The primary flow design is dead-end filtration but the module can be operated using a concentrate bleed. Dead-end filtration uses less energy and has a lower operating pressure than the concentrate bleed, therefore reducing operating costs.


Standard system incluses:

  • 316SS Bo
  • oster pump
  • Hollow Fiber Modules
  • Automatic valves for feed backwashing
  • Solenoid valve for air scour for O/I UF
  • Flow transmitters: Filtrate and Backwash
  • Pressure gauges with transmitters (4)
  • 316SS Backwash pump
  • Backwash tank with float switch
  • Control panel

Operation specification

  • Power supply: 460V/3Ph/60Hz
  • Turbidity < 50 max. 300 NTU
  • TSS < 50 max. < 100 mg/L
  • TOC < 10 max. < 40 mg/L
  • COD max. < 60 mg/L
  • pH 6-9 (2-11 cleaning)
  • Temperature 25°C (max. 40 OC)
  • Cl2 0.5 ppm (2,000 cleaning)
  •  Backwash frequency 20-60 minutes

 


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