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Lab Filtration
Lab Instrument
Industry Liquid Filtration

MS® BW&FR RO Membrane Element

  

Brackish Water RO Membrane Elements and Fouling Resistant RO Membrane Elements are characterized by high desalting rate and stable permeate flow with high hydrophilic. The two kind of industrial reverse osmosis membranes are applicable to treat waste water with high TDS and desalination of brackish water.

Feature

  • This product is suitable to treat waste water with TDS from 2000 to 4000 ppm.

  • High hydrophilic

  • Long service life

  • High Rejection rate and stable permeate flow

  • 34mil feed spacers to control fouling

Application

  • Industrial-purpose pure water
  • Surface water and tap water
  • Boiler water replenishment        
  • Municipal sewage water
  • Commercial Water
  • Water with slight organic pollutants
  • Brackish water
  • Water with high TDS

Dimensions

 

Model A inch (mm) B inch (mm) C inch (mm) D inch (mm)
ROBW4040 40 (1016) 3.94 (99.6) 0.75 (19.1) 1.05 (26.7)
ROBW8040 40 (1016) 7.84 (201.8) 1.13 (28.6) -
ROFR4040 40 (1016) 3.94 (99.6) 0.75 (19.1) 1.05 (26.7)
ROFR8040 40 (1016) 7.84 (201.8) 1.13 (28.6) -

Specification

Model Active Membrane Area ft2 (m2) Average Permeated Flow GPD
(m3/d)
Stable Rejection Rate
 (%)
Minimum Rejection Rate
 (%)
ROBW4040 90 (8.4) 2200 (8.3) 99.5 99.3
ROBW8040 400 (37.2) 10000 (37.9) 99.5 99.3
ROFR4040 90 (8.4) 2200 (8.3) 99.5 99.3
ROFR8040 400 (37.2) 10000 (37.9) 99.5 99.3

Testing Conditions 

Testing pressure (psi) 225
Testing Solution Concentration (NaCl/ppm) 2000
Testing Temperature (°C) 25
Testing pH 7.5
Recovery Rate of Single Element (%) 8

Operation Limits and Conditions 

Max. Feedwater Temperature (°C) 45
Max. Working Pressure (psi) 600
Max. Feedwater Flow (GPM) 16 (4040)  75 (8040)
pH Range of Feedwater during Continuous Operation 3-10
pH Range of Feedwater during Chemical Cleaning 2-12
Max. Feedwater SDI15 5
Residual chlorine Concentration of Feedwater (ppm) ≤0.1
Max. Pressure Drop of Single Membrane Element (psi) 15

Points of Attentions
The permeate flow listed in the table is the average value. The permeate flow of single membrane element is with a tolerance not exceeding ±15%. 

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