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Low pressure reverse osmosis membrane element

 

 

 Introduction

Jozzon RW series RO membrane elements include high desalination series and high flow series. RW series are suitable for desalination of surface water, underground water and low pollution water source with TDS<1500ppm. RW series are mainly applied for municipal landscape and agricultural irrigation, drinking water treatment, municipal water supply, dewatering and reclaimed water treatment, water purification system in pharmaceuticals industry, business water purifier, water purifier system in hospital and laboratory and integrated water purifier with the advantages of lower operation pressure, higher flow and lower energy consumption.
 
 
Specification and Main Performance of Membrane ElementsTesting
 

  

Model

 

 

Active Membrane

 Area  ft2(m2)

 

Average Permeated 

Flow  GPD(m3/d)

 

Stable Rejection 

Rate(%)

 

Minimum Rejection 

Rate(%)

JRW-8040

400(37.2)

11000(41.6)

99.0

98.0

JRW8040-400-HF

400(37.2)

12500(47.4)

99.0

98.0

JRW8040-400-HR

400(37.2)

11500(43.6)

99.4

99.0

JRW-8040-430

430(40.0)

13200(49.9)

99.0

98.0

JRW-4040

90(8.4)

2500(9.5)

99.0

98.5

JRW-4040-HR

90(8.4)

2300 (8.7)

99.4

99.0

JLE-4040

92(8.6)

3000(11.3)

98.5

98.0

JRW-4021

38(3.5)

1000(3.78)

99.0

98.0

JRW -2521

14(1.3)

300 (1.13)

99.0

98.0

JRW -2540

28(2.6)

750 (2.84)

99.0

98.0

 
Conditions:
Testing Pressure………………………………………………… 150psi (1.03Mpa)
Temperature of Testing Solution………………………………. 25
Concentration of Testing Solution (NaCl)………………………1500ppm
pH Value of Testing Solution………………………………….….. 7.5
Recovery Rate of Single Membrane Element………………… 15%,8%4021 and 25Series
 
Operation Limits and Conditions
Max. Working Pressure……………………………………….. 600psi4.14Mpa
Max. Feedwater Flow………………………………………….. 75gpm(17m3/h)   (8040)
                                                                                                        16gpm(3.6m3/h)  (4040,4021)
                                                                                                        6.0gpm(1.4m3/h)  (2521,2540)
Max. Feedwater Temperature…………………………………45℃
Max. Feedwater SDI15………………………………………….5
Residual Chlorine Concentration of Feedwater………………0.1ppm
pH Range of Feedwater during Continuous Operation………310
PH Range of Feedwater during Chemical Cleaning……………212
The Max. Pressure Drop of a Single Membrane Element ..... 15psi(0.1Mpa)
 
 
 
 

 

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