— Home —  Products —  MEMBRANE ELEMENTS — BRACKISH WATER (BW) SERIES

BRACKISH WATER (BW) SERIES

JK RO membrane elements – Brackish Water (BW) Series including high desalination and high flow are suitable for desalination of surface water, underground water and low-pollution water source with TDS < 5000ppm and mainly applied in pure water in food and pharmaceuticals industry, desalted water in power station, ion exchange softening system and purification system of river and underground water.


Specification and Main Performance of Membrane Elements
Model

Active Membrane Area

ft2(m2)
Average Permeated Flow GPD (m3/d)
Stable Rejection Rate ( %)
Minimum Rejection Rate (%)
JBW-8040
400(37.2)
9800(37.1)
99.5
99.3
JBW-8040-400-HF
400(37.2)
10600(40.1)
99.5
99.3
JBW-8040-400/34-HF
400(37.2)
10500(39.7)
99.5
99.3
JBW-4040
90(8.4)
2400(9.1)
99.5
99.3
JBW-4040-HF
90(8.4)
2700(10.2)
99.3
99.0

Testing Conditions
Testing Pressure
225psi (1.55Mpa)
Temperature of Testing Solution
25℃
Concentration of Testing Solution (NaCl)
2000ppm
pH Value of Testing Solution
7.5
Recovery Rate of Single Membrane Element
15%

Operation Limits and Conditions
Max. Working Pressure
600psi(4.14Mpa)
Max. Feedwater Flow

75gpm(17m3/h)   (8040)

16gpm(3.6m3/h)  (4040,4021)

Max. Feedwater Temperature
45℃
Max. Feedwater SDI15
5
Residual Chlorine Concentration of Feedwater
0.1ppm
pH Range of Feedwater during Continuous Operation
3~10
PH Range of Feedwater during Chemical Cleaning
2~12
The Max. Pressure Drop of a Single Membrane Element
15psi (0.1Mpa)