Description
KeenSen residential reverse osmosis membrane.
KeenSen 100 GPD (gallons per day) reverse osmosis membrane is widely applicable to domestic water purification, direct consumption in buildings or offices and other small water purification equipment, etc.
Specifications.
Model |
Active membrane area ft2(m2) |
Permeation flux GPD (m3/d) |
Stable rejection rate of test method A (%) |
Stable rejection rate of test method B (%) |
RO-2012-100-2 |
6.3 (0.59) |
100 (0.38) |
96.00 |
98.50 |
Standard test condition of domestic reverse osmosis membrane.
Test method |
Solution concentration |
Temperature (℃) |
pH value |
Operating pressure psi (MPa) |
Recovery rate (%) |
A |
500mg/L (NaHCO3、CaCl2、NaCl) |
25 |
7.5 – 8 |
60 (0.41) |
50 |
B |
250mg/L NaCl |
25 |
7.5 – 8 |
60 (0.41) |
20-30 |
Notes: The permeate flux of a single membrane element may vary by ± 15%.
Limits and operating conditions of the membrane element:
Max. Working pressure |
300 psi (2.07 MPa) |
Max. Feed water temperature |
45 ℃ |
Max. Feedwater SDI15 |
5.0 |
Free chlorine concentration in feed water |
0.1mg/L |
pH range of feedwater during continuous operation |
3-10 |
pH range of feed water during chemical cleaning |
2-12 |
Max. Pressure drop of a single diaphragm element |
10 psi (0.07 Mpa) |
Related articles: What is reverse osmosis?
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