Reverse Osmosis Membrane – KeenSen 50 GPD

KeenSen reverse osmosis membrane.

Membrane element RO residential series: RO-1812-50.

High rejection rate and low working pressure.

 

SKU: P_084076 Category:

Domestic reverse osmosis membrane.

Reverse osmosis is a process in which the flow rate is decreased by means of a semi-permeable membrane and a pushing force greater than the osmotic pressure is applied in the opposite direction to the osmosis process. In this way the substances in the water are divided on one side of the membrane (concentrate) and on the other side a dilute solution low in dissolved rigids is received.

KeenSen 50 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 flow
GPD(m3/d)
Stable rejection rate of test method A (%)
Stable rejection rate of test method B (%)
RO-1812-50
4.2(0.39)
50 (0.19)
96.00
98.50

Standard reverse osmosis membrane test condition.

Test method
Solution concentration
Temperature
(℃)
pH value
Operational 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 (2.07MPa)
Max. Feed water temperature
45 ℃
Max. FeedwaterSDI15
5.0
Free chlorine concentration in feedwater
0.1 mg/L
pH range of feed water during continuous operation
3 – 10
pH range of feed water during chemical cleaning
2 – 12
Max. Single diaphragm element pressure drop
10 psi (0.07Mpa)

 

Related articles: What is reverse osmosis?

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