Brackish Water High Rejection Elements

Brackish Water High Rejection Elements

Membrane Material: Composite Polyamide
Membrane Type Design: ORM31K Spiral wound

Model Flow* Rejection Area Spacer
M3/hr GPD Normal**/minimal*** m2 ft2 mm mil
КC 8040-C1М1 1,81 11 500 99,7/99,5 39 420 0,72 28
КC 8040-C2М1 1,73 11 000 99,7/99,5 37 400 0,79 31
КC 8040-C3М1 1,62 10 300 99,7/99,5 35 375 0,86 34
КC 8040-C3М1-D 1,62 10 300 99,7/99,5 35 375 0,86 34
КC 4040-C1М1 390 2500 99,7/99,5 8,3 90 0,72 28
КC 4040-C2М1 360 2300 99,7/99,5 7,9 85 0,79 31
КC 4040-C3М1 350 2200 99,7/99,5 7,5 80 0,86 34
КC 4040-C3М1-D 350 2200 99,7/99,5 7,5 80 0,86 34

NaCl test solution 1500 mg/l, P=1.5 MPa, T=25°C, pH=7,5. Permeate recovery rate is 15%. (For KC 8040-C(1,2,3)М1)
NaCl test solution 1500mg/l, P=1,5 MPa, T=25°C, pH=7,5. Permeate recovery rate is 15%. (For KC 4040-C(1,2,3)M1)

Operating conditions and technical data for designing:

Recommended operation pressure, MPa 1,2-2,0
Maximum operation pressure, MPa 4,1
Maximum pressure drop, MPa 0 ,1
Operation temperature, 0  c 11 4-45
pH at continuous operation at T<35°C 2-11
pH at continuous operation at T<45°C 3-10,5
Chemical cleaning, temperature, °C* *** T<45 T<35 T<25
CIP pH (short time operation) 2-11 1-13 1-13
Free chlorine content, mg/I max 0,1
Maximum feed flow, m3/hr 17 (KC 8040-C(1,2,3)М1)

3,6 (KC 4040-C(1,2,3)M1)

Concentrate/permeate ratio on each element, min 5:1
SDI (15 minutes test), max 5
Turbidity, NTU max 1

During continuous work with pH over 10,5 the temperature must not exceed 35°С 2) Flow of each element in a batch may vary +/-15% *In case of chemical cleaning with a solution pH exceeding 11,5 or at the temperature level more than 45°С please contact original manufacturer for consultation.


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