Brackish Water Extra Low Pressure Elements
Membrane Material: Composite Polyamide
Membrane Type Design: ORM33K Spiral wound
Features: Fiberglass shell (-C) or shrink film-wrapped (-F)
| Model | Flow* | Rejection | Area | Spacer | |||
| M3/hr | GPD | Normal**/minimal*** | m2 | ft2 | mm | mil | |
| КCН 8040-C | 1,96 | 12 400 | 99,1/98,3 | 41 | 440 | 0,67 | 26 |
| КCН 8040-C3 | 1,66 | 10 500 | 99,1/98,3 | 35 | 375 | 0,86 | 34 |
| КCН 8040-C(-D) | 1,96 | 12 400 | 99,1/98,0 | 41 | 440 | 0,67 | 26 |
| КCН 8040-C3(-D) | 1,66 | 10 500 | 99,1/98,0 | 35 | 375 | 0,86 | 34 |
| КCН 8040-F | 1,96 | 12 400 | 99,1/98,3 | 41 | 440 | 0,67 | 26 |
| КCН 8040-F3 | 1,66 | 10 500 | 99,1/98,3 | 35 | 375 | 0,86 | 34 |
| КCН 8040-F(-D) | 1,96 | 12 400 | 99,1/98,0 | 41 | 440 | 0,67 | 26 |
| КCН 8040-F3(-D) | 1,66 | 10 500 | 99,1/98,0 | 35 | 375 | 0,86 | 34 |
| КCН 4040-C | 410 | 2600 | 99,1/98,3 | 8,6 | 93 | 0,67 | 26 |
| КCН 4040-C(-D) | 410 | 2600 | 99,1/98,0 | 8,6 | 93 | 0,67 | 26 |
| КCН 4040-F | 410 | 2600 | 99,1/98,3 | 8,6 | 93 | 0,67 | 26 |
| КCН 4040-F(-D) | 410 | 2600 | 99,1/98,0 | 8,6 | 93 | 0,67 | 26 |
Test Conditions: test solution of NaCl 500 mg/l, P=0,69 MPa, T=25°C , pH=7,5. Recovery – 15%
Nominal rejection is reached after 48 hours of continuous operation on test solution.
Minimal rejection of a new element after 20 minutes test on test solution.
Operating conditions and technical data for designing:
| Recommended operation pressure, MPa | 0,6-0,9 | ||
| Maximum operation pressure, MPa | 4,1/2,1 | ||
| Maximum pressure drop, MPa | 0 ,07 | ||
| 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 (KCH 8040-C (F)) 3.6 (KCH 4040-C (F)) |
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| 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.