used in the moving excess minerals, smells, chromaticity and other organic compounds that makes better taste in coffee,
| TYPE | A | B | C | D | E |
| 1812 | 11.74(298) | 0.87(22) | 0.68(17) | 1.70(44.0) | 10.0(254) |
| 2012 | 11.74(298) | 0.87(22) | 0.68(17) | 1.85(47.0) | 10.0(254) |
| 2812 | 11.74(298) | 0.87(22) | 0.68(17) | 2.8(71.1) | 10.0(254) |
| TYPE | Average desalination rate | GPDm3/d | Active membrane area |
| 1812-50 | 97.5 | 50(0.19) | 3.5(0.32) |
| 1812-75 | 97.5 | 75(0.28) | 4.0(0.37) |
| 1812-100 | 97.5 | 100(0.38) | 4.8(0.45) |
| 2012-125 | 96.0 | 125(0.47) | 5.3(0.49) |
| 2012-150 | 96.0 | 150(0.57) | 5.5(0.50) |
| 2812-200 | 96.0 | 200(0.76) | 9.6(0.90) |
| 2812-300 | 96.5 | 300(1.14) | 14.4(1.35) |
| Testingtemperature | Testing pressure | Testingconcentration | PH rate | Recovery rateof single membrane element |
| 25℃ | 60psi(0.41Mpa) | 250ppm | 7.5 | 15% |
| Membrane material | Max.operation temp | Maxpreration pressure | MaxSDI of feed water | Acceptancecapacity of free chlorine |
| Polyamide | 45℃ | 300psi(2.1Mpa) | 5 | <0.1ppm |
