| No. | Membrane type | Membrane Model | Stable Rejection Rate(%) | Permeate Flow (L/m².h) |
Concentration of testing Solution (ppm) |
Operating Pressure psi(MPa) |
| 1 | Potable RO |
BKRO TW-HR | 98.0 | ≥35 | NaCl:450 | 65(0.45) |
| 2 | BKRO TW-HR-2 | 98.5 | ≥27 | |||
| 3 | BKRO TW-HF | 97.0 | ≥40 | |||
| 4 | BKRO TW-HF-2 | 95.0 | ≥50 | |||
| 5 | Industrial RO |
BKRO ULP | 99.2 | ≥55 | NaCl:1500 | 150(1.03) |
| 6 | BKRO ULP-HR | 99.4 | ≥48 | |||
| 7 | BKRO BW | 99.4 | ≥52 | NaCl:2000 | 225(1.55) | |
| 8 | BKRO BW-FR | 99.6 | ≥48 | |||
| 9 | NF | BKRO NF30 | 97.0(MgSO4) ≤30(NaCl) |
≥50(MgSO4) ≥60(NaCl) |
MgSO4:2000 NaCl:500 |
100(0.69) |
| 10 | BKRO NF90 | 98.0(MgSO4) 85-95(NaCl) |
≥55(MgSO4) ≥65(NaCl) |
MgSO4:2000 NaCl:500 | 100(0.69) | |
| Note:the temperature of Testing solution is 25±2℃,pH=7-8,cross-flow rate is 0.45-0.50m/s. | ||||||
