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China Frotec RO Membrane 4040 8040 Manufacturer for Brackish Water
A.Description of ro membrane
Reverse osmosis referred RO, the principle is the raw water under high pressure through a reverse osmosis membrane, solvent water from high concentration to low concentration diffusion to achieve the separation, purification and enrichment purposes. Reverse osmosis can remove bacteria, viruses, colloids, organics and more than 98% of the soluble salts. This method has low running costs, simple operation, high degree of automation, water quality and stability characteristics
Specification and Parameters
| Product Model | Active Area ft²(m²) | Operating Preesure psi(MPa) | Permeate Flow GPD(m²/d) | Stable Rejection Rate (%) | Min Rejection Rate (%) |
8040 |
400(37.2) |
225(1.55) |
10500(39.7) |
99.5 |
99.0 |
4040 |
78(7.2) |
255(1.55) |
2600(9.8) |
99.5 |
99.0 |
Test Condition
Temperature of Testing Solution | 25 °C |
Concentration of Testing Solution (NaCl) | 2000ppm |
Operating Condition | 225psi (1.55MPa) |
PH Value of Testing Solution | 7.5-8 |
Recovery Rate of Single Membrane Element | 15% |
Extreme Operation Conditions
Max. Working Pressure | 600psi (4.14Mpa) |
Max. Feedwater Temperature | 45°C |
Max. Feedwater SDI | 5.0 |
Free Chlorine Concentration of Feedwater | 0.1mg/L |
PH Range of Feedwater during Continuous Operation | 3~10 |
PH Range of Feedwater during Chemical Cleaning | 2~12 |
Max. Pressure Drop of Single Membrane Element | 10psi (0.07Mpa) |
Product Picture
