PSI-Base Specialty Alkali Resistant Membrane Element
PSI MEMBRANE® PSI-Base Specialty Alkali Resistant Membrane incorporating innovative Thin Film Nanocomposite (TFN) alkali-resistant membrane sheets and unique alkali-resistant materials. They have anti-fouling, high flux, high pressure resistance, and good alkali resistance properties.They can achieve concentration of cellulose, hemicellulose, papermaking fibers, and other compounds in alkaline solutions of pH 12, and can also be used for alkali purification and recovery. They can maintain high flux and stable operation for more than 12 months in alkaline environments.
Product Parameter
|
Product |
Active Area ft²(m²) |
Feed Spacer Thickness(mil) |
Permeate Flow Rate GPD(m³/d) |
Stabilized Salt Rejection(%) |
| PSI-Base-NF98-8040 | 400 (37.2) |
34 |
13000 (49.2) |
98 |
1. Permeate flow rate and stabilized salt rejection were based on the following standard test conditions: 2000 ppm MgSO4, 580 psi (4.01 MPa), 77 ℉ (25 ℃), and 15% recovery.
2. The variation range of permeate flow rate is +/-15%.
Operating Condition
|
Operating Limits |
Unit |
Value |
|
Maximum operating pressure |
psi(MPa) |
1200(83) |
|
Maximum feed water temperature |
°F(°C) |
140(60) |
|
Maximum pressure drop |
bar |
1 |
|
Continuous operation pH range |
|
3-12 |
|
Cleaning pH range |
|
2-13 |
|
Maximum feed water SDl15 |
|
5 |
|
Maximum influent turbidity |
ntu |
1 |
|
Maximum residual chlorine concentration of influent |
ppm |
<0.1 |
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