Pro-Acid Specialty Acid Resistant Membrane Element
PSI MEMBRANE® Pro-Acid specialty Acid Resistant Membrane incorporating innovative Thin Film Nanocomposite (TFN) acid-resistant membrane sheets and unique acid-resistant materials. They have anti-fouling, high flux, high pressure resistance, and extreme acid resistance properties. They can achieve metal concentration in acidic solutions such as sulfuric acid below 20% and phosphoric acid below 30%, and can also be used for acid purification and recovery. They are suitable for removing large molecular impurities in acid solutions and can maintain high flux and stable operation for more than 12 months in strong acid environments.
Product Parameters
|
Product |
Active Area ft²(m²) |
Feed spacer thickness |
Permeate Flow Rate GPD(m³/d) |
Stabilized Salt Rejection(%) |
|
Pro-Acid-NF98-8040 |
400(37.2) |
34 |
12000(45.4) |
98 |
|
Pro-Acid-NF96-8040 |
400(37.2) |
34 |
18000(68.1) |
96 |
|
Pro-Acid-NF92-8040 |
400(37.2) |
34 |
22000(83.2) |
92 |
|
Pro-Acid-NF80-8040 |
400(37.2) |
34 |
24000(90.8) |
80 |
|
Pro-Acid-NF35-8040 |
400(37.2) |
34 |
36000(139.5) |
35 |
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) |
122(50) |
|
Maximum pressure drop |
bar |
1 |
|
Continuous operation pH range |
|
0-12 |
|
Cleaning pH range |
|
0-13 |
|
Maximum feed water SDI15 |
|
5 |
|
Maximum influent turbidity |
ntu |
1 |
|
Maximum residual chlorine concentration of influent |
ppm |
<0.1 |
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