Acid-Resistant High-Pressure Reverse Osmosis Membrane Products
Product Description
- Membrane material: aromatic polyamide composite membrane
- Membrane characteristics: acid resistance, high pressure resistance
- Outer wrapping type: fiberglass
- Flow channel type: Parallel flow channel 34 mil/46 mil, etc.
- Application scenarios: acid recovery from power plant wastewater, iron phosphate projects, separation, purification, and concentration of acid-containing materials, etc.
Product Features
- Superior Membrane Integrity: By integrating premium imported sheets with our proprietary modification technology, we have eliminated surface micro-defects. This optimizes the critical balance between permeate flux and desalination while significantly boosting acid durability.
- Broad Chemical Compatibility: Engineered for extreme environments, these membranes withstand phosphoric acid concentrations up to 15%, and hydrochloric or sulfuric acid up to 10%.
- Acid-Hardened Construction: Every structural component is specifically selected for its ability to maintain integrity under low pH conditions.
- Enhanced Throughput: Utilizing a multi-leaf, short-page welding technique, we maximize the effective surface area and significantly increase overall water production efficiency.
- Reinforced Sealing Technology: Our specialized adhesive seals prevent acid bypass at high pressures, ensuring the membrane element maintains superior retention performance over time.
Product Performance Parameters

Product Size Parameters
(1) Flat Head

|
Membrane element size |
A (±2.0mm) |
B (±0.1mm) |
C (±0.5mm) |
|
8040 |
1016 |
28.8 |
200 |
(2) Protruding End

|
Membrane element size |
A (±2.0mm) |
B (±0.1mm) |
C (±0.5mm) |
D (±0.1mm) |
|
2540 |
1016 |
30.2 |
19.1 |
61 |
|
4040 |
1016 |
26.7 |
19.1 |
100 |
About Us
In Integrated Solutions
Hangzhou Nanoimp Environmental Technology Co.,Ltd. established in 2019 and headquartered in Hangzhou, China, specializes in the research, manufacturing, and innovation of advanced separation membranes. The company is committed to providing integrated solutions for material separation and wastewater resource recovery.
Nanoimp has established independent subsidiaries, with the Foshan Branch specializing in the production of public water purification equipment and the Haining Branch focusing on manufacturing PTFE MBR products.





FAQ
Q: What makes Nanoimp's membranes more durable in acidic environments compared to standard RO membranes?
A: Unlike standard membranes that degrade in low pH, our products utilize imported membrane sheets treated with a proprietary patented modification. This process eliminates microscopic surface defects and employs an acid-hardened construction where every structural component-from the spacer to the adhesive seals-is specifically engineered to withstand harsh acidic conditions without losing structural integrity.
Q: Will high pressure cause acid leakage at the seals?
A: No. We use a reinforced sealing technology with specialized high-pressure adhesive seals. These are specifically formulated to prevent acid bypass and permeation at the sealing points, ensuring the overall retention performance remains stable even under intense industrial pressure.
Q: In which industries are these acid-resistant membranes typically used?
A: These membranes are ideal for specialized industrial processes, including:
Wastewater Resource Recovery: Extracting and recovering acid from power plant effluents.
Chemical Production: Iron phosphate projects and other battery material manufacturing.
Material Processing: Separation, purification, and concentration of various acid-containing industrial streams.
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