Beverage Decolorization Sanitary Reverse Osmosis Element
Product Description
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Outer winding type: Sanitary cage
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Flow channel type: Parallel flow channel (32mil/34mil, other flow channel sizes are customizable)
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Application scenarios: Material separation, purification, decolorization, desalination, concentration and other related processes
Product Features
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Leverages premium imported membrane substrates paired with exclusive in-house modification patents to erase micro-level surface imperfections, which optimizes fouling mitigation, elevates water permeability, and maintains a well-calibrated balance between flux and salt rejection.
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The parallel feed channel design outperforms traditional diamond spacers in anti-clogging capability, full accessibility during CIP (Clean-in-Place) procedures, and consistent performance restoration post-cleaning cycles.
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The outer mesh thermal fusion construction delivers a fully crevice-free structural design, effectively cutting down stagnant flow zones inside the element.
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The optimized multi-leaf/short-leaf welding process maximizes the usable active membrane area, removes all trapped internal dead spots, and significantly raises the overall permeate output efficiency.
performance parameters
|
model |
ROA-8040/34SU |
ROB-8040/34SU |
| Salt Rejection Rate |
99.3% |
99.8% |
|
Diaphragm Material |
aromatic polyamide |
|
|
Membrane area (ft2/m2) |
365(34)±3% |
|
|
Flux (LMH) |
5-15 |
|
| Temperature Resistance (°C) |
≤45 |
|
| Working Pressure (bar) |
≤50 |
|
|
Single diaphragm pressure differential (psi/bar) |
6-10(0.4-0.7) |
|
| Permissible Operating pH Range |
2-10 |
|
|
Clean pH |
1-13 |
|
| Rinse Pressure (psi/bar) |
75-100/5.2-6.9 |
|
|
Residual chlorine tolerance (ppm) |
≤0.1 |
|
|
Maximum inflow SDI |
≤5 |
|
|
Customizable size |
1812/3838/4038/4040/8038/8040 |
|
Product size parameter



|
Membrane element size |
A (±2.0mm) |
B (±0.5mm) |
C (±0.1mm) |
|
1812 |
305 |
15.7 (inner diameter) |
45 |
|
3838 |
965 |
21.0 |
97 |
|
4038 |
965 |
12.5 |
100 |
|
4040 |
1016 |
19.0 |
100 |
|
8038 |
965 |
28.8 (inner diameter) |
200 |
|
8040 |
1016 |
28.8 (inner diameter) |
200 |
About Us
In Integrated Solutions
Hangzhou Nanoimp Environmental Technology Co., Ltd. (founded in Hangzhou, 2019) is a technology enterprise specializing in R&D and manufacturing of advanced separation membranes and integrated wastewater resource recovery solutions, with two specialized subsidiaries in Foshan and Haining.
Sanitary Spiral RO Membrane - Hangzhou Nanoimp's sanitary-grade RO element, designed for contamination-sensitive applications like food & beverage processing.





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