Spacer‑Tube Reverse Osmosis
Brand Name: NANOIMP
OEM/ODM: Accept
Manufacturer: Yes
Delivery Time: 3-15 days
Shipping Support: Express / Sea/ Land
Place of Origin: Hangzhou, China
E-mail: lena.hu@nano-sepmer.com
Main Models: CPST-75 | CPST-90 | CPST-120 | CPST-160
Product Performance Parameters
|
model |
CPST-75 | CPST-90 | CPST-120 | CPST-160 |
|
Max operating pressure (bar) |
75 |
90 | 120 |
160 |
|
Test pressure (bar) |
50±1 |
65±1 | 80±1 |
95±1 |
| Salt rejection (%) | 98.5% | 98.5% | 90%～97% | 90%～97% |
|
Test flow |
800 L/H |
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|
Circulation flow |
2500±100 L/H |
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|
Max operating temperature |
40 °C |
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|
Transmembrane pressure |
0.2-0.8 bar |
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|
Cleaning pH range |
2-12 |
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|
Continuous operation pH range |
6-9 |
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|
Feed flow rate (L/element) |
2500 |
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Product size parameters
(1) CPST-75 and CPST-90 Membrane Columns
|
Model |
CPST-75 | CPST-90 |
|
Total component length (mm) |
1405 |
1405 |
| Total tie rod length A (mm) | 1350 | 1350 |
|
Housing length B (mm) |
1200 |
1200 |
|
Membrane module diameter C (mm) |
219 |
219 |
|
Feed/Concentrate port (mm) |
Copy Link Interface Φ33.7 |
Copy Link Interface Φ33.7 |
|
Water outlet (mm) |
Quick-connect hose fitting Φ11.6×9 |
Quick-connect hose fitting Φ11.6×9 |
|
Membrane area (m2/element) |
27.2 |
27.2 |
  |
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(2) CPST-120 and CPST-160 Membrane Columns
|
Model |
CPST-120 | CPST-160 |
|
Total component length (mm) |
1405 |
1405 |
| Total tie rod length A (mm) | 1350 | 1350 |
|
Housing length B (mm) |
1200 |
1200 |
|
Membrane module diameter C (mm) |
240 |
240 |
|
Feed/Concentrate port (mm) |
Copy Link Interface Φ33.7 |
Copy Link Interface Φ33.7 |
|
Water outlet (mm) |
Quick-connect hose fitting Φ11.6×9 |
Quick-connect hose fitting Φ11.6×9 |
|
Membrane area (m2/element) |
27.2 |
27.2 |
  |
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(3) STRO Membrane Element
| Name | Value | Description |
| Total Membrane Element Length (mm) | 1070±2 | Overall length including end caps |
| Both Ends Connector Length (mm) | 26±1 | For sealed connection to the system |
| Outer Diameter of Central Permeate Tube (mm) | 60.1±0.1 | - |
| Membrane Element Outer Diameter (mm) | 199±0.5 | - |
|
|
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Application Scenarios
- Landfill leachate, incineration plant leachate & flue gas washing wastewater;
- steel coking & power plant FGD wastewater;
- high-salty mother liquor from coal chemical, fine chemical and API production;
- oilfield flowback water, electroplating, mining and textile wastewater;
- secondary concentration of spiral RO/NF concentrate and industrial wastewater zero discharge projects.
Related Knowledge
Judgement of Membrane Fouling
How to judge membrane fouling, here are several key parameters:
(1) The most critical indicator is the difference in membrane flux (units such as LMH or LPM) under identical operating conditions (same pressure, temperature and recirculation flow rate). Generally, the membrane is considered fouled once the flux of the used membrane drops below 85% of that of the new membrane.
(2) Membrane fouling usually causes changes in membrane rejection performance, and such changes can be either increased or decreased.
(3) Under identical operating conditions, the pressure difference across the membrane module will rise after fouling, which means the transmembrane resistance increases.
Warranty Period
The company warrants the performance of membrane elements for three 3 years. The three-year warranty period shall commence on the earliest of the following dates:
- The date when the reverse osmosis system is put into operation;
- Six 6 months from the date the membrane elements are shipped from the manufacturing site;
- Three 3 months after the membrane elements are shipped from Guangzhou / Shanghai, China to Taiwan of China, Japan, South Korea, Thailand, India, Malaysia, the United States and other designated locations in China.
Repair or Replacement
The Buyer shall not unilaterally repair any membrane element outside the scope of warranty. The Buyer shall fully agree that defective membrane elements shall be repaired by our Company, or replaced with identical membrane elements at our Company's current selling price at our Company's discretion.
Our Company reserves the right to retest suspected defective membrane elements or reverse osmosis systems based on the conditions stated by the user or Buyer, or require the Buyer to conduct such inspections or tests and submit the results to the Seller. Where the performance degradation of membrane elements falls outside the aforementioned warranty coverage, freight must be prepaid for membrane elements shipped to our Company for warranty inspection. Membrane elements eligible only for partial warranty shall be returned to the Buyer, and the Buyer shall bear the freight for collection of the returned goods.
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