High Pressure Brine Separation Membrane

- Ultra-high pressure resistance: It can withstand ultra-high operating pressure and maintain stable separation performance under high-pressure working conditions.
- Excellent salt rejection: Delivers outstanding salt rejection for high-fold concentration processes.
- Wide pH adaptability: Stable operation amid complex feed water quality.
- Multiple model options: Various models available to meet diverse concentration project requirements.

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High Pressure Brine Separation Membrane

Performance Data

Model	CPRO-50	CPRO-90	CPRO-120
Membrane Area(ft²/m²)	376(35)±3%	365(34)±3%	345(32)±3%
Design Flux (GPD/m³/d)	10500(40)±15%	9500(36)±15%	12000(45)±15%
Salt Rejection (%)	99.5% (min. 99.0%)	99.5% (min. 99.0%)	90%～95%
Operating Pressure(bar)	10-50	40-80	60-100

Product size parameter

Membrane element size	A (±2.0mm)	B (±0.1mm)	C (±0.5mm)	D (±0.1mm)
2540	1016	30.1	19.1	61
4040	1016	26.7	19.1	100

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Application Scenarios

Brine volume reduction: Separate salt from concentrated brine streams to cut the volume sent to final disposal.
Electroplating rinse recovery: Enrich metal-bearing rinse water for heavy metal recovery, with clean permeate reused on site.
Coal chemical wastewater: Reduce high-salinity process effluent before evaporation and crystallization.
Power plant wastewater: Lower the volume of desulfurization and boiler blowdown water for cheaper disposal.

Related Knowledge

Operating Precautions for Membrane Modules

During startup, shutdown, cleaning and other operations, sudden changes in pressure or crossflow velocity to spiral wound elements shall be avoided to prevent potential membrane damage. For startup, we recommend the following procedure to bring the system gradually from standstill into operation:

The feed water pressure shall be increased gradually within 30~60 seconds;
The designed crossflow velocity shall be reached gradually within 15~20 seconds;
Permeate produced in the first hour shall be discarded;
Once the membrane element is wetted, it shall be kept wet at all times;
The user shall be liable for damage to elements caused by incompatible chemicals and lubricants;
The maximum allowable pressure drop for a single pressure vessel is 50 psi (3.4 bar);
Backpressure on the permeate side must be avoided at all times.

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.

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