High Rejection BWRO Membrane HR

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Snowate

Hebei, China

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The primary use of BW RO membrane elements is the desalination of brackish water. They give industrial water treatment systems outstanding, reliable, and constant membrane performance. For industrial-grade water treatment applications, the element's low pressure operation offers a more affordable option. It can be used for almost zero discharge for the treatment of waste water from the oil and petrochemical industries as well as feed water for thermal power plant boilers because of its high rejection rate for dissolved salts that are challenging to remove, such as TOC, SiO2, etc.

Points out of BWRO Membrane:

The specific figure for each element's permeate flow may differ by up to 15%.

Guaranteed active membrane area within ±4%.

Stabilized salt rejection can usually be attained within 24-48 hours of continuous use, contingent on the properties of the feedwater and the operating environment.

BWRO Membrane Dimensions

Membrane Model	A inch (mm)	B inch (mm)	C inch (mm)	D inch (mm)
SM BW-8040-400HR	40 (1,016)	/	1.125 (29)	7.9 (201)
SM BW-8040-440HR	40 (1,016)	/	1.125 (29)	7.9 (201)
SM BW-4040-82HR	37.9 (963)	1.05 (26.7)	0.75 (19)	3.9 (99)

BWRO Membrane Specifications

Type	Active Area ft2 (m2)	Minimum Rejection Rate %	Stabilized Rejection Rate %	Flux gpd (m3/d)
SM BW-8040-400HR	400 (37.2)	99.4	99.7	11,400 (43)
SM BW-8040-440HR	440 (41)	99.4	99.7	12,560 (48)
SM BW-4040-82HR	82 (7.6)	99.30	99.50	2,250 (8.6)
Test Conditions: 1.55 MPa (225 psi) pressure, 25 °C (77 °F), 2,000 ppm NaCI, pH = 8, Recovery: 15%

                                                            Maximum Operating Pressure
                                                            41 bar (600 psi)
                                                        
                                                            PH Range Short-Term Cleaning
                                                            1-13
                                                        
                                                            Maximum Operating Temperature
                                                            45°C (113°F )
                                                        
                                                            Maximum Element Pressure Drop
                                                            1.0 bar (15 psi)
                                                        
                                                            PH Range Continuous Operation
                                                            2-11
                                                        
                                                            Maximum Feed SDI (SDI15)
                                                            5.0
                                                        
                                                            Free Chlorine Tolerance
                                                            < 0.1 ppm