Study on the Desalination Process of Hardness-Removed Seawater with Reverse Osmosis

Jian Gao Cheng; Jing Huan Ma; Zhi Wen Lin; Ying Liu

doi:10.4028/www.scientific.net/AMR.781-784.2870

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 781-784Study on the Desalination Process of...

Study on the Desalination Process of Hardness-Removed Seawater with Reverse Osmosis

Abstract:

The influences of the pressure, temperature and pH on the property of reverse osmosis membrane Dow SW30 were investigated in self-designed equipment unit with hardness-removed seawater as raw material. The optimal process parameters were pre-compression pressure 3.5 MPa, operation pressure 3 MPa, the temperature of feed seawater 25-30°C, pH value 7-8 and feed flow rate 60 L/h. Under these conditions, the flux of reverse osmosis membrane SW30 kept stable for long-term operation, and its salt rejection rate was above 99.4%.

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Periodical:

Advanced Materials Research (Volumes 781-784)

Pages:

2870-2875

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.781-784.2870

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Online since:

September 2013

Authors:

Jian Gao Cheng*, Jing Huan Ma, Zhi Wen Lin, Ying Liu

Keywords:

Hardness-Removed Seawater, Membrane Flux, Reverse Osmosis, Salt Rejection Rate

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