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Water 2012, 4(2), 283-294; doi:10.3390/w4020283

The Ability of a Nanofiltration Membrane to Remove Hardness and Ions from Diluted Seawater

1
Department of Chemical Engineering, Engineering Faculty, Persian Gulf University, Bushehr 7516913798, Iran
2
ParsianFarAb Co., Motahheri Building, P.O. Box 7514944968, Bushehr 7514944968, Iran
*
Author to whom correspondence should be addressed.
Received: 19 January 2012 / Revised: 1 March 2012 / Accepted: 1 March 2012 / Published: 23 March 2012
(This article belongs to the Special Issue Advances in Water Desalination)
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Abstract

In this work, the ability of a commercial spiral-wound nanofiltration membrane to remove hardness and ions from diluted seawater was studied. Experiments were carried out in the pressure range of 4–10 bar. Analyses of the samples, and permeates at different pressures, were performed and the effects of the trans-membrane pressure on the permeate flux were investigated. The results show that this nanofiltration membrane is capable of retaining 96–98% of the total hardness, 79–89% of the electrical conductivity and 79–89% of the total dissolved solid (TDS). Our results are in good agreement with those reported by the manufacturing company.
Keywords: nanofiltration; hardness; potable water; membrane; seawater nanofiltration; hardness; potable water; membrane; seawater
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Izadpanah, A.A.; Javidnia, A. The Ability of a Nanofiltration Membrane to Remove Hardness and Ions from Diluted Seawater. Water 2012, 4, 283-294.

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