Removal of dissolved organics from produced water by forward osmosis

Abousnina, Rajab M. and Nghiem, Long D. (2014) Removal of dissolved organics from produced water by forward osmosis. Desalination and Water Treatment, 52 (4-6). pp. 570-579. ISSN 1944-3994

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Abstract

This study investigated the performance of the forward osmosis (FO) process for treating produced water. Water permeate flux and reverse salt flux (RSF) were examined at different feed pH values and operating configurations (i.e. FO, pressure retarded osmosis (PRO), and reverse osmosis (RO) modes). Acetic acid was selected as a model organic acid to present the dissolved organic fraction in produced water. Results reported here indicate that only membranes specifically designed for FO applications can be used in the FO and PRO modes. Due to the internal concentration polarization phenomenon, the PRO mode resulted in a higher water permeate flux and RSF than those in the FO mode. Acetate rejection was pH dependent in both the FO and RO
modes. Furthermore, in the RO mode, acetate rejections by the FO membranes were higher than their nanofiltration counterparts. Results reported here suggest that FO can be a viable treatment option for the removal of dissolved organics from produced water.


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Item Type: Article (Commonwealth Reporting Category C)
Refereed: Yes
Item Status: Live Archive
Additional Information: Accepted: 18 Mar 2013; First Published online: 07 Aug 2013
Faculty / Department / School: Current - Faculty of Health, Engineering and Sciences - School of Civil Engineering and Surveying
Date Deposited: 23 Apr 2014 23:24
Last Modified: 31 Mar 2015 05:53
Uncontrolled Keywords: produced water;fForward osmosis; oily wastewater; acetic acid; dissolved organics
Fields of Research : 09 Engineering > 0907 Environmental Engineering > 090703 Environmental Technologies
Socio-Economic Objective: D Environment > 96 Environment > 9609 Land and Water Management > 960999 Land and Water Management of Environments not elsewhere classified
Identification Number or DOI: 10.1080/19443994.2013.827292
URI: http://eprints.usq.edu.au/id/eprint/24997

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