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Title: Critical risk points of nanofiltration and reverse osmosis processes in water recycling applications
Authors: Nghiem, Long D.
Schäfer, Andrea
Issue Date: 2006
Citation: Nghiem, D.L. ; Schäfer, A.I. (2006) Critical risk points of nanofiltration and reverse osmosis processes in water recycling applications, Volume 187, Issues 1-3, 5 February 2006, Pages 303-312
Publisher: Elsevier
Abstract: NF/RO membrane filtration processes have been recognized as an important technology to facilitate water recycling. Those processes are well-proven technologies, which can be used to remove a wide range of contaminants including trace contaminants that are of particular concern in water recycling. However, risk implications in association with brine or concentrate and membrane cleaning wastewater disposal have to date not been adequately understood. This study examines the adsorption and release process of several endocrine-disrupting chemicals (EDCs) during NF/RO filtration processes. Results reported here indicate that the membrane can serve as a large reservoir for EDCs and their release may be possible during membrane cleaning or erratic pH variation during operation. Treatment of membrane cleaning solution should be carefully considered when EDCs are amongst the target contaminants in NF/RO membrane filtration.
Description: Presented at the International Conference on Integrated Concepts on Water Recycling, Wollongong, NSW Australia, 14–17 February 2005.
Keywords: Hormones
Endocrine-disrupting chemicals
Nanofiltration
Reverse osmosis
URI: http://dx.doi.org/10.1016/j.desal.2005.04.089
http://hdl.handle.net/1842/4119
Appears in Collections:Membrane Technology Research Group publications
Engineering publications

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