Thursday, March 27, 2014

Membrane concentrate management options: a comprehensive critical review

CATEGORY: MEMBRANES
Journal of Environmental Engineering and Science, Volume 8, Issue 3, 01 November 2013 , pages 326 –339
Membrane concentrate management options: a comprehensive critical review
Pamela Chelme-Ayala; Daniel W. Smith; Mohamed Gamal El-Din
Department of Civil and Environmental Engineering, University of Alberta, Edmonton, AB T6G 2W2, Canada
Abstract
Because of the high quality of the product water, membrane processes have become a competitive option to conventional treatment technologies. Nanofiltration and reverse osmosis, in particular, have been found to remove materials like natural organic matter, disinfection by-products, and endocrine-disrupting compounds.
A major drawback for the adoption of pressure-driven membrane processes is the need for additional treatment of the concentrate stream. Few studies dealing with membrane concentrate treatment have been published. Most of the studies which have been published focus on the disposal of concentrate into receiving water bodies and sewer systems. Authors review the characteristics of membrane concentrate in terms of water quality and their impact on receiving water bodies are discussed.
They also explore a variety of approaches to the removal of pollutants and disposal options for membrane concentrates.
Full Text Source (Subscription or Fee): http://www.icevirtuallibrary.com/content/article/10.1680/jees.2013.0033

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