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Analysis of Organic Nitrogen Removal in Municipal Wastewater by Reverse Osmosis

Authors: Merlo, Rion; Wong, Joe; Occiano, Victor; Sandera, Kyle; Pai, Anil; Sen, Seval; Jimenez, Jose; Parker, Denny; Burcham, John

Source: Water Environment Research, Volume 84, Number 7, July 2012 , pp. 588-595(8)

Publisher: Water Environment Federation

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The results of a pilot study that was conducted to determine the total nitrogen removal by the reverse osmosis process are presented. The organic nitrogen removal rates are compared with removals observed from three full-scale reverse osmosis facilities and four pilot studies. The results of this analysis suggest that organic nitrogen removal is variable and that reverse osmosis may not consistently produce total nitrogen levels less than 1.0 mg/L without additional treatment. Three hypotheses to explain the variability in organic nitrogen removal in the different data sets are presented.

Keywords: biological nutrient removal; organic nitrogen; reverse osmosis

Document Type: Research Article


Publication date: July 1, 2012

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  • Water Environment Research® (WER®) publishes peer-reviewed research papers, research notes, state-of-the-art and critical reviews on original, fundamental and applied research in all scientific and technical areas related to water quality, pollution control, and management. An annual Literature Review provides a review of published books and articles on water quality topics from the previous year.

    Published as: Sewage Works Journal, 1928 - 1949; Sewage and Industrial Wastes, 1950 - 1959; Journal Water Pollution Control Federation, 1959 - Oct 1989; Research Journal Water Pollution Control Federation, Nov 1989 - 1991; Water Environment Research, 1992 - present.
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