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Biological nitrate removal processes from drinking water supply - a review

Lookup NU author(s): David Elliott

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Abstract

This paper reviews both heterotrophic and autotrophic processes for the removal of nitrate from water supplies. The most commonly used carbon sources in heterotrophic denitrification are methanol, ethanol and acetic acid. Process performance for each feed stock is compared with particular reference nitrate and nitrite residual and to toxicity potential. Autotrophic nitrate removal has the advantages of not requiring an organic carbon source; however the slow growth rate of autotrophic bacteria and low nitrate removal rate have contributed to the fact that relatively few full scale plants are in operation at the present time.


Publication metadata

Author(s): Mohseni-Bandpi A, Elliott DJ, Zazouli MA

Publication type: Review

Publication status: Published

Journal: Journal of Environmental Health Science and Engineering

Year: 2013

Volume: 11

Print publication date: 19/12/2013

ISSN (electronic): 2052-336X

Publisher: BIOMED CENTRAL LTD

URL: http://dx.doi.org/10.1186/2052-336X-11-35

DOI: 10.1186/2052-336X-11-35


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