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Sustainable nitrogen elimination biotechnologies: A review

Paper ID Volume ID Publish Year Pages File Format Full-Text
36190 45124 2006 13 PDF Available
Title
Sustainable nitrogen elimination biotechnologies: A review
Abstract

Recently, several novel and cost-effective biological nitrogen elimination processes have been developed, including partial nitritation, nitrifier denitrification, anaerobic ammonium oxidation (Anammox), and its combined system (completely autotrophic nitrogen removal over nitrite, Canon). This paper deals with a review of novel biological nitrogen elimination technologies under anaerobic or oxygen limited conditions. The conventional nitrogen removal process (nitrification and denitrification), aerobic denitrification and other lithoautotrophic denitrification are also discussed briefly. The target of the novel process is the biological removal of nitrogen compounds from concentrated waste streams such as anaerobic digestion sludge liquor, etc. The review addresses the specifics of process, microbial diversity, performance characteristics and the future challenges for application.

Keywords
Anammox; Canon; Denitrification; Hydroxylamine; Hydrazine; Lithoautotrophic; Nitrification; Nitrogen cycle; Wastewater treatment
First Page Preview
Sustainable nitrogen elimination biotechnologies: A review
Publisher
Database: Elsevier - ScienceDirect
Journal: Process Biochemistry - Volume 41, Issue 8, August 2006, Pages 1709–1721
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering