Biological nitrogen and phosphorus removal - processes of amazing diversity and complexity.

Keller, J. and Zeng, R. J. (2004). Biological nitrogen and phosphorus removal - processes of amazing diversity and complexity.. In: W. Verstraete, Environmental Biotechnology - ESEB 2004. Europen Symposium on Environmental Biotechnology, Oostende, Belgium, (9-14). 25-28 April 2004.


Author Keller, J.
Zeng, R. J.
Title of paper Biological nitrogen and phosphorus removal - processes of amazing diversity and complexity.
Conference name Europen Symposium on Environmental Biotechnology
Conference location Oostende, Belgium
Conference dates 25-28 April 2004
Proceedings title Environmental Biotechnology - ESEB 2004
Journal name European Symposium On Environmental Biotechnology, Eseb 2004
Place of Publication London
Publisher AA Balkema Publishers
Publication Year 2004
Year available 2004
Sub-type Fully published paper
Open Access Status Not yet assessed
ISBN 905809653X
Editor W. Verstraete
Volume 1
Issue 1
Start page 9
End page 14
Total pages 6
Language eng
Abstract/Summary Nitrogen and phosphorus removal from wastewater is now considered an essential element of the protection of our waterways. Biological nutrient removal processes are generally the most efficient and cost-effective solution to achieve this. While the principles of these processes are well known, intriguing and valuable details are being discovered with the recent advances in bio-process engineering and microbial sciences. Phosphorus accumulating organisms have only been identified in recent years, and there are now competing glycogen accumulating organisms being found in biological phosphorus removal systems. These can possibly explain the reasons for the variable phosphorus removal performance of certain systems, and can help in the development of more stable and higher performing processes. Detailed investigations of the traditional nitrification-denitrification systems, but also of novel developments for nitrogen removal, reveal a more complex and diverse range of processes involved in these transformations. Increasingly, linked phosphorus and nitrogen removal processes are being developed, creating further opportunities to optimise the technologies. However, this might also bring certain risks such as the potential to produce the greenhouse-gas nitrous oxide (N2O) rather than nitrogen gas as the final denitrification product. A range of recent developments in these areas is covered in this paper.
Subjects E1
279999 Biological Sciences not elsewhere classified
779999 Other
Keyword Biotechnology & Applied Microbiology
Engineering, Environmental
Environmental Sciences
Microbiology
Biotechnology & Applied Microbiology
Engineering
Environmental Sciences & Ecology
Microbiology
Q-Index Code E1
Institutional Status UQ

 
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Created: Fri, 24 Aug 2007, 05:41:06 EST