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Success of mainstream partial nitritation/anammox demands integration of engineering, microbiome and modeling insights

Agrawal, Shelesh and Seuntjens, Dries and Cocker, Pieter De and Lackner, Susanne and Vlaeminck, Siegfried E. (2018):
Success of mainstream partial nitritation/anammox demands integration of engineering, microbiome and modeling insights.
In: Current Opinion in Biotechnology, pp. 214-221, 50, ISSN 0958-1669,
[Online-Edition: http://www.sciencedirect.com/science/article/pii/S0958166917...],
[Article]

Abstract

Twenty years ago, mainstream partial nitritation/anammox (PN/A) was conceptually proposed as pivotal for a more sustainable treatment of municipal wastewater. Its economic potential spurred research, yet practice awaits a comprehensive recipe for microbial resource management. Implementing mainstream PN/A requires transferable and operable ways to steer microbial competition as to meet discharge requirements on a year-round basis at satisfactory conversion rates. In essence, the competition for nitrogen, organic carbon and oxygen is grouped into ‘ON/OFF’ (suppression/promotion) and ‘IN/OUT’ (wash-out/retention and seeding) strategies, selecting for desirable conversions and microbes. Some insights need mechanistic understanding, while empirical observations suffice elsewhere. The provided methodological R&D framework integrates insights in engineering, microbiome and modeling. Such synergism should catalyze the implementation of energy-positive sewage treatment.

Item Type: Article
Erschienen: 2018
Creators: Agrawal, Shelesh and Seuntjens, Dries and Cocker, Pieter De and Lackner, Susanne and Vlaeminck, Siegfried E.
Title: Success of mainstream partial nitritation/anammox demands integration of engineering, microbiome and modeling insights
Language: English
Abstract:

Twenty years ago, mainstream partial nitritation/anammox (PN/A) was conceptually proposed as pivotal for a more sustainable treatment of municipal wastewater. Its economic potential spurred research, yet practice awaits a comprehensive recipe for microbial resource management. Implementing mainstream PN/A requires transferable and operable ways to steer microbial competition as to meet discharge requirements on a year-round basis at satisfactory conversion rates. In essence, the competition for nitrogen, organic carbon and oxygen is grouped into ‘ON/OFF’ (suppression/promotion) and ‘IN/OUT’ (wash-out/retention and seeding) strategies, selecting for desirable conversions and microbes. Some insights need mechanistic understanding, while empirical observations suffice elsewhere. The provided methodological R&D framework integrates insights in engineering, microbiome and modeling. Such synergism should catalyze the implementation of energy-positive sewage treatment.

Journal or Publication Title: Current Opinion in Biotechnology
Volume: 50
Divisions: 13 Department of Civil and Environmental Engineering Sciences
13 Department of Civil and Environmental Engineering Sciences > Institute IWAR
13 Department of Civil and Environmental Engineering Sciences > Institute IWAR > Wastewater Engineering
Date Deposited: 08 Jan 2019 16:42
Official URL: http://www.sciencedirect.com/science/article/pii/S0958166917...
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