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Role of experimental support as an essential component of sustainable design of the activated sludge process for nitrogen removal

Role of experimental support as an essential component of sustainable design of the activated... INTRODUCTIONDomestic sewage requires biological treatment for the effective removal of organic matter and nutrients to meet stringent effluent limitations. The activated sludge process offers a few of the most appropriate configurations for this purpose. This process has evolved through a series of astonishing achievements ever since its accidental discovery more than a century ago;1 since then, it has been developed to a stage where a mixed microbial suspended culture can be tailored to sustain several groups of heterotrophs and autotrophs, all performing different metabolic tasks, such as organic carbon removal, nitrification, denitrification, and enhanced biological phosphorus removal, among others.2,3 The process is still open to further progress, considering the never‐ending quest for scientific support.4This new discovery in treatment was immediately put into practice by the technical people and activated sludge plants were built without the slightest understanding of the nature and mechanisms of the process. Satisfactory performance was largely due to the ingenuity and common sense of the technical people; their empirical experience soon became inadequate and this triggered efforts to establish a scientific basis for the process in terms of microbial kinetics and mass balance. The need for experimental support during the initial phase was minimal and limited http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Chemical Technology & Biotechnology Wiley

Role of experimental support as an essential component of sustainable design of the activated sludge process for nitrogen removal

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References (59)

Publisher
Wiley
Copyright
Copyright © 2022 Society of Chemical Industry
ISSN
0268-2575
eISSN
1097-4660
DOI
10.1002/jctb.7103
Publisher site
See Article on Publisher Site

Abstract

INTRODUCTIONDomestic sewage requires biological treatment for the effective removal of organic matter and nutrients to meet stringent effluent limitations. The activated sludge process offers a few of the most appropriate configurations for this purpose. This process has evolved through a series of astonishing achievements ever since its accidental discovery more than a century ago;1 since then, it has been developed to a stage where a mixed microbial suspended culture can be tailored to sustain several groups of heterotrophs and autotrophs, all performing different metabolic tasks, such as organic carbon removal, nitrification, denitrification, and enhanced biological phosphorus removal, among others.2,3 The process is still open to further progress, considering the never‐ending quest for scientific support.4This new discovery in treatment was immediately put into practice by the technical people and activated sludge plants were built without the slightest understanding of the nature and mechanisms of the process. Satisfactory performance was largely due to the ingenuity and common sense of the technical people; their empirical experience soon became inadequate and this triggered efforts to establish a scientific basis for the process in terms of microbial kinetics and mass balance. The need for experimental support during the initial phase was minimal and limited

Journal

Journal of Chemical Technology & Biotechnology – Wiley

Published: Aug 1, 2022

Keywords: experimental support; activated sludge; biological nitrogen removal; process stoichiometry; system design

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