Microbiological endogenous processes in biological wastewater treatment systems

Hao, Xiaodi, Wang, Qilin, Zhu, Jingyi and Van Loosdrecht, Mark C. M. (2010) Microbiological endogenous processes in biological wastewater treatment systems. Critical Reviews in Environmental Science and Technology, 40 3: 239-265. doi:10.1080/10643380802278901


Author Hao, Xiaodi
Wang, Qilin
Zhu, Jingyi
Van Loosdrecht, Mark C. M.
Title Microbiological endogenous processes in biological wastewater treatment systems
Journal name Critical Reviews in Environmental Science and Technology   Check publisher's open access policy
ISSN 1064-3389
1547-6537
Publication date 2010-01-01
Sub-type Article (original research)
DOI 10.1080/10643380802278901
Volume 40
Issue 3
Start page 239
End page 265
Total pages 27
Place of publication New York, NY, United States
Publisher Taylor & Francis
Language eng
Abstract Microbiological endogenous processes in biological wastewater treatment systems (BWTSs) refer to combinations of biological and ecological mechanisms and processes, including endogenous respiration/cell maintenance, cell decay, death-regeneration/cryptic growth, predation on bacteria by higher microorganisms, and cell lysis due to viral attack or adverse environmental conditions (pH, toxic substances, temperature and others), which have significant effects on almost all aspects of BWTSs. However, the current state of knowledge about endogenous processes is very limited. With this review article, the definition of endogenous processes is identified and summarized. Based on a review of the relevant literature, the endogenous processes in BWTSs are classified at two microbial levels, a cell level and a community level. At the cell level, each living microbial cell needs a certain amount of energy to satisfy cell maintenance; the community level reveals interactions between microorganisms and operating parameters. Processes such as uncoupling, programmed cell death (PCD), starvation, viral infection, and predation are reviewed, and state-of-the-art information about these processes is summarized. The development of determining maintenance energy and decay rate of bacteria in BWTSs is also outlined. Based on these reviews, further research aspects related to endogenous processes are proposed.
Keyword Biological wastewater treatment systems (BWTSs)
Cell maintenance
Decay
Endogenous processes
Predation
Starvation
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Non-UQ

Document type: Journal Article
Sub-type: Article (original research)
Collection: Advanced Water Management Centre Publications
 
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Created: Thu, 17 Dec 2015, 01:52:54 EST by Qilin Wang on behalf of Advanced Water Management Centre