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The effects of extracellular polymeric substances on the formation and stability of biogranules

The effects of extracellular polymeric substances on the formation and stability of biogranules
The effects of extracellular polymeric substances on the formation and stability of biogranules
Biogranulation is a promising biotechnology developed for wastewater treatment. Biogranules exhibit a matrix microbial structure, and intensive research has shown that extracellular polymeric substances (EPS) are a major component of the biogranule matrix material in both anaerobic and aerobic granules. This paper aims to review the role of EPS in biogranulation, factors influencing EPS production, the effect of EPS on cell surface properties of biogranules, and the relationship of EPS to the structural stability of biogranules. EPS production is substantially enhanced when the microbial community is subject to stressful culture conditions, and the stimulated EPS production in the microbial matrix in turn favours the formation of anaerobic and aerobic granules. EPS can also play an essential role in maintaining the integrity and stability of spatial structure in mature biogranules. It is expected that this paper can provide deep insights into the functions of EPS in the biogranulation process.
0175-7598
143-148
Liu, Yong-Qiang
75adc6f8-aa83-484e-9e87-6c8442e344fa
Liu, Yu
7aa0a5b8-dca4-4f81-b6c9-7332b1beb25c
Tay, Joo-Hwa
1bd3ce87-355e-460f-835b-56cb81f3a1b0
Liu, Yong-Qiang
75adc6f8-aa83-484e-9e87-6c8442e344fa
Liu, Yu
7aa0a5b8-dca4-4f81-b6c9-7332b1beb25c
Tay, Joo-Hwa
1bd3ce87-355e-460f-835b-56cb81f3a1b0

Liu, Yong-Qiang, Liu, Yu and Tay, Joo-Hwa (2004) The effects of extracellular polymeric substances on the formation and stability of biogranules. Applied Microbiology and Biotechnology, 65 (2), 143-148. (doi:10.1007/s00253-004-1657-8).

Record type: Article

Abstract

Biogranulation is a promising biotechnology developed for wastewater treatment. Biogranules exhibit a matrix microbial structure, and intensive research has shown that extracellular polymeric substances (EPS) are a major component of the biogranule matrix material in both anaerobic and aerobic granules. This paper aims to review the role of EPS in biogranulation, factors influencing EPS production, the effect of EPS on cell surface properties of biogranules, and the relationship of EPS to the structural stability of biogranules. EPS production is substantially enhanced when the microbial community is subject to stressful culture conditions, and the stimulated EPS production in the microbial matrix in turn favours the formation of anaerobic and aerobic granules. EPS can also play an essential role in maintaining the integrity and stability of spatial structure in mature biogranules. It is expected that this paper can provide deep insights into the functions of EPS in the biogranulation process.

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More information

Published date: August 2004
Organisations: Water & Environmental Engineering Group

Identifiers

Local EPrints ID: 352839
URI: http://eprints.soton.ac.uk/id/eprint/352839
ISSN: 0175-7598
PURE UUID: 618dcbf0-2afb-45b3-89cc-9075aa135dc0
ORCID for Yong-Qiang Liu: ORCID iD orcid.org/0000-0001-9688-1786

Catalogue record

Date deposited: 17 Jun 2013 14:31
Last modified: 15 Mar 2024 03:47

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Contributors

Author: Yong-Qiang Liu ORCID iD
Author: Yu Liu
Author: Joo-Hwa Tay

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