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Desalination and Water Treatment Volume 53, 2015 - Issue 10
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Articles

A brief review on possible approaches towards controlling sulfate-reducing bacteria (SRB) in wastewater treatment systems

Ze-hua LiuCollege of Environment and Energy, South China University of Technology, Guangzhou510006, China, Tel. +86 20 39380507;Advanced Environmental Biotechnology Centre, Nanyang Environment and Water Research Institute, Nanyang Technological University, CleanTech One, Singapore637141, Singapore, Tel. +65 6513 7363 (A.M. Maszenan), +65 6790 4104 (Y. Liu), +65 6790 6813 (W.J. Ng)Correspondence[email protected]
,
Abdul Majid MaszenanAdvanced Environmental Biotechnology Centre, Nanyang Environment and Water Research Institute, Nanyang Technological University, CleanTech One, Singapore637141, Singapore, Tel. +65 6513 7363 (A.M. Maszenan), +65 6790 4104 (Y. Liu), +65 6790 6813 (W.J. Ng)Correspondence[email protected]
,
Yu LiuAdvanced Environmental Biotechnology Centre, Nanyang Environment and Water Research Institute, Nanyang Technological University, CleanTech One, Singapore637141, Singapore, Tel. +65 6513 7363 (A.M. Maszenan), +65 6790 4104 (Y. Liu), +65 6790 6813 (W.J. Ng);School of Civil and Environmental Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore639798, SingaporeCorrespondence[email protected]
&
Wun Jern NgAdvanced Environmental Biotechnology Centre, Nanyang Environment and Water Research Institute, Nanyang Technological University, CleanTech One, Singapore637141, Singapore, Tel. +65 6513 7363 (A.M. Maszenan), +65 6790 4104 (Y. Liu), +65 6790 6813 (W.J. Ng);School of Civil and Environmental Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore639798, SingaporeCorrespondence[email protected]
Pages 2799-2807 | Received 16 Jul 2013, Accepted 16 Jun 2014, Published online: 12 Aug 2014
 
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Abstract

Anaerobic processes in wastewater treatment and excess sludge digestion are desirable as these offer the prospect of energy recovery via the methane gas generated. However, hydrogen sulfide (H2S) generated from reduction of sulfate by sulfate reducing bacteria (SRB) during the process, is inhibitory to the methane producing bacteria (MPB). The SRBs and MPBs also compete for utilization of a key substrate in methanogenesis, volatile fatty acids. For development of effective methods to mitigate the adverse impact of SRBs on methanogenesis, it is important there is better understanding of the SRBs and this can begin with knowing which species are likely to be present in wastewater treatment. With this objective in mind, species of SRBs isolated from wastewater treatment systems reported in the literature have been summarized in this paper and discussed.

Notes

Presented at 2013 International Environmental Engineering Conference and Annual Meeting of the Korean Society of Environmental Engineers (IEEC 2013) Seoul, Korea, June 11–13, 2013

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