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Frontiers of Environmental Science & Engineering >> 2018, Volume 12, Issue 6 doi: 10.1007/s11783-018-1050-y

Roles of acid-producing bacteria in anaerobic digestion of waste activated sludge

1. College of Environmental Science and Engineering, Hunan University and Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha 410082, China
2. Zhejiang Provincial Key Laboratory of Solid Waste Treatment and Recycling, College of Environmental Science and Engineering, Zhejiang Gongshang University, Hangzhou 310018, China

Available online: 2018-08-19

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Abstract

Three acid-producing strains were isolated and identified.

The isolated bacteria accelerated the anaerobic digestion processes.

Bacillus coagulans improved TCOD removal, VS removal and biogas production.

The optimal inoculum concentration of Bacillus coagulans AFB-1 was 30%.

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