Effect of inoculum types on thermophilic and mesophilic solid-state anaerobic digestion of empty fruit bunches for biogas production

摘要：

　　Effect inoculum types on biogas production from semi-continuous solid-state anaerobic digestion (SS-AD) of empty fruit bunches were investigated under mesophilic and thermophilic condition.Digestate from liquid-state digester and solid-state digester were used as inoculum for SS-AD.Liquid digestate inoculum has methane production of 30% higher than solid digestate inoculum.Thermophilic SS-AD achieved fast reductions of cellulose and hemicelluloses during the first 10 days compared to mesophilic SS-AD.Maximum methane production rate from thermophilic and mesophilic SS-AD was 21.8 and 6.8 ml CH4 g-1 VS d-1,respectively achieving from liquid digestate inoculum.Bacteria community structure in thermophilic and mesophilic SS-AD of empty fruit bunches was dominated by Thermoanaerobacterium sp.and Clostridium sp.,respectively.Achaea community structure in thermophilic and mesophilic SS-AD of empty fruit bunches was dominated by Methanosaeta sp.andMethanoculleus sp.,respectively.Liquid digestate was suitable inoculum for SS-AD of empty fruit bunches for biogas production.

关键词： Solid-state anaerobic digestion Methane production Empty fruit bunches,Liquid-state digestate,Solid-state digestate

作者: W.Suksong J.Seengenyoung P.Kongjan S.O-Thong

作者单位: Biotechnology Program, Faculty of Science, Thaksin University, Phatthalung, Thailand Department of Science, Faculty of Science and Technology, Prince of Songkla University, Pattani Thai Research Center in Energy and Environment, Faculty of Science, Thaksin University, Phatthalung, 9321

会议类型: 国际会议

会议名称: The 15th IWA World Conference on Anaerobic Digestion( 第15届IWA世界厌氧大会)

会议地点: 北京

会议语种:英文

页码: 129-132

在线出版日期: 2017-10-17（万方平台首次上网日期，不代表论文的发表时间）