期刊
BIORESOURCE TECHNOLOGY
卷 287, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2019.121373
关键词
Anaerobic digestion; Direct interspecies electron transfer; Graphite felt; Syntrophic degradation; Propionate and butyrate
资金
- Jiangsu Key Laboratory of Anaerobic Biotechnology (Jiangnan University) [JKLAB201703]
- Young Doctorate Cooperation Fund Project of Advanced Materials Institute, Shandong Academy of Science [2018QNHZ04]
Direct interspecies electron transfer (DIET) was considered to replace interspecies H-2 transfer to enhance syntrophic metabolism during the anaerobic digestion. The graphite felt with excellent electrical conductivity was added into a semi-continuous reactor as a conducive material, strengthening DIET in enhancing the degradation of propionate and butyrate. The final average CH4 production rate increased by 19.1% and 16.7%, respectively, during the propionate and butyrate degradation. Microbial community analysis revealed that the relative abundance of the microflora that could participate in DIET, like Geobacter, Methanosaeta and Methanosarcina species, was greatly improved in the presence of graphite felt. Further experiments showed that the high H-2 partial pressure had no obvious effect on the degradation of propionate and butyrate in the graphite felt-supplement reactors.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据