Enhanced methane recovery and exoelectrogen-methanogen evolution from low-strength wastewater in an up-flow biofilm reactor with conductive granular graphite fillers
文献类型：期刊论文
| 作者 | Guo, Zechong; Gao, Lei; Wang, Ling; Liu, Wenzong ; Wang, Aijie
|
| 刊名 | FRONTIERS OF ENVIRONMENTAL SCIENCE & ENGINEERING
 |
| 出版日期 | 2018-08-01 |
| 卷号 | 12期号:4页码:- |
| 关键词 | Low-strength wastewater Methane production Conductive filler Microbial community structure |
| ISSN号 | 2095-2201 |
| 文献子类 | Article; Proceedings Paper |
| 英文摘要 | Methane production from low-strength wastewater (LSWW) is generally difficult because of the low metabolism rate of methanogens. Here, an up-flow biofilm reactor equipped with conductive granular graphite (GG) as fillers was developed to enhance direct interspecies electron transfer (DIET) between syntrophic electroactive bacteria and methanogens to stimulate methanogenesis process. Compared to quartz sand fillers, using conductive fillers significantly enhanced methane production and accelerated the start-up stage of biofilm reactor. At HRT of 6 h, the average methane production rate and methane yield of reactor with GG were 0.106 m(3)/(m(3)center dot d) and 74.5 L/kg COD, which increased by 34.3 times and 22.4 times respectively compared with the reactor with common quartz sand fillers. The microbial community analysis revealed that methanogens structure was significantly altered and the archaea that are involved in DIET (such as Methanobacterium) were enriched in GG filler. The beneficial effects of conductive fillers on methane production implied a practical strategy for efficient methane recovery from LSWW. |
| 源URL | [http://ir.rcees.ac.cn/handle/311016/41255]  |
| 专题 | 生态环境研究中心_中国科学院环境生物技术重点实验室 |
| 推荐引用方式 GB/T 7714 | Guo, Zechong,Gao, Lei,Wang, Ling,et al. Enhanced methane recovery and exoelectrogen-methanogen evolution from low-strength wastewater in an up-flow biofilm reactor with conductive granular graphite fillers[J]. FRONTIERS OF ENVIRONMENTAL SCIENCE & ENGINEERING,2018,12(4):-. |
| APA | Guo, Zechong,Gao, Lei,Wang, Ling,Liu, Wenzong,&Wang, Aijie.(2018).Enhanced methane recovery and exoelectrogen-methanogen evolution from low-strength wastewater in an up-flow biofilm reactor with conductive granular graphite fillers.FRONTIERS OF ENVIRONMENTAL SCIENCE & ENGINEERING,12(4),-. |
| MLA | Guo, Zechong,et al."Enhanced methane recovery and exoelectrogen-methanogen evolution from low-strength wastewater in an up-flow biofilm reactor with conductive granular graphite fillers".FRONTIERS OF ENVIRONMENTAL SCIENCE & ENGINEERING 12.4(2018):-. |
入库方式： OAI收割
来源：生态环境研究中心
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