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Title:
Effect of Different Mixed Microflora on the Performance of Thermophilic Microaerobic Pretreatment
Author: Fu, Shan-Fei1,2; Shi, Xiao-Shuang1; Dai, Meng1; Guo, Rong-Bo1
Source: ENERGY & FUELS
Issued Date: 2016-08-01
Volume: 30, Issue:8, Pages:6413-6418
DOI: 10.1021/acs.energyfuels.6b00440
DOC Type: Article
English Abstract:

Recently, thermophilic microaerobic pretreatment (TMP) showed to be an efficient pretreatment method for anaerobic digestion (AD). During TMP, bacteria affiliated to phylum Firmicutes played an important role. The microbial community structure of inoculum might directly affect the performance of TMP. In this study, three different mixed microfloras [biogas slurry (BS), activated sludge (AS), and effluent from retted corn straw (ER)] were selected to explore inocula impact on the performance of TMP. Results showed that the TMP process could obviously improve the startup performance and methane yield of AD. Despite the inocula during TMP being different when the oxygen load during TMP was 5 mL/g of VSsubstrate, the methane yields reached a maximum. The maximum methane yield was obtained when using ER as inoculum during TMP, Which was 5.2 and 5.8% higher than those of samples using BS and AS as inocula, respectively. Accordingly, the relative abundance of phylum Firmicutes in ER was also highest, which. was 77.4 and 459.5% higher than those of BS and AS, respectively. When using TMP as the pretreatment method, the inoculum selection during the TMP process is important, and the higher abundance of bacteria affiliated to phylum Firmicutes could improve the performance of TMP.

WOS Headings: Science & Technology ; Technology
WOS Subject: Energy & Fuels ; Engineering, Chemical
WOS Subject Extended: Energy & Fuels ; Engineering
WOS Keyword Plus: ANAEROBIC CO-DIGESTION ; MICROBIAL COMMUNITY STRUCTURE ; WASTE-ACTIVATED-SLUDGE ; METHANE PRODUCTION ; AEROBIC PRETREATMENT ; SEWAGE-SLUDGE ; BROWN WATER ; FOOD WASTE ; MICROAERATION ; HYDROLYSIS
Indexed Type: SCI
Funder: Key Research & Development Project of Shandong(2015GSF117016 ; National Key Technology Support Program of China(2015BAL04B02) ; National Natural Science Foundation of China(41276143) ; 2015GSF115037)
Language: 英语
WOS ID: WOS:000381778500024
Citation statistics:
Content Type: 期刊论文
URI: http://ir.qibebt.ac.cn/handle/337004/8483
Appears in Collections:生物制氢与沼气团队_期刊论文

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description.institution: 1.Chinese Acad Sci, Shandong Ind Engn Lab Biogas Prod & Utilizat, Qingdao Inst Bioenergy & Bioproc Technol, 189 Songling Rd, Qingdao 266101, Shandong, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China

Recommended Citation:
Fu, Shan-Fei,Shi, Xiao-Shuang,Dai, Meng,et al. Effect of Different Mixed Microflora on the Performance of Thermophilic Microaerobic Pretreatment[J]. ENERGY & FUELS,2016,30(8):6413-6418.
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