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Title:
Effects of organic loading rate on biogas production from macroalgae: Performance and microbial community structure
Author: Sun, Meng-Ting1,2; Fan, Xiao-Lei1; Zhao, Xiao-Xian3; Fu, Shan-Fei1,2; He, Shuai1,2; Manasa, M. R. K.1,2; Guo, Rong-Bo1
Source: BIORESOURCE TECHNOLOGY
Issued Date: 2017-07-01
Volume: 235, Pages:292-300
Keyword: Anaerobic digestion ; Macroalgae ; Biogas production ; Organic loading rate ; Microbial community
DOI: 10.1016/j.biortech.2017.03.075
DOC Type: Article
English Abstract: Macroalgae biomass has been considered as a promising feedstock for biogas production. In order to improve the efficiency of anaerobic digestion (AD) of macroalgae, semi-continuous fermentation was conducted to examine the effects of organic loading rate (OLR) on biogas production from Macrocystis pyrifer. Results showed that, under OLRs of 1.37, 2.74, 4.12 and 6.85 kg VSsubstrate/(m(3).d), the average unit biogas yields were 438.9, 477.3, 480.1 and 188.7 mL/(g VSsubstrate d), respectively. It indicated that biogas production was promoted by the increased OLR in an appropriate range while inhibited by the OLR beyond the appropriate range. The investigation on physical-chemical parameters revealed that unfavorable VFAs concentration, pH and salinity might be the main causes for system failure due to the overrange OLR, while the total phenols failed to reach the inhibitory concentration. Microbial community analysis demonstrated that several bacterial and archaeal phyla altered with increase in OLR apparently. (C) 2017 Elsevier Ltd. All rights reserved.
WOS Headings: Science & Technology ; Life Sciences & Biomedicine ; Technology
WOS Subject: Agricultural Engineering ; Biotechnology & Applied Microbiology ; Energy & Fuels
WOS Subject Extended: Agriculture ; Biotechnology & Applied Microbiology ; Energy & Fuels
WOS Keyword Plus: THERMOPHILIC ANAEROBIC-DIGESTION ; CO-DIGESTION ; INITIAL PH ; BIOMASS ; MANURE ; SLUDGE ; WASTE ; REACTOR ; PRETREATMENT ; CONVERSION
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:000402479100034
Citation statistics:
Content Type: 期刊论文
URI: http://ir.qibebt.ac.cn/handle/337004/9655
Appears in Collections:工业生物燃气团队_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
3.Jizhou Hebei Middle Sch, Hengshui 053200, Hebei, Peoples R China

Recommended Citation:
Sun, Meng-Ting,Fan, Xiao-Lei,Zhao, Xiao-Xian,et al. Effects of organic loading rate on biogas production from macroalgae: Performance and microbial community structure[J]. BIORESOURCE TECHNOLOGY,2017,235:292-300.
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