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Title:
Modeling anaerobic digestion of blue algae: Stoichiometric coefficients of amino acids acidogenesis and thermodynamics analysis
Author: Yuan, Xian-Zheng1,2; Shi, Xiao-Shuang1,2; Yuan, Chun-Xin3; Wang, Yu-Ping1,4; Qiu, Yan-Ling1; Guo, Rong-Bo1; Wang, Li-Sheng1
Source: WATER RESEARCH
Issued Date: 2014-02-01
Volume: 49, Issue:49c, Pages:113-123
Keyword: Anaerobic digestion model no. 1(ADM1) ; Blue algae ; Stoichiometric coefficients of amino acids acidogenesis ; Thermodynamics analysis ; Heat from microbiological activities
Subject: 生物催化与转化::生物制氢与沼气
DOI: 10.1016/j.watres.2013.11.015
DOC Type: Article
English Abstract: In order to facilitate the application of Anaerobic Digestion Model No. 1 (ADM1), an approach for a detailed calculation of stoichiometric coefficients for amino acids acidogenesis during the anaerobic digestion of blue algae is presented. The simulation results obtained support the approach by good predictions of the dynamic behavior of cumulative methane production, pH values as well as the concentrations of acetate, propionate, butyrate, valerate and inorganic nitrogen. The sensitivity analysis based on Monte Carlo simulation showed that the stoichiometric coefficients for amino acids acidogenesis had high sensitivities to the outputs of the model. The model further indicated that the Gibbs free energies from the uptake of long-chain fatty acids (LCFA), valerate and butyrate were positive through the digestion, while the free energies for other components were negative. During the digestion, the cumulative heat productions from microbial activities and methane were 77.69 kJ and 185.76 kJ, respectively. This result suggested that proper heat preservation of anaerobic digesters could minimize the external heating needs due to the heat produced from microbial activities. (C) 2013 Elsevier Ltd. All rights reserved.
WOS Headings: Science & Technology ; Technology ; Life Sciences & Biomedicine ; Physical Sciences
WOS Subject: Engineering, Environmental ; Environmental Sciences ; Water Resources
WOS Subject Extended: Engineering ; Environmental Sciences & Ecology ; Water Resources
WOS Keyword Plus: WASTE-WATER TREATMENT ; ENERGY CROPS ; TAIHU LAKE ; FATTY-ACID ; DEGRADATION ; INVESTIGATE ; METABOLISM ; MICROALGAE ; BACTERIA ; PROTEIN
Indexed Type: SCI
Language: 英语
WOS ID: WOS:000330601400011
Citation statistics:
Content Type: 期刊论文
URI: http://ir.qibebt.ac.cn/handle/337004/1728
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, Key Lab Biofuels, Qingdao Inst Bioenergy & Bioproc Technol, Qingdao 266101, Shandong, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
3.Ocean Univ China, Sch Math Sci, Qingdao 266100, Peoples R China
4.Jiangnan Univ, Sch Environm & Civil Engn, Wuxi 214122, Jiangsu, Peoples R China

Recommended Citation:
Yuan, Xian-Zheng,Shi, Xiao-Shuang,Yuan, Chun-Xin,et al. Modeling anaerobic digestion of blue algae: Stoichiometric coefficients of amino acids acidogenesis and thermodynamics analysis[J]. WATER RESEARCH,2014,49(49c):113-123.
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