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Alkaline thermal pretreatment at mild temperatures for biogas production from anaerobic digestion of antibiotic mycelial residue
Li, Chunxing1,2; Zhang, Guangyi1; Zhang, Zhikai1,3; Ma, Dachao4; Xu, Guangwen1
2016-05-01
Source PublicationBIORESOURCE TECHNOLOGY
ISSN0960-8524
Volume208Issue:MAYPages:49-57
Abstract

This paper aims at lowering the temperature for thermal pretreatment (TPT) of antibiotic mycelial residue (AMR) by alkali addition but without significantly worsening subsequent anaerobic digestion (AD) for biogas. Batch TPT and AD experiments were conducted in a bench-scale autoclave and several bench-scale anaerobic digesters, respectively. The results showed that the methane yield (<200 ml.(g VS)(-1)) was visibly lower with lowering pretreatment temperature, compared to that (290 ml.(g VS)(-1)) for TPT at the optimal temperature of 120 degrees C, while it rebounded to 231 ml.(g VS)(-1) when proper amounts of alkali were employed (to adjust the pH of the AMR to 12) for TPT at 80 degrees C. Further analysis indicated that low-temperature alkaline TPT was significantly less energy-consumption compared to only TPT, at cost of small amounts of alkali. It was more convenient and economical to implement AD of AMR in combination with alkaline TPT at mild temperatures for biogas. (C) 2016 Elsevier Ltd. All rights reserved.

KeywordAlkaline Thermal Pretreatment Anaerobic Digestion Antibiotic Mycelial Residue Methane Biogas
SubtypeArticle
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine ; Technology
DOI10.1016/j.biortech.2016.02.064
Indexed BySCI
Language英语
WOS KeywordSolid-waste ; Sludge
WOS Research AreaAgriculture ; Biotechnology & Applied Microbiology ; Energy & Fuels
WOS SubjectAgricultural Engineering ; Biotechnology & Applied Microbiology ; Energy & Fuels
Funding OrganizationNational Natural Science Foundation of China - China(21161140329) ; National Key Technology Research and Development Program of China - China(2012BAC03B05)
WOS IDWOS:000371930900008
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/20630
Collection研究所(批量导入)
Corresponding AuthorZhang, Guangyi
Affiliation1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
2.Chinese Acad Sci, Inst Urban Environm, Key Lab Urban Pollutant Convers, Xiamen 361021, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
4.Guangxi Univ, Coll Environm, Nanning 530004, Peoples R China
Recommended Citation
GB/T 7714
Li, Chunxing,Zhang, Guangyi,Zhang, Zhikai,et al. Alkaline thermal pretreatment at mild temperatures for biogas production from anaerobic digestion of antibiotic mycelial residue[J]. BIORESOURCE TECHNOLOGY,2016,208(MAY):49-57.
APA Li, Chunxing,Zhang, Guangyi,Zhang, Zhikai,Ma, Dachao,&Xu, Guangwen.(2016).Alkaline thermal pretreatment at mild temperatures for biogas production from anaerobic digestion of antibiotic mycelial residue.BIORESOURCE TECHNOLOGY,208(MAY),49-57.
MLA Li, Chunxing,et al."Alkaline thermal pretreatment at mild temperatures for biogas production from anaerobic digestion of antibiotic mycelial residue".BIORESOURCE TECHNOLOGY 208.MAY(2016):49-57.
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