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An innovative alkaline protease-based pretreatment approach for enhanced short-chain fatty acids production via a short-term anaerobic fermentation of waste activated sludge
Pang, Heliang1,2,3; Pan, Xinlei2,3; Li, Lin2,3; He, Junguo1; Zheng, Yanshi2,3; Qu, Fangshu1; Ma, Yingqun4; Cui, Baihui4,5; Nan, Jun2,3; Liu, Yu4,6
Corresponding AuthorHe, Junguo(junguohe@263.net)
2020-09-01
Source PublicationBIORESOURCE TECHNOLOGY
ISSN0960-8524
Volume312Pages:9
AbstractThis study reported a novel pretreatment approach with combination of alkaline protease (AP) and pH 10 for enhancing short-chain fatty acids (SCFAs) production from waste activated sludge (WAS). Through the AP-based pretreatment, WAS flocs were disintegrated with cell lysis, leading to release of biodegradable organic matters. At the external AP dosage of 5%, SCOD of 5363.7 mg/L (SCOD/TCOD = 32.5%) was achievable after 2-h pretreatment. More than 66% of SCOD was composed of proteins and carbohydrates. Considerable SCFAs of 607 mg COD/g VSS was produced over a short-term anaerobic fermentation of 3 days, which was 5.4 times higher than that in the control. Acetic and propionic acids accounted for 74.1% of the SCFAs. The AP-based approach increased endogenous protease and ?-glucosidase activities, facilitating biodegradation of dissolved organic matters and SCFAs production. Such approach is promising for WAS disposal and carbon recovery, the produced SCFAs might supply 60% of carbon gap in wastewater.
KeywordWaste activated sludge Alkaline protease Sludge solubilization Short-term anaerobic fermentation Short-chain fatty acids
DOI10.1016/j.biortech.2020.123397
Funding OrganizationResearch and Development Project in Key Areas of Guangdong Province ; Research and Development Project in Key Areas of Guangdong Province ; Research and Development Project in Key Areas of Guangdong Province ; Research and Development Project in Key Areas of Guangdong Province ; National Natural Science Foundation of China - China ; National Natural Science Foundation of China - China ; National Natural Science Foundation of China - China ; National Natural Science Foundation of China - China ; China Scholarship Council (CSC) ; China Scholarship Council (CSC) ; China Scholarship Council (CSC) ; China Scholarship Council (CSC) ; Research and Development Project in Key Areas of Guangdong Province ; Research and Development Project in Key Areas of Guangdong Province ; Research and Development Project in Key Areas of Guangdong Province ; Research and Development Project in Key Areas of Guangdong Province ; National Natural Science Foundation of China - China ; National Natural Science Foundation of China - China ; National Natural Science Foundation of China - China ; National Natural Science Foundation of China - China ; China Scholarship Council (CSC) ; China Scholarship Council (CSC) ; China Scholarship Council (CSC) ; China Scholarship Council (CSC) ; Research and Development Project in Key Areas of Guangdong Province ; Research and Development Project in Key Areas of Guangdong Province ; Research and Development Project in Key Areas of Guangdong Province ; Research and Development Project in Key Areas of Guangdong Province ; National Natural Science Foundation of China - China ; National Natural Science Foundation of China - China ; National Natural Science Foundation of China - China ; National Natural Science Foundation of China - China ; China Scholarship Council (CSC) ; China Scholarship Council (CSC) ; China Scholarship Council (CSC) ; China Scholarship Council (CSC) ; Research and Development Project in Key Areas of Guangdong Province ; Research and Development Project in Key Areas of Guangdong Province ; Research and Development Project in Key Areas of Guangdong Province ; Research and Development Project in Key Areas of Guangdong Province ; National Natural Science Foundation of China - China ; National Natural Science Foundation of China - China ; National Natural Science Foundation of China - China ; National Natural Science Foundation of China - China ; China Scholarship Council (CSC) ; China Scholarship Council (CSC) ; China Scholarship Council (CSC) ; China Scholarship Council (CSC)
Indexed BySCI ; SCI
Language英语
Funding ProjectResearch and Development Project in Key Areas of Guangdong Province[2019B110209002] ; National Natural Science Foundation of China - China[51778179] ; China Scholarship Council (CSC)
WOS Research AreaAgriculture ; Biotechnology & Applied Microbiology ; Energy & Fuels
WOS SubjectAgricultural Engineering ; Biotechnology & Applied Microbiology ; Energy & Fuels
WOS IDWOS:000543898300002
WOS KeywordFOOD WASTE ; CO-DIGESTION ; WATER TREATMENT ; EXCESS SLUDGE ; COMMUNITY ; SOLUBILIZATION ; BIOPRODUCTION ; FEASIBILITY ; HYDROLYSIS ; MECHANISM
PublisherELSEVIER SCI LTD
Funding OrganizationResearch and Development Project in Key Areas of Guangdong Province ; Research and Development Project in Key Areas of Guangdong Province ; Research and Development Project in Key Areas of Guangdong Province ; Research and Development Project in Key Areas of Guangdong Province ; National Natural Science Foundation of China - China ; National Natural Science Foundation of China - China ; National Natural Science Foundation of China - China ; National Natural Science Foundation of China - China ; China Scholarship Council (CSC) ; China Scholarship Council (CSC) ; China Scholarship Council (CSC) ; China Scholarship Council (CSC) ; Research and Development Project in Key Areas of Guangdong Province ; Research and Development Project in Key Areas of Guangdong Province ; Research and Development Project in Key Areas of Guangdong Province ; Research and Development Project in Key Areas of Guangdong Province ; National Natural Science Foundation of China - China ; National Natural Science Foundation of China - China ; National Natural Science Foundation of China - China ; National Natural Science Foundation of China - China ; China Scholarship Council (CSC) ; China Scholarship Council (CSC) ; China Scholarship Council (CSC) ; China Scholarship Council (CSC) ; Research and Development Project in Key Areas of Guangdong Province ; Research and Development Project in Key Areas of Guangdong Province ; Research and Development Project in Key Areas of Guangdong Province ; Research and Development Project in Key Areas of Guangdong Province ; National Natural Science Foundation of China - China ; National Natural Science Foundation of China - China ; National Natural Science Foundation of China - China ; National Natural Science Foundation of China - China ; China Scholarship Council (CSC) ; China Scholarship Council (CSC) ; China Scholarship Council (CSC) ; China Scholarship Council (CSC) ; Research and Development Project in Key Areas of Guangdong Province ; Research and Development Project in Key Areas of Guangdong Province ; Research and Development Project in Key Areas of Guangdong Province ; Research and Development Project in Key Areas of Guangdong Province ; National Natural Science Foundation of China - China ; National Natural Science Foundation of China - China ; National Natural Science Foundation of China - China ; National Natural Science Foundation of China - China ; China Scholarship Council (CSC) ; China Scholarship Council (CSC) ; China Scholarship Council (CSC) ; China Scholarship Council (CSC)
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Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/38454
Collection其他_期刊论文
Corresponding AuthorHe, Junguo
Affiliation1.Guangzhou Univ, Sch Civil Engn, Guangzhou 510006, Peoples R China
2.Harbin Inst Technol, Sch Environm, Harbin 150090, Peoples R China
3.Harbin Inst Technol, State Key Lab Urban Water Resource & Environm, Harbin 150090, Peoples R China
4.Nanyang Technol Univ, Nanyang Environm & Water Res Inst, Adv Environm Biotechnol Ctr, 1 Cleantech Loop, Singapore 637141, Singapore
5.Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China
6.Nanyang Technol Univ, Sch Civil & Environm Engn, 50 Nanyang Ave, Singapore 639798, Singapore
Recommended Citation
GB/T 7714
Pang, Heliang,Pan, Xinlei,Li, Lin,et al. An innovative alkaline protease-based pretreatment approach for enhanced short-chain fatty acids production via a short-term anaerobic fermentation of waste activated sludge[J]. BIORESOURCE TECHNOLOGY,2020,312:9.
APA Pang, Heliang.,Pan, Xinlei.,Li, Lin.,He, Junguo.,Zheng, Yanshi.,...&Liu, Yu.(2020).An innovative alkaline protease-based pretreatment approach for enhanced short-chain fatty acids production via a short-term anaerobic fermentation of waste activated sludge.BIORESOURCE TECHNOLOGY,312,9.
MLA Pang, Heliang,et al."An innovative alkaline protease-based pretreatment approach for enhanced short-chain fatty acids production via a short-term anaerobic fermentation of waste activated sludge".BIORESOURCE TECHNOLOGY 312(2020):9.
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