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Feasibility of acetone-butanol-ethanol (ABE) fermentation from Amorphophallus konjac waste by Clostridium acetobutylicum ATCC 824
Shao, Meixue1,2; Chen, Hongzhang1
2015-08-01
Source PublicationPROCESS BIOCHEMISTRY
ISSN1359-5113
Volume50Issue:8Pages:1301-1307
Abstract

Using Amorphophallus konjac waste as a source of fermentable carbohydrate, the feasibility of acetone butanol ethanol (ABE) fermentation by Clostridium acetobutylicum ATCC 824 was investigated in this study. Two distinct combination strategies for the enzymatic hydrolysis and fermentation, simultaneous saccharification and fermentation (SSF) and separate hydrolysis and fermentation (SHF), for konjac waste fermentation were compared. beta-Mannanase was added to facilitate the hydrolysis of glucomannan and to increase the fermentability of the substrate. The ABE concentration (6.64 g/L) from SSF was less than that from SHF; the result from the control experiment was 4.34 g/L of ABE. SHF obtained a higher production of total ABE solvents (10.95 g/L) with 7.10 g/L of butanol at a productivity rate of 0.30 g/L/h. The effect of the bioactive alkaloid abundant in the konjac waste on ABE fermentation was evaluated. The results indicated that the alkaloid affected the ABE fermentation results when using C acetobutylicum, and the effective extraction of alkaloids can help to increase the butanol concentration and shorten the fermentation period. Therefore, the utilization of Amorphophallus konjac waste (a low-cost agricultural resource) in ABE fermentation provides an alternative to increase the economic viability of ABE production. (C) 2015 Elsevier Ltd. All rights reserved.

KeywordAmorphophallus Konjac Waste Abe Fermentation Alkaloid Extraction Enzymatic Hydrolysis Clostridium Acetobutylicum Atcc 824
SubtypeArticle
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine ; Technology
DOI10.1016/j.procbio.2015.05.009
Indexed BySCI
Language英语
WOS KeywordBEIJERINCKII BA101 ; AGRICULTURAL WASTE ; WHEAT-STRAW ; HYDROLYSATE ; EXTRACTION ; PRODUCTS ; STARCH ; GROWTH
WOS Research AreaBiochemistry & Molecular Biology ; Biotechnology & Applied Microbiology ; Engineering
WOS SubjectBiochemistry & Molecular Biology ; Biotechnology & Applied Microbiology ; Engineering, Chemical
WOS IDWOS:000358700100017
Citation statistics
Cited Times:16[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/19429
Collection生化工程国家重点实验室
Affiliation1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Biochem Engn, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Shao, Meixue,Chen, Hongzhang. Feasibility of acetone-butanol-ethanol (ABE) fermentation from Amorphophallus konjac waste by Clostridium acetobutylicum ATCC 824[J]. PROCESS BIOCHEMISTRY,2015,50(8):1301-1307.
APA Shao, Meixue,&Chen, Hongzhang.(2015).Feasibility of acetone-butanol-ethanol (ABE) fermentation from Amorphophallus konjac waste by Clostridium acetobutylicum ATCC 824.PROCESS BIOCHEMISTRY,50(8),1301-1307.
MLA Shao, Meixue,et al."Feasibility of acetone-butanol-ethanol (ABE) fermentation from Amorphophallus konjac waste by Clostridium acetobutylicum ATCC 824".PROCESS BIOCHEMISTRY 50.8(2015):1301-1307.
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