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Effect of electron donors on the performance of haloalkaliphilic sulfate-reducing bioreactors for flue gas treatment and microbial degradation patterns related to sulfate reduction of different electron donors
Zhou, Jiemin1,2; Xing, Jianmin1
2015-04-15
Source PublicationBIOCHEMICAL ENGINEERING JOURNAL
ISSN1369-703X
Volume96Issue:APRPages:14-22
Abstract

Haloalkaliphilic microorganisms were used to treat wastewater from adsorption alkaline solution of flue gas characterized by high pH and salinity. Lactate, glucose, methanol, ethanol, formate, and acetate were used to investigate the effect of different electron donors on the performance of haloalkaliphilic sulfate-reducing bioreactors. At pH 9.5 and 1.0 M of Na+, the optimum electron donor was found to be ethanol with the shortest lag period (31 days) and the highest sulfate removal rate (8.60 +/- 0.129 kg m(-3) d(-1)). Bioreactors were stable after they were successfully started up. High sulfide concentration (3294 +/- 18.8 mgl(-1)) did not inhibit the activity of sulfate-reducing bacteria (SRB). Microbial degradation patterns related to sulfate reduction of different electron donors were determined. Oxidation process of propionate was coupled with sulfate reduction process in the lactate- and glucose-fed bioreactor. Glucose can be directly utilized by haloalkaliphilic SRB. The pathway of ethanol to pyruvate and Wood-Ljungdahl pathway were found in the ethanol- and formate-fed bioreactor, respectively. Some haloalkaliphilic SRB of the complete oxidation type may be present in the formate-fed bioreactor. (C) 2014 Elsevier B.V. All rights reserved.

KeywordBiodesulfurization Biofilters Ethanol Flue Gas Haloalkaliphilic Waste Treatment
SubtypeArticle
Subject AreaBiotechnology & Applied Microbiology ; Engineering
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine ; Technology
DOI10.1016/j.bej.2014.12.015
Indexed BySCI
Language英语
WOS KeywordHydraulic Retention Time ; Fluidized-bed Reactor ; Biological Sulfate ; Waste-water ; Bacterial Community ; Hydrogen-sulfide ; Carbon Source ; Lift Reactor ; Start-up ; Removal
Funding ProjectNational Science Foundation of China [21207060, 31370078] ; National High Technology Research and Development Program of China (863 Project) [2011AA060904]
WOS Research AreaBiotechnology & Applied Microbiology ; Engineering
WOS SubjectBiotechnology & Applied Microbiology ; Engineering, Chemical
WOS IDWOS:000350776500003
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Cited Times:30[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/13778
Collection研究所(批量导入)
Corresponding AuthorXing, Jianmin
Affiliation1.Chinese Acad Sci, Inst Proc Engn, Natl Key Lab Biochem Engn, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Zhou, Jiemin,Xing, Jianmin. Effect of electron donors on the performance of haloalkaliphilic sulfate-reducing bioreactors for flue gas treatment and microbial degradation patterns related to sulfate reduction of different electron donors[J]. BIOCHEMICAL ENGINEERING JOURNAL,2015,96(APR):14-22.
APA Zhou, Jiemin,&Xing, Jianmin.(2015).Effect of electron donors on the performance of haloalkaliphilic sulfate-reducing bioreactors for flue gas treatment and microbial degradation patterns related to sulfate reduction of different electron donors.BIOCHEMICAL ENGINEERING JOURNAL,96(APR),14-22.
MLA Zhou, Jiemin,et al."Effect of electron donors on the performance of haloalkaliphilic sulfate-reducing bioreactors for flue gas treatment and microbial degradation patterns related to sulfate reduction of different electron donors".BIOCHEMICAL ENGINEERING JOURNAL 96.APR(2015):14-22.
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