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Reduction of hexavalent chromium by Pannonibacter phragmitetus LSSE-09 stimulated with external electron donors under alkaline conditions
Xu, Lin1,2,4; Luo, Mingfang4; Li, Wangliang2; Wei, Xuetuan1,2,4; Xie, Keng1,2,4; Liu, Lijun3,4; Jiang, Chengying3; Liu, Huizhou1,2; Liu, HZ
2011-01-30
Source PublicationJOURNAL OF HAZARDOUS MATERIALS
ISSN0304-3894
Volume185Issue:2-3Pages:1169-1176
AbstractA novel Cr (VI) resistant bacterial strain LSSE-09, identified as Pannonibacter phragmitetus, was isolated from industrial sludge. It has strong aerobic and anaerobic Cr (VD-reduction potential under alkaline conditions. At 37 degrees C and pH 9.0, growing cells of strain LSSE-09 could completely reduce 100 and 1000 mg L(-1) Cr (VI)-Cr (III) within 9 and 24h, respectively under aerobic condition. Resting cells showed higher anaerobic reduction potential with the rate of 1.46 mg g((dry weight))(-1) min(-1), comparing with their aerobic reduction rate, 0.21 mg g(-1) min(-1). External electron donors, such as lactate, acetate, formate, pyruvate, citrate and glucose could highly increase the reduction rate, especially for aerobic reduction. The presence of 3000 mg V acetate enhanced anaerobic and aerobic Cr (VI)-reduction rates up to 9.47 mg g(-1) min(-1), and 4.42 mg g(-1) min(-1), respectively, which were 5 and 20 times faster than those without it. Strain LSSE-09 retained high activities over six batch cycles and NO(3)(-) and SO(4)(2-) had slightly negative effects on Cr (VI)-reduction rates. The results suggest that strain LSSE-09 has potential application for Cr (VI) detoxification in alkaline wastewater. (C) 2010 Elsevier B.V. All rights reserved.
KeywordCr (Vi) Reduction Electron Donor Aerobic Anaerobic Pannonibacter Phragmitetus
SubtypeArticle
WOS HeadingsScience & Technology ; Technology ; Life Sciences & Biomedicine
DOI10.1016/j.jhazmat.2010.10.028
Indexed BySCI
Language英语
WOS KeywordESCHERICHIA-COLI ATCC-33456 ; CHROMATE REDUCTION ; SP STRAIN ; RESTING CELLS ; HEAVY-METALS ; CR(VI) ; BIOREMEDIATION ; DICHROMATE ; RESISTANCE ; MECHANISM
WOS Research AreaEngineering ; Environmental Sciences & Ecology
WOS SubjectEngineering, Environmental ; Engineering, Civil ; Environmental Sciences
WOS IDWOS:000286782600080
Citation statistics
Cited Times:45[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/5245
Collection湿法冶金清洁生产技术国家工程实验室
Corresponding AuthorLiu, HZ
Affiliation1.Chinese Acad Sci, Inst Proc Engn, Key Lab Green Proc & Engn, Beijing 100190, Peoples R China
2.Chinese Acad Sci, Natl Key Lab Biochem Engn, Beijing 100190, Peoples R China
3.Chinese Acad Sci, Inst Microbiol, Beijing 100101, Peoples R China
4.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Xu, Lin,Luo, Mingfang,Li, Wangliang,et al. Reduction of hexavalent chromium by Pannonibacter phragmitetus LSSE-09 stimulated with external electron donors under alkaline conditions[J]. JOURNAL OF HAZARDOUS MATERIALS,2011,185(2-3):1169-1176.
APA Xu, Lin.,Luo, Mingfang.,Li, Wangliang.,Wei, Xuetuan.,Xie, Keng.,...&Liu, HZ.(2011).Reduction of hexavalent chromium by Pannonibacter phragmitetus LSSE-09 stimulated with external electron donors under alkaline conditions.JOURNAL OF HAZARDOUS MATERIALS,185(2-3),1169-1176.
MLA Xu, Lin,et al."Reduction of hexavalent chromium by Pannonibacter phragmitetus LSSE-09 stimulated with external electron donors under alkaline conditions".JOURNAL OF HAZARDOUS MATERIALS 185.2-3(2011):1169-1176.
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