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Immobilization of Acidithiobacillus ferrooxidans by a PVA-boric acid method for ferrous sulphate oxidation
Alternative TitleProcess Biochem.
Long, Z; Huang, YH; Cai, ZL; Cong, W; Ouyang, F
2004-10-29
Source PublicationPROCESS BIOCHEMISTRY
ISSN1359-5113
Volume39Issue:12Pages:2129-2133
AbstractAcidithiobacillus ferrooxidans was immobilized in poly(vinyl alcohol) (PVA) by a PVA-boric acid method, and spherical beads of uniform size were produced. Biooxidation of ferrous iron by immobilized cells was investigated in repeated batch culture and continuous operation in a laboratory scale packed-bed bioreactor. During repeated batch culture, the cell-immobilized gels were stable and showed high constant iron-oxidizing activity. In continuous operation in a packed-bed bioreactor, biooxidation of ferrous iron fits a plug-flow reaction model well. A maximum Fe2+ oxidation rate of 1.89g l(-1) h(-1) was achieved at the dilution rate of 0.38h(-1) or higher, while no obvious precipitate was detected in the bioreactor. (C) 2003 Elsevier Ltd. All rights reserved.; Acidithiobacillus ferrooxidans was immobilized in poly(vinyl alcohol) (PVA) by a PVA-boric acid method, and spherical beads of uniform size were produced. Biooxidation of ferrous iron by immobilized cells was investigated in repeated batch culture and continuous operation in a laboratory scale packed-bed bioreactor. During repeated batch culture, the cell-immobilized gels were stable and showed high constant iron-oxidizing activity. In continuous operation in a packed-bed bioreactor, biooxidation of ferrous iron fits a plug-flow reaction model well. A maximum Fe2+ oxidation rate of 1.89g l(-1) h(-1) was achieved at the dilution rate of 0.38h(-1) or higher, while no obvious precipitate was detected in the bioreactor. (C) 2003 Elsevier Ltd. All rights reserved.
KeywordBiooxidation Ferrous Iron Immobilization Packed-bed Bioreactor Poly(Vinyl Alcohol) Acidithiobacillus Ferrooxidans
SubtypeArticle
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine ; Technology
DOI10.1016/j.procbio.2003.11.004
URL查看原文
Indexed BySCI
Language英语
WOS KeywordPACKED-BED REACTORS ; THIOBACILLUS-FERROOXIDANS ; IRON ; MATRIX ; CELLS
WOS Research AreaBiochemistry & Molecular Biology ; Biotechnology & Applied Microbiology ; Engineering
WOS SubjectBiochemistry & Molecular Biology ; Biotechnology & Applied Microbiology ; Engineering, Chemical
WOS IDWOS:000223925500041
Citation statistics
Cited Times:58[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/4947
Collection研究所(批量导入)
Affiliation1.Chinese Acad Sci, State Key Lab Biochem Engn, Inst Proc Engn, Beijing 100080, Peoples R China
2.Jiangxi Normal Univ, Coll Life Sci, Nanchang 330027, Peoples R China
Recommended Citation
GB/T 7714
Long, Z,Huang, YH,Cai, ZL,et al. Immobilization of Acidithiobacillus ferrooxidans by a PVA-boric acid method for ferrous sulphate oxidation[J]. PROCESS BIOCHEMISTRY,2004,39(12):2129-2133.
APA Long, Z,Huang, YH,Cai, ZL,Cong, W,&Ouyang, F.(2004).Immobilization of Acidithiobacillus ferrooxidans by a PVA-boric acid method for ferrous sulphate oxidation.PROCESS BIOCHEMISTRY,39(12),2129-2133.
MLA Long, Z,et al."Immobilization of Acidithiobacillus ferrooxidans by a PVA-boric acid method for ferrous sulphate oxidation".PROCESS BIOCHEMISTRY 39.12(2004):2129-2133.
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