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Reduction Kinetics of Chromium(VI) by S(-II) in Alkalescent Aqueous Media
Li, Haibo1,2; Cao, Hongbin1; Li Yuping1; Dai, Haobo1; Zhang, Yi1; Cao, HB
2009-02-01
Source PublicationENVIRONMENTAL ENGINEERING SCIENCE
ISSN1092-8758
Volume26Issue:2Pages:263-267
AbstractBatch experiments were performed to study the reaction kinetics of chromium( VI) and S(-II) in alkalescent aqueous media with high reactant concentrations. Effects of stirring rate, pH, initial Cr(VI) concentration, temperature and inert substance concentration on Cr(VI) reduction were experimentally investigated. Apparent reaction kinetics were obtained. The apparent activation energy(E(a)) of the reaction was ca. 30.9 kJ . mol(-1) at temperature range of 303-333 K and the reaction showed positive salt effect in the low inert substance concentration media of 0.025-0.25 mol/L, suggesting that the actual reactants might be HCrO(4)(-) and HS(-).
KeywordReduction Kinetics Chromium(Vi) s(-ii) High Reactant Concentrations Alkalescent Aqueous Media
SubtypeArticle
WOS HeadingsScience & Technology ; Technology ; Life Sciences & Biomedicine
DOI10.1089/ees.2007.0269
Indexed BySCI
Language英语
WOS KeywordSULFATE-REDUCING BACTERIA ; HYDROGEN-SULFIDE ; TRANSFORMATIONS ; CONSORTIUM
WOS Research AreaEngineering ; Environmental Sciences & Ecology
WOS SubjectEngineering, Environmental ; Environmental Sciences
WOS IDWOS:000263057100002
Citation statistics
Cited Times:13[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/6746
Collection湿法冶金清洁生产技术国家工程实验室
Corresponding AuthorCao, HB
Affiliation1.Chinese Acad Sci, Inst Proc Engn, Key Lab Green Proc & Engn, Beijing 100049, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Li, Haibo,Cao, Hongbin,Li Yuping,et al. Reduction Kinetics of Chromium(VI) by S(-II) in Alkalescent Aqueous Media[J]. ENVIRONMENTAL ENGINEERING SCIENCE,2009,26(2):263-267.
APA Li, Haibo,Cao, Hongbin,Li Yuping,Dai, Haobo,Zhang, Yi,&Cao, HB.(2009).Reduction Kinetics of Chromium(VI) by S(-II) in Alkalescent Aqueous Media.ENVIRONMENTAL ENGINEERING SCIENCE,26(2),263-267.
MLA Li, Haibo,et al."Reduction Kinetics of Chromium(VI) by S(-II) in Alkalescent Aqueous Media".ENVIRONMENTAL ENGINEERING SCIENCE 26.2(2009):263-267.
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