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Potential-pH diagrams of Cr-H2O system at elevated temperatures
Alternative TitleTrans. Nonferrous Met. Soc. China
You Hai-xia1,2; Xu Hong-bin1; Zhang Yi1; Zheng Shi-li1; Gao Yi-ying1
2010-05-01
Source PublicationTRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA
ISSN1003-6326
Volume20Issue:增刊 1Pages:S26-S31
AbstractThe potential-pH diagrams of the Cr-H2O system at temperatures of 298, 323, 373 and 423 K were established through thermodynamic calculation with coupling of experimental results. The potential-pH diagram at 298 K agrees well with the previously reported results. Based on the potential pH diagrams of the Cr-H2O and Fe-H2O systems, IR spectra and XRD pattern, the existence forms of iron in the potassium chromate were analyzed, and the methods of iron removal were investigated. The results show that the existence forms of iron in the potassium chromate are potassium ferrate. These results are instructive and helpful to the hydrometallurgical processing of chromite ore.; The potential-pH diagrams of the Cr-H2O system at temperatures of 298, 323, 373 and 423 K were established through thermodynamic calculation with coupling of experimental results. The potential-pH diagram at 298 K agrees well with the previously reported results. Based on the potential pH diagrams of the Cr-H2O and Fe-H2O systems, IR spectra and XRD pattern, the existence forms of iron in the potassium chromate were analyzed, and the methods of iron removal were investigated. The results show that the existence forms of iron in the potassium chromate are potassium ferrate. These results are instructive and helpful to the hydrometallurgical processing of chromite ore.
KeywordCr-h2o System Thermodynamic Calculation Potential-ph Diagram Iron Removal Potassium Chromate
SubtypeArticle
WOS HeadingsScience & Technology ; Technology
URL查看原文
Indexed BySCI
Language英语
WOS KeywordTHERMODYNAMIC PROPERTIES ; STABILITY DIAGRAMS ; CHROMIUM ; METAL
WOS Research AreaMetallurgy & Metallurgical Engineering
WOS SubjectMetallurgy & Metallurgical Engineering
WOS IDWOS:000278706500005
Citation statistics
Cited Times:9[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/11592
Collection研究所(批量导入)
Affiliation1.Natl Engn Lab Hydromet Cleaner Prod Technol, Beijing 100190, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
Recommended Citation
GB/T 7714
You Hai-xia,Xu Hong-bin,Zhang Yi,et al. Potential-pH diagrams of Cr-H2O system at elevated temperatures[J]. TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA,2010,20(增刊 1):S26-S31.
APA You Hai-xia,Xu Hong-bin,Zhang Yi,Zheng Shi-li,&Gao Yi-ying.(2010).Potential-pH diagrams of Cr-H2O system at elevated temperatures.TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA,20(增刊 1),S26-S31.
MLA You Hai-xia,et al."Potential-pH diagrams of Cr-H2O system at elevated temperatures".TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA 20.增刊 1(2010):S26-S31.
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