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Solubility of the System KOH-K2CrO4-Al2O3-H2O at 150 degrees C in a High Alkali Concentrated Region
Du, Chunhua1,2; Zheng, Shili2; Zhang, Yi2; Du, CH
2012-11-01
Source PublicationJOURNAL OF CHEMICAL AND ENGINEERING DATA
ISSN0021-9568
Volume57Issue:11Pages:2971-2974
AbstractThe phase equilibria for the system KOH-K2CrO4-Al2O3-H2O and its subsystems at 150 degrees C in a high alkali concentrated region were investigated. In the concentrated alkali region of the system and its subsystem KOH-Al2O3-H2O, the equilibrium solid-phase K2O center dot Al2O3 center dot 2H(2)O was found. This is different from the system KOH-Al2O3-H2O at low temperature from which tie equilibrium solid-phase K2O center dot Al2O3 center dot 3H(2)O was discovered. The salting-out effect of KOH and potassium aluminate to K2CrO4 is strong. These findings can provide a significant and precious database for the production of K2CrO4 and the removal of alumina from the concentrated alkali solution that is produced in the chromate cleaner production process.
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
DOI10.1021/je3004782
Indexed BySCI
Language英语
WOS Research AreaChemistry ; Engineering
WOS SubjectChemistry, Multidisciplinary ; Engineering, Chemical
WOS IDWOS:000310768900010
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Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/3174
Collection湿法冶金清洁生产技术国家工程实验室
Corresponding AuthorDu, CH
Affiliation1.Qingdao Agr Univ, Coll Chem & Pharm, Qingdao 266109, Peoples R China
2.Chinese Acad Sci, Inst Proc Engn, Beijing 100080, Peoples R China
Recommended Citation
GB/T 7714
Du, Chunhua,Zheng, Shili,Zhang, Yi,et al. Solubility of the System KOH-K2CrO4-Al2O3-H2O at 150 degrees C in a High Alkali Concentrated Region[J]. JOURNAL OF CHEMICAL AND ENGINEERING DATA,2012,57(11):2971-2974.
APA Du, Chunhua,Zheng, Shili,Zhang, Yi,&Du, CH.(2012).Solubility of the System KOH-K2CrO4-Al2O3-H2O at 150 degrees C in a High Alkali Concentrated Region.JOURNAL OF CHEMICAL AND ENGINEERING DATA,57(11),2971-2974.
MLA Du, Chunhua,et al."Solubility of the System KOH-K2CrO4-Al2O3-H2O at 150 degrees C in a High Alkali Concentrated Region".JOURNAL OF CHEMICAL AND ENGINEERING DATA 57.11(2012):2971-2974.
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