CAS OpenIR  > 湿法冶金清洁生产技术国家工程实验室
Desiliconization reaction in sodium aluminate solution by adding tricalcium hydroaluminate
Yuan, Jiongliang1,2; Zhang, Yi2; Yuan, JL
2009
Source PublicationHYDROMETALLURGY
ISSN0304-386X
Volume95Issue:1-2Pages:166-169
AbstractThe desiliconization reaction in sodium aluminate solution was studied by adding tricalcium hydroaluminate (C(3)AH(6)). C(3)AH(6) prepared at 323 K has a relatively high desiliconization capacity. Kinetic results show that the desiliconization reaction is first-order in SiO(2) concentration, and the apparent activation energy is estimated to be 96 kJ/mol between 363 and 393 K, which is lower than that from adding Ca(OH)(2). During the desiliconization process, SiO(2)(OH)(2)(-) ions enter the interior of C(3)AH(6) particles and react with them further. As a result, the distribution Of SiO(2) in the desiliconization product (DSP) is more uniform than that from adding CaO. Also, the SiO(2) content in DSP is higher. (C) 2008 Elsevier B.V. All rights reserved.
KeywordDesiliconization Aluminate Solution Tricalcium Hydroaluminate Reaction Kinetics Mechanism
SubtypeArticle
WOS HeadingsScience & Technology ; Technology
DOI10.1016/j.hydromet.2008.02.011
Indexed BySCI
Language英语
WOS Research AreaMetallurgy & Metallurgical Engineering
WOS SubjectMetallurgy & Metallurgical Engineering
WOS IDWOS:000262156300027
Citation statistics
Cited Times:14[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/6781
Collection湿法冶金清洁生产技术国家工程实验室
Corresponding AuthorYuan, JL
Affiliation1.Beijing Univ Chem Technol, Dept Environm Sci & Engn, Beijing 100029, Peoples R China
2.Chinese Acad Sci, Inst Proc Engn, Beijing 100080, Peoples R China
Recommended Citation
GB/T 7714
Yuan, Jiongliang,Zhang, Yi,Yuan, JL. Desiliconization reaction in sodium aluminate solution by adding tricalcium hydroaluminate[J]. HYDROMETALLURGY,2009,95(1-2):166-169.
APA Yuan, Jiongliang,Zhang, Yi,&Yuan, JL.(2009).Desiliconization reaction in sodium aluminate solution by adding tricalcium hydroaluminate.HYDROMETALLURGY,95(1-2),166-169.
MLA Yuan, Jiongliang,et al."Desiliconization reaction in sodium aluminate solution by adding tricalcium hydroaluminate".HYDROMETALLURGY 95.1-2(2009):166-169.
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