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Elucidation of the structures of aluminate ions during the dissolution of gibbsite in choline and verification of hydrated ion model

文献类型：期刊论文

作者Guo, Jianwei1,2,3; Shi, Zhihao2,3; Cui, Zhenjie1,2,3; Wang, Zhi1,2,3; Cao, Jianwei2,3; Gong, Xuzhong1,2,3
刊名CHEMICAL PHYSICS LETTERS
出版日期2021-05-16
卷号771页码:6
关键词Hydrated ion model Equilibrium solubility Conductivity Aluminates structure Organic alkali
ISSN号0009-2614
DOI10.1016/j.cplett.2021.138484
英文摘要The equilibrium solubility of gibbsite in choline was measured and thee quilibrium constant was obtained. Gibbsite was more likely to dissolve in choline compared with NaOH and the dissolution enthalpy was 17.845 kJ/mol. Ion solvation model which can express the equilibrium solubility within the entire alkali concentration range was established and verified by measuring conductivity, solubility parameters. The hydration ion number was obtained 4.83 at 70 ?C which was reasonable. The ionic composition of the aluminate solution was studied in choline. With the increase of alkali concentration, Al(OH)5- and double oxygen bridged dimer Al2O8H64- appear and coexist with tetracoordinated Al(OH)4- .
资助项目National Key R&D Program of China[2018YFC1901801] ; National Natural Science Foundation of China[51974286]
WOS研究方向Chemistry ; Physics
语种英语
WOS记录号WOS:000641460700001
出版者ELSEVIER
资助机构National Key R&D Program of China ; National Natural Science Foundation of China
源URL[http://ir.ipe.ac.cn/handle/122111/48541]  
专题中国科学院过程工程研究所
通讯作者Wang, Zhi
作者单位1.Univ Chinese Acad Sci, Sch Chem Engn, Beijing 100049, Peoples R China
2.Chinese Acad Sci, Inst Proc Engn, Natl Engn Lab Hydromet Cleaner Prod Technol, Key Lab Green Proc & Engn, Beijing 100190, Peoples R China
3.Chinese Acad Sci, Innovat Acad Green Mfg, Beijing 100190, Peoples R China
推荐引用方式
GB/T 7714		 Guo, Jianwei,Shi, Zhihao,Cui, Zhenjie,et al. Elucidation of the structures of aluminate ions during the dissolution of gibbsite in choline and verification of hydrated ion model[J]. CHEMICAL PHYSICS LETTERS,2021,771:6.
APA Guo, Jianwei,Shi, Zhihao,Cui, Zhenjie,Wang, Zhi,Cao, Jianwei,&Gong, Xuzhong.(2021).Elucidation of the structures of aluminate ions during the dissolution of gibbsite in choline and verification of hydrated ion model.CHEMICAL PHYSICS LETTERS,771,6.
MLA Guo, Jianwei,et al."Elucidation of the structures of aluminate ions during the dissolution of gibbsite in choline and verification of hydrated ion model".CHEMICAL PHYSICS LETTERS 771(2021):6.

入库方式： OAI收割

来源：过程工程研究所

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