Boehmite Preparation via Alditols-Interacting Transformation of Metastable Intermediates in Al-H2O Reaction Crystallization
Wang, Hongqi; Wang, Zhi; Guo, Jianwei; Shi, Zhihao; Gong, Xuzhong; Cao, Jianwei
2017
发表期刊CRYSTAL GROWTH & DESIGN
ISSN1528-7483
卷号17期号:1页码:183-190
摘要

Boehmite was prepared efficiently by adding alditols to Al-H2O reaction crystallization in moderate condition. We demonstrate that it is the interaction between alditols and metastable intermediates that inhibits the decomposition of aluminate ions into gibbsite and favors the formation of boehmite rather than the blocking of gibbsite growth sites as reported :in the previous investigations. The analysis of the crystal formation process shows that the alditols play a role before the nucleation. The interaction simulated by density functional theory and the local hard and soft,. acids and bases theory suggests that the metastable intermediates act as soft bases, while the alditols play the role of acids in the interaction, and the higher the alditols' softness, the stronger the inhibiting effect. The configuration of the interacting metastable intermediates and alditols was also verified by the comparison of both experimental and computational Fourier transform infrared spectra.

文章类型Article
WOS标题词Science & Technology ; Physical Sciences ; Technology
DOI10.1021/acs.cgd.6b01408
收录类别SCI
语种英语
关键词[WOS]Alumina ; Gibbsite
WOS研究方向Chemistry ; Crystallography ; Materials Science
WOS类目Chemistry, Multidisciplinary ; Crystallography ; Materials Science, Multidisciplinary
项目资助者National Natural Science Foundation of China(51422405 ; 51374192)
WOS记录号WOS:000391417300025
引用统计
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/21869
专题湿法冶金清洁生产技术国家工程实验室
作者单位Chinese Acad Sci, Inst Proc Engn, Natl Engn Lab Hydromet Cleaner Prod Technol, Beijing 100190, Peoples R China
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Wang, Hongqi,Wang, Zhi,Guo, Jianwei,et al. Boehmite Preparation via Alditols-Interacting Transformation of Metastable Intermediates in Al-H2O Reaction Crystallization[J]. CRYSTAL GROWTH & DESIGN,2017,17(1):183-190.
APA Wang, Hongqi,Wang, Zhi,Guo, Jianwei,Shi, Zhihao,Gong, Xuzhong,&Cao, Jianwei.(2017).Boehmite Preparation via Alditols-Interacting Transformation of Metastable Intermediates in Al-H2O Reaction Crystallization.CRYSTAL GROWTH & DESIGN,17(1),183-190.
MLA Wang, Hongqi,et al."Boehmite Preparation via Alditols-Interacting Transformation of Metastable Intermediates in Al-H2O Reaction Crystallization".CRYSTAL GROWTH & DESIGN 17.1(2017):183-190.
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