Structure transformation of sodium aluminosilicates as desilication agents in the desilication of highly alkaline sodium aluminate solution containing silica
Chen, Fang-Fang1; Zhang, Yi-Fei1; Jiang, Xiao-Duo1,2; Cao, Shao-Tao1; You, Shao-Wei1,2; Zhang, Yi1
2016-11-15
发表期刊MICROPOROUS AND MESOPOROUS MATERIALS
ISSN1387-1811
卷号235期号:NOV页码:224-232
摘要

Sodalite-type seeds are proved as efficient desilication agents for desilication in highly alkaline silica containing sodium aluminate solution. The structure information of desilicaiton agents from different synthesis conditions and desilication products were studied by means of measurements such as XRD, FTIR, Si-29 MAS NMR, Al-22 MAS NMR and so on. The desilication result shows that the final concentration of SiO2 was efficiently decreased below 2 g/L from the initial silica concentration of 5 g/L under highly alkaline condition (C-Na2O > 500 g/L). The stability of sodalite-type desilication agent in highly alkaline sodium aluminate solution provides the possibility to recycle the desilication agent in production of alumina industry. (C) 2016 Elsevier Inc. All rights reserved.

关键词Structure Transformation Sodium Aluminosilicate Desilication Agent Highly Alkaline Recycling Of Desilication
文章类型Article
WOS标题词Science & Technology ; Physical Sciences ; Technology
DOI10.1016/j.micromeso.2016.08.011
收录类别SCI
语种英语
关键词[WOS]RESOLUTION AL-27 NMR ; SPENT BAYER LIQUOR ; SPECTROSCOPY ; KINETICS ; DEHYDRATION ; SOLUBILITY ; SODALITE ; NA-23
WOS研究方向Chemistry ; Science & Technology - Other Topics ; Materials Science
WOS类目Chemistry, Applied ; Chemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary
项目资助者National Natural Science Foundation of China(21101159) ; National Basic Research Program of China (973 program)(2013CB632601) ; National High Technology Research and Development Program of China (863 Program)(2011AA060701)
WOS记录号WOS:000383937100024
引用统计
被引频次:3[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/21470
专题湿法冶金清洁生产技术国家工程实验室
作者单位1.Chinese Acad Sci, Inst Proc Engn, Key Lab Green Proc & Engn, Natl Engn Lab Hydromet Cleaner Prod Technol, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
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GB/T 7714
Chen, Fang-Fang,Zhang, Yi-Fei,Jiang, Xiao-Duo,et al. Structure transformation of sodium aluminosilicates as desilication agents in the desilication of highly alkaline sodium aluminate solution containing silica[J]. MICROPOROUS AND MESOPOROUS MATERIALS,2016,235(NOV):224-232.
APA Chen, Fang-Fang,Zhang, Yi-Fei,Jiang, Xiao-Duo,Cao, Shao-Tao,You, Shao-Wei,&Zhang, Yi.(2016).Structure transformation of sodium aluminosilicates as desilication agents in the desilication of highly alkaline sodium aluminate solution containing silica.MICROPOROUS AND MESOPOROUS MATERIALS,235(NOV),224-232.
MLA Chen, Fang-Fang,et al."Structure transformation of sodium aluminosilicates as desilication agents in the desilication of highly alkaline sodium aluminate solution containing silica".MICROPOROUS AND MESOPOROUS MATERIALS 235.NOV(2016):224-232.
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