The solid-liquid separation behaviors of the typical leach slurries in the alkaline processes for alumina
Zhang, Zehao1,2,3; Chen, Fangfang2; Cao, Shaotao2; Zhang, Yi2
2017-05-01
发表期刊HYDROMETALLURGY
ISSN0304-386X
卷号169页码:229-238
摘要The filtration kinetics and the cake properties of the alumina leach slurry were investigated. Four kinds of alumina leach slurry were prepared by the hydro-chemical process to treat the bauxite, the Bayer process, the Bayer process with less lime, and the hydro-chemical process to treat the Bayer red mud. The filtration kinetics was regressed by filtration test method at constant pressure. The diversity of the solid-liquid separation behaviors indicates that the digestion conditions play an important role in the filtration process. The composition and phase, the size distribution, the shape and the surface properties of the solid particles as well as the viscosity of filtrate were measured, and their effects on the filtration resistance and the cake compressibility were confirmed. Results indicate that the fine size and the broad size distribution of the particles lead to a high cake resistance. And the substances containing Fe or Ti exhibit a noticeable influence on the cake characteristics. Methods of filtration optimization through changing digestion conditions were recommended. (C) 2017 Elsevier B.V. All rights reserved.
关键词Alumina Leaching Filtration Kinetics Cake Resistance Cake Compressibility Fine Particle
文章类型Article
WOS标题词Science & Technology ; Technology
DOI10.1016/j.hydromet.2017.02.001
收录类别SCI
语种英语
关键词[WOS]SPENT BAYER LIQUOR ; SODIUM ALUMINATE ; PRESSURE FILTRATION ; RED MUD ; SODALITE ; TRANSFORMATION ; DESILICATION ; CHEMISTRY ; RECOVERY ; BAUXITE
WOS研究方向Metallurgy & Metallurgical Engineering
WOS类目Metallurgy & Metallurgical Engineering
项目资助者National Basic Research Program of China (973 program)(2013CB632601) ; National Natural Science Foundation of China(51674233) ; Guangxi Natural Science Foundation(2016GXNSFEA380002)
WOS记录号WOS:000401878200028
引用统计
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/22654
专题湿法冶金清洁生产技术国家工程实验室
作者单位1.Tianjin Univ, Sch Chem Engn, Tianjin 300072, Peoples R China
2.Chinese Acad Sci, Inst Proc Engn, Key Lab Green Proc & Engn, Natl Engn Lab Hydromet Cleaner Prod Technol, Beijing 100190, Peoples R China
3.Natl Engn Res Ctr Distillat Technol, Tianjin 300072, Peoples R China
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Zhang, Zehao,Chen, Fangfang,Cao, Shaotao,et al. The solid-liquid separation behaviors of the typical leach slurries in the alkaline processes for alumina[J]. HYDROMETALLURGY,2017,169:229-238.
APA Zhang, Zehao,Chen, Fangfang,Cao, Shaotao,&Zhang, Yi.(2017).The solid-liquid separation behaviors of the typical leach slurries in the alkaline processes for alumina.HYDROMETALLURGY,169,229-238.
MLA Zhang, Zehao,et al."The solid-liquid separation behaviors of the typical leach slurries in the alkaline processes for alumina".HYDROMETALLURGY 169(2017):229-238.
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