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题名: The role of some special ions in the flotation separation of pentlandite from lizardite
作者: Cao, J; Hu, XQ; Luo, YC; Qi, L; Xu, GQ; Xu, PF(许鹏飞)
收录类别: SCIE ; EI
出版日期: 2016-02-05
刊名: COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
卷号: 490, 页码:173-181
英文摘要: In this work, the flotation of pentlandite/lizardite system was studied in deionized water, brine and solutions containing some special "constitution ions" with different ionic strengths, respectively. The flotation results show that the "constitution ions" significantly improve the recovery efficiency of pentlandite compared with deionized water or brine. The possible mechanisms responsible for the improved flotation separation in these special solutions are investigated by electrokinetic studies, scanning electronic microscopy (SEM) analysis and size distribution tests. Experimental results demonstrate that the reconstitution of electrical double layer mitigates the coating of lizardite particles on pentlandite surfaces and induces the aggregation of lizardite particles for the enhanced recovery of pentlandite. (C) 2015 Elsevier B.V. All rights reserved.
关键词: Surface characteristics ; Constitution ions ; Pentlandite ; Flotation separation
作者部门: [Xu, Peng-Fei] Lanzhou Univ, State Key Lab Appl Organ Chem, Lanzhou 730000, Peoples R China ; Lanzhou Univ, Coll Chem & Chem Engn, Lanzhou 730000, Peoples R China
通讯作者: Xu, PF (reprint author), Lanzhou Univ, State Key Lab Appl Organ Chem, Lanzhou 730000, Peoples R China.
学科分类: Chemistry
文章类型: Article
所属项目编号: International S&T Cooperation Program of China [2013DFR70580]
所属项目名称: 国家国际科技合作专项
项目资助者: MOST
语种: 英语
DOI: 10.1016/j.colsurfa.2015.11.050
ISSN号: 0927-7757
WOS记录号: WOS:000367233200020
EI记录号: 20155001666508
IR记录号: WOS:000367233200020
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内容类型: 期刊论文
URI标识: http://ir.lzu.edu.cn/handle/262010/180336
Appears in Collections:化学化工学院_期刊论文

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Recommended Citation:
Cao, J,Hu, XQ,Luo, YC,et al. The role of some special ions in the flotation separation of pentlandite from lizardite[J]. COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS,2016,490:173-181.
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