Flotation separation of barite from calcite using acidified water glass as the depressant

被引：43
|
作者：
Deng, Jie [1 ]
Liu, Cheng [2 ,3 ]
Yang, Siyuan [2 ,3 ]
Li, Hongqiang [4 ]
Liu, Yong [5 ]
机构：
[1] Chinese Acad Geol Sci, Inst Multipurpose Utilizat Mineral Resources, Chengdu 610041, Sichuan, Peoples R China
[2] Wuhan Univ Technol, Hubei Key Lab Mineral Resources Proc & Environm, Luoshi Rd 122, Wuhan 430070, Hubei, Peoples R China
[3] Wuhan Univ Technol, Sch Resources & Environm Engn, Wuhan 430070, Hubei, Peoples R China
[4] Wuhan Inst Technol, Sch Xingfa Min Engn, Wuhan 430205, Hubei, Peoples R China
[5] Minist Land & Resources, Key Lab Radioact & Rare Scattered Mineral Compreh, Shaoguan 512026, Guangdong, Peoples R China
来源：
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS | 2019年 / 579卷
基金：
中国博士后科学基金; 中国国家自然科学基金;
关键词：
Barite; Calcite; Depressant; Acidified water glass; Flotation separation; SELECTIVE FLOTATION; 2-PHOSPHONOBUTANE-1,2,4-TRICARBOXYLIC ACID; SODIUM OLEATE; SCHEELITE; SMITHSONITE; ADSORPTION; FLUORITE; LIGNOSULFONATE; COLLECTOR; APATITE;
D O I：
10.1016/j.colsurfa.2019.123605
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Flotation separation of the barite from calcite by adding depressant acidified water glass (AWG) and collector sodium oleate (NaOl) was investigated in this study. The micro-flotation results presented that NaOl has a good collecting ability for both barite and calcite while AWG has the selective depressing ability of calcite. The flotation of artificial mixed minerals confirmed that the separation of barite from calcite could be achieved by using AWG as depressant. Zeta potential revealed that the addition of AWG prior to NaOl prevented the adsorption of NaOl on the surface of calcite while it did not hinder NaOl absorbed on the surface of barite, then causing the different floatability of minerals.
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页数：5
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