Flotation separation of scheelite from calcite using mixed collectors

被引：40

作者：

Yan, Weiping ^{[1
]}

Liu, Cheng ^{[2
]}

Ai, Guanghua ^{[3
]}

Feng, Qiming ^{[2
]}

Zhang, Wencai ^{[4
]}

机构：

[1] Chinese Acad Geol Sci, Inst Multipurpose Utilizat Mineral Resources, Chengdu 610041, Sichuan, Peoples R China

[2] Cent S Univ, Sch Mineral Proc & Bioengn, Changsha 410083, Hunan, Peoples R China

[3] Jiangxi Univ Sci & Technol, Jiangxi Key Lab Min Engn, Ganzhou 341000, Jiangxi, Peoples R China

[4] Univ Kentucky, Dept Min Engn, 504 Rose St,230 Min & Mineral Resources Bldg, Lexington, KY 40506 USA

来源：

INTERNATIONAL JOURNAL OF MINERAL PROCESSING | 2017年 / 169卷

关键词：

Scheelite; Calcite; Mixed collectors; Flotation separation; FATTY-ACID ADSORPTION; SELECTIVE FLOTATION; CATIONIC FLOTATION; MINERAL FLOTATION; SODIUM OLEATE; APATITE; BEHAVIOR; MECHANISM; FLUORITE; BENEFICIATION;

D O I：

10.1016/j.minpro.2017.10.009

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

Flotation separation of scheelite from calcite is difficult due to the similarities in their surface properties. In this work, the flotation behavior of scheelite and calcite using oxidized paraffin soap (OPS), benzohydroxamic acid (BHA) and the mixed OPS/BHA collectors was investigated through micro-flotation experiments. The flotation results of single mineral experiments demonstrated a higher selectivity for the flotation of scheelite from calcite at pH 9 than individual OPS and BHA when using water glass as depressant. In order to probe the validity of the findings, mixed binary minerals experiments, contact angle and zeta potential experiments were also carried out successfully. (C) 2017 Elsevier B.V. All rights reserved.

引用

页码：106 / 110

页数：5

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