A new collector scheme for strengthening ilmenite floatability in acidic pulp

被引：17

作者：

Zhai, Jihua ^{[1
,4
]}

Lu, Xiaolong ^{[1
]}

Chen, Pan ^{[1
,2
,3
]}

Guan, Changping ^{[1
]}

Sun, Wei ^{[1
,2
]}

Chen, Wei ^{[3
]}

机构：

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

[2] Cent S Univ, Key Lab Hunan Prov Clean & Efficient Utilizat Str, Changsha 410083, Hunan, Peoples R China

[3] Hunan Res Inst Nonferrous Met, Changsha 410100, Hunan, Peoples R China

[4] Univ Leeds, Sch Civil Engn, Leeds LS2 9JT, W Yorkshire, England

来源：

JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T | 2019年 / 8卷 / 05期

基金：

中国博士后科学基金;

关键词：

Ilmenite; Decanoic acid; Oleate; Acidic floatability; FLOTATION SEPARATION; DISSOLUTION;

D O I：

10.1016/j.jmrt.2019.07.019

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

For a long time, ilmenite floatability in strongly acidic pulp has not received enough attention, which violates compliance requirements for the industrial production of ilmenite concentrate. In this present study, decanoic acid was found to be an effective collector, to float ilmenite in strongly acidic pulp (especially for the pH range from 3 to 6). The combination of decanoic acid and oleate proved to be significant in improving ilmenite floatability within a broad pH range, and especially at a pH around 4. The most synergistic and effective result occurred when the ratio of decanoic acid and oleate was 1:2, and the difference in flotation recovery of ilmenite and titanaugite was also increased at a pH around 4. Therefore, the collector scheme with a 1:2 ratio of decanoic acid and oleate was significant in strengthening ilmenite flotation behavior and its selective separation. (C) 2019 Published by Elsevier B.V.

引用

页码：5053 / 5056

页数：4

共 13 条

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[8] SCHEELITE FLOTATION - A NEW SCHEME USING OLEOYL SARCOSINE AS COLLECTOR AND ALKYL OXINE AS MODIFIER
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[9] New insights into the mixed anionic/cationic collector adsorption on ilmenite and titanaugite: An in situ ATR-FTIR/2D-COS study
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