Electrokinetic and flotation behavior of rutile in the presence of lead ions and aluminium ions

被引：4

作者：

Cheng, Hongwei ^{[1
,2
,3
,4
]}

Liu, Changmiao ^{[1
,2
,3
]}

Guo, Zhenxu ^{[1
,2
,3
]}

Feng, Ansheng ^{[1
,2
,3
]}

Wei, Min ^{[1
,2
,3
]}

Lv, Zihu ^{[1
,2
,3
]}

Wu, Dongyin ^{[1
,2
,3
]}

Zhao, Dengkui ^{[1
,2
,3
]}

机构：

[1] CAGS, Zhengzhou Inst Multipurpose Utilizat Mineral Reso, Zhengzhou 450006, Henan, Peoples R China

[2] Minist Nat Resources, Key Lab Evaluat & Multipurpose Utilizat Polymetal, Zhengzhou 450006, Henan, Peoples R China

[3] China Natl Engn Res Ctr Utilizat Ind Minerals, Zhengzhou 450006, Henan, Peoples R China

[4] Minist Land & Resource, Key Lab Radioact & Rare Scattered Mineral Compreh, Shaoguan 512026, Peoples R China

来源：

PHYSICOCHEMICAL PROBLEMS OF MINERAL PROCESSING | 2019年 / 55卷 / 02期

关键词：

lead ions; aluminium ions; rutile; flotation; ACTIVATION MECHANISM; ADSORPTION; QUARTZ; SMITHSONITE; COLLECTOR; OLEATE; ACID;

D O I：

10.5277/ppmp18154

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：

The effects of Pb(II) ions and Al(III) ions on the electro kinetic and flotation behavior of rutile were investigated by micro-flotation tests, zeta potential measurements and solution chemistry analysis. Micro-flotation results indicate that the Pb(II) ions can effectively improve the flotation recovery of rutile while the Al(III) ions significantly inhibit the flotation of rutile. Zeta potential measurements reveal that a collector styrene phosphoric acid (SPA) can adsorb on the rutile surface after the addition of Pb(II) ions, but hardly adsorb on the rutile surface after the addition of Al(III) ions. Pb(II) ions adsorb on the rutile surface in the form of Pb(OH)(+) and Pb(OH)(2(s)), and the latter one is the main reason that activates rutile flotation. Al(III) ions adsorb on the rutile surface mainly in the form of Al(OH)(3(s)), which prevent the direct interaction between the rutile and the collector, resulting in a decrease of rutile flotation recovery.

引用

页码：458 / 466

页数：9

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