Improving copper recovery from oxide sources in flotation process using sodium dodecyl sulfate modified ZnO nanoparticles as new collector

被引：0

作者：

Eskandari, Mehdi ^{[1
,2
]}

Fakhroueian, Zahra ^{[2
]}

Dastjerdi, Mehdi ^{[1
]}

Bahri, Zahra ^{[3
]}

Kaman, Mahsa ^{[1
]}

机构：

[1] Acad Ctr Educ Culture & Res ACECR TMU, Nanomat Res Grp, Tehran, Iran

[2] Univ Tehran, Sch Chem Engn Nanotechnol, Coll Engn, Inst Petr Engn IPE, Tehran, Iran

[3] ACECR Tarbiat Modares, Dept Control & Modeling Mineral Proc Syst, Inst Mineral Proc, Tehran, Iran

来源：

CHEMICAL PAPERS | 2021年 / 75卷 / 08期

关键词：

ZnO nanoparticles; Recovery; Flotation; Copper oxide-sulfide; Collector; ANIONIC SURFACTANTS; STABILIZATION; ADSORPTION; KINETICS;

D O I：

10.1007/s11696-021-01677-w

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

This study aims to investigate the best route to increase the recovery of oxide-sulfide copper ore. Among various methods, using nanoparticles is more desirable because of their high efficiency. So, ZnO nanoparticles were synthesized and surface modified via anionic sodium dodecyl sulfate (SDS) surfactants. The results showed a recovery increased increase from 27.37 to 38% using the ZnO nanoparticles. Moreover, it was observed that changing pH could leads to some changes in the recovery value. According to the results, because of changing the surface charge of ZnO nanoparticles with pH and anionic SDS, the recovery will vary in various PH values. Besides, it was found that increasing the concentration of nanoparticles modified with SDS (from 2.25 to 7.5 ml) leads to an increase in the recovery (from 77 to 88%), indicating the synergistic effect of SDS on nanoparticles.

引用

收藏

页码：4371 / 4379

页数：9

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