Leaching of Copper, Cobalt, and Nickel from Complex Ore

被引：1

作者：

Hara, Yotamu R. S. ^{[1
]}

Kaluba, Golden ^{[1
]}

Musowoya, Douglas ^{[1
]}

Chikontwe, Kennedy ^{[1
]}

Muchindu, Choolwe ^{[1
]}

Simfukwe, Haggai ^{[1
]}

Chanda, Tina Phiri ^{[1
]}

Parirenyatwa, Stephen ^{[1
]}

机构：

[1] Copperbelt Univ, POB 21692, Kitwe, Zambia

来源：

CHARACTERIZATION OF MINERALS, METALS, AND MATERIALS 2020 | 2020年

关键词：

Heterogenite; Copper; Cobalt; Nickel and leaching;

D O I：

10.1007/978-3-030-36628-5_21

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The paper focuses on leaching of complex copper-cobalt-nickel ore from Mwinilunga district in Zambia, containing 0.6% Cu, 0.21% Co, 2.6% Fe, and 0.13% Ni. Mineralogical examination of the ore using scanning electronmicroscope (SEM) showed that copper, cobalt, and nickel exist in fine particles of heterogenite and limonite mineral phases. The effects of leaching temperature, pH, and sodium metabisulphate (SMBS) addition were studied. The optimal conditions were found as follows: leaching temperature of 65-75 degrees C, leaching time of 1 h, and SMBS addition at 0.6 wt%. Copper, cobalt, and nickel were recovered from the leach solution via precipitation with sodium sulphide and magnesium oxide. Sodium sulphide was more selective than magnesium oxide.

引用

页码：227 / 236

页数：10

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