Investigation of Hypergene Processes in Copper and Nickel Sulphide Ore Concentrating Tailings

被引：0
|
作者：
Kalinnikov, V. T. [1 ]
Makarov, V. N. [1 ]
Mazukhina, S. I. [2 ]
Makarov, D. V. [1 ]
Masloboev, V. A. [2 ]
机构：
[1] Russian Acad Sci, Inst Chem & Technol Rare Elements & Mineral Raw M, Kola Sci Ctr, Ul Fersmana 26a, Apatity 184209, Russia
[2] Russian Acad Sci, Inst North Ind Ecol Problems, Kola Sci Ctr, Apatity 184200, Russia
来源：
CHEMISTRY FOR SUSTAINABLE DEVELOPMENT | 2005年 / 13卷 / 04期
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中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Hypergene processes in the waste products of concentration of copper and nickel ores (tailing dumps in the Afrikanda settlement, Murmansk Region) were investigated by means of physicochemical modelling using the Selektor software. New formations in the solid phase are represented by goethite (over sulphides) and three-layered layered silicates. The appearance of gypsum is observed in the case of substantial interaction. The concentration of nickel in the pore fluid exceeds the MPC even under a 0.01 % change in volume. The results indicate that the concentrations of heavy metals are rather high in pore fluid, though its pH is higher than 8 as a mean in all the samples, which brings real danger to the environment.
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页码：515 / 519
页数：5
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