| Issue |
Metall. Res. Technol.
Volume 115, Number 2, 2018
|
|
|---|---|---|
| Article Number | 210 | |
| Number of page(s) | 7 | |
| DOI | https://doi.org/10.1051/metal/2017107 | |
| Published online | 28 February 2018 | |
Regular Article
Research on the compressive strength of basic magnesium salts and cyanide slag solidified body
1
State Key Laboratory of Multiphase Complex Systems, Institute of Process Engineering, Chinese Academy of Sciences,
Beijing
100190, PR China
2
University of Chinese Academy of Sciences,
Beijing
100049, PR China
* email: sfye@ipe.ac.cn
Received:
17
May
2017
Accepted:
19
December
2017
The solidification of cyanide slag by using basic magnesium salts could reduce pollution and protect the environment. Experiments were carried out to investigate the effects of age, mixing amount of cyanide slag, water cement ratio and molar ratio of MgO to MgSO4 on the compressive strength of basic magnesium salts and cyanide slag solidified body in the present paper. It was found that compressive strength of solidified body increased with the increase of age, and decreased with the increase of mixing amount of cyanide slag and water cement ratio. The molar ratio of MgO to MgSO4 should be controlled in the range from 9 to 11 when the mixing amount of cyanide slag was larger than 80 mass%.
Key words: Basic magnesium salts / cyanide slag / solidified body / compressive strength
© EDP Sciences, 2018
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