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| Study on Physico-Chemical Property of New Slag Type for Nickel Flash Smelting |
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Received:October 26, 2012
Revised:October 27, 2012
Accepted:October 29, 2012
Published Online:April 23, 2013
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| DOI：10.3969/j.issn.1007-7545.2013.05.002 |
| KeyWord:nickel metallurgy; flash smelting slag; new slag type; melting temperature; viscosity |
| Author | Institution |
| ZHANG Zhenqiang |
西安建筑科技大学 冶金工程学院 |
| ZHAO Junxue |
西安建筑科技大学 冶金工程学院 |
| CUI Yaru |
西安建筑科技大学 冶金工程学院 |
| GAO Xiaoting |
金川有色集团有限公司 镍钴研究院 甘肃 金昌 |
| LU Xiaotao |
西安建筑科技大学 冶金工程学院 |
| WANG Pengfei |
西安建筑科技大学 冶金工程学院 |
| LIANG Hongming |
西安建筑科技大学 冶金工程学院 |
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| Abstract: |
| Iron in nickel and copper slag mostly exists in the form of ferric metasilicate, which is difficult to be reduced and can’t be used as furnace charge directly. Improving content of CaO and reducing content of SiO2 in slag were put forward to create conditions for subsequent iron extraction. Main ingredients phase diagram of JNMC nickel and copper slag was simulation calculated with FactSage software, and the effects of components of slag on physico-chemical properties of smelting slag was investigated by experiments. The results show that the suitable slag type is Fe/SiO2 of 1.5, CaO of 10%~15%, MgO of 9%. |
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