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| Study on Flocculation Settling Effect of Slurry of Zinc Hydrometallurgy |
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Received:May 07, 2018
Revised:May 09, 2018
Accepted:May 11, 2018
Published Online:September 19, 2018
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| DOI：doi：10.3969/j.issn.1007-7545.2018.10.001 |
| KeyWord:zinc hydrometallurgy; slurry; liquid-solid separation; flocculation settling |
| Author | Institution |
| CHEN Xian-you |
云锡文山锌铟冶炼有限公司 |
| ZHU Bei-ping |
云锡文山锌铟冶炼有限公司 |
| CHEN Gang |
云锡文山锌铟冶炼有限公司 |
| YAO Ying-xiong |
云锡文山锌铟冶炼有限公司 |
| DENG Zhi-gan |
昆明理工大学 |
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| Abstract: |
| Flocculation settling test was conducted for various slurries in zinc hydrometallurgy. The test included neutral leaching, low acid leaching, reduction leaching of residues, and iron removal with hematite precipitation. Effects of molecular structure, molecular weight, preparation concentration, dosage and feeding method of flocculant, and temperature, pH value, solid content and colloid content of slurry on flocculation settling were comprehensively analyzed. Flocculants are selected according to properties of pulp. Proper controlling measurements are adopted to optimize flocculation and sedimentation of slurry and achieve good liquid-solid separation and economic benefits. |
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