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| Pressure Filtration and Cake Washing for Cyanide Removal from All-slime Cyanidation Tailing |
| Received:April 08, 2021 Revised:April 13, 2021 |
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| DOI：doi：10.3969/j.issn.1007-7545.2021.09.012 |
| KeyWord:cyanidation tailing; pressure filtering; cake washing |
| Author | Institution |
| ZHENG Chun-long |
东北大学 |
| CHANG Yong-feng |
东北大学 |
| YUAN Jia-sheng |
东北大学 |
| XIE Min-xiong |
赤峰柴胡栏子黄金矿业有限公司 |
| JIANG Wang |
赤峰柴胡栏子黄金矿业有限公司 |
| XU Guang-pin |
赤峰柴胡栏子黄金矿业有限公司 |
| DONG Guang-qiang |
赤峰柴胡栏子黄金矿业有限公司 |
| LU Dian-kun |
东北大学 |
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| Abstract: |
| Large quantities of cyanide-containing tailings produced in cyanidation processes need to be de-cyanided prior to final disposal. Effects of washing ratio on efficiency of replacement washing of cyanide tailing pressure-filtering cake produced by all-slime cyanidation process were investigated. The results of small-scale laboratory tests show that washing efficiency rises approximately linearly with washing ratio within 2—3. Rising washing ratio beyond three results very limited impact on washing performance. Industrial-scale tests confirm that there is a suitable range for selecting of washing ratio to compromise cyanide washing efficiency and facility utilization. |
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