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| Experimental Investigation on Cooperative Smelting of Nickel-based Multi-source Solid Waste |
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Received:November 25, 2021
Revised:November 25, 2021
Accepted:December 07, 2021
Published Online:March 15, 2022
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| DOI：doi：10.3969/j.issn.1007-7545.2022.04.005 |
| KeyWord:spent hydrodesulphurization catalysts; spent automotive catalysts; lateritic nickel ore; co-processing; reduction smelting |
| Author | Institution |
| WANG Zih-ao |
矿冶科技集团有限公司 |
| WANG Hai-bei |
矿冶科技集团有限公司 |
| JIE Xiao-wu |
矿冶科技集团有限公司 |
| YANG Bi-wen |
矿冶科技集团有限公司 |
| WANG De-qing |
矿冶科技集团有限公司 |
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| Abstract: |
| Spent hydrodesulphurization catalysts and spent automotive catalysts were used as raw materials to recover valuable metals from multi-source spent catalysts by reduction smelting applying laterite nickel ore to adjust slag composition. Effect of various conditions on recovery rate of valuable metals was systematically researched. The comprehensive experiment results show that recovery of Ni, Mo, V calculated by slag is 96.82%, 96.66% and 89.69%, respectively, and the recovery of Pt, Pd, Rh is 90.19%, 98.00% and 94.85%, respectively, under the optimum conditions including mass ratio of ore to spent catalysts of 1.5︰1, mass ratio of CaO to spent catalysts of 7.5%, smelting temperature of 1 525 ℃, and smelting time of 2 h. This process realizes the purpose of co-processing of primary ore and multi-source solid wastes to recover valuable metals. |
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