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| Study on Desulfurization Technology with Copper Smelting Tailings |
| Received:September 06, 2020 Revised:September 18, 2020 |
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| DOI：doi：10.3969/j.issn.1007-7545.2021.01.015 |
| KeyWord:copper smelting tailings; flue gas with low SO2 concentration; oxidation catalysis; desulfurization |
| Author | Institution |
| CAI Bing |
云南锡业股份有限公司铜业分公司;昆明理工大学环境科学与工程学院 |
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| Abstract: |
| Reaction mechanism of copper extraction tailings as desulfurizer for smelting flue gas was studied. Influence of pH value, flue gas flow rate and slurry concentration on flue gas desulfurization was investigated. The experimental results show that copper tailings have strong ability to remove SO2. Desulfurization efficiency can be improved to be about 95% under the optimum conditions including pH value of 1, ratio of solid to liquid of 1︰3, and flue gas flow rate of 400 mL/min below. |
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