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| 电化学溶解铑粉工艺条件研究 |
| Study on Electrochemical Dissolution Technological Conditions of Rhodium Powder |
| Received:June 27, 2018 |
| DOI： |
| 中文关键词: 铑粉 电化学溶解 液固比 电极直径 |
| 英文关键词: rhodium powder electrochemical dissolution liquid-solid ratio electrode diameter |
| 基金项目: |
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| 中文摘要: |
| 铑的高效快速溶解是其冶金领域的关键环节，并且是公认的技术难题。研究了电化学溶解铑的工艺，探索了液固比、电极直径大小、反应液中铑浓度对铑粉溶解速率的影响。结果表明，合理的液固比为15~90 mL/g；电极直径越大铑粉溶解速度越快；铑浓度过高抑制铑粉的溶解。在最佳反应条件下铑粉溶解速率为1 g/h。 |
| 英文摘要: |
| The high efficient and quick dissolution of rhodium is a key part and a recognized technical problem in the field of rhodium metallurgy. The process of dissolving rhodium by electrochemical method was studied. Effects of factors, such as the liquid-solid ratio, the diameter of the electrode and the concentration of rhodium in solution on rhodium dissolution rate were investigated. The experimental results show that, the ratio of liquid-solid ratio is reasonable between 15~90 mL/g, the dissolution rate of rhodium powders is positive correlated with the electrode diameter and is negative correlated with the rhodium concentration. Under the optimum reaction conditions, the dissolution rate is 1 g/h |
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