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首页> 外文期刊>Journal of industrial and engineering chemistry >Optimization of removal of lead from bearing-lead anode slime
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Optimization of removal of lead from bearing-lead anode slime

机译：从轴承铅阳极泥中去除铅的优化

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摘要

An optimization process is conducted by the Taguchi experimental design method for removal of lead from decopperized anode slime in aqueous Na2CO3/HNO3 media. The effects of parameters such as reaction temperature, Na2CO3 concentration, solid-liquid ratio and reaction period on the conversion are studied. It is seen that the most important parameters affecting the conversion of lead sulphate to lead carbonate are solid-liquid ratio and reaction period. The optimum conversion conditions for process are found to be solid-liquid ratio of 0.05 g/mL, reaction period of 600 s, reaction temperature of 50 °C and Na2CO3 concentration of 2 M. Under optimal conditions, the experimental results put out that the conversion of lead sulphate at the 95% confidence level can be 97%, approximately.
机译：通过Taguchi实验设计方法进行了优化过程，以从Na2CO3 / HNO3水溶液中的脱铜阳极泥中除去铅。研究了反应温度，Na2CO3浓度，固液比和反应时间等参数对转化率的影响。可以看出，影响硫酸铅向碳酸铅转化的最重要的参数是固液比和反应时间。发现该工艺的最佳转化条件为固液比为0.05 g / mL，反应时间为600 s，反应温度为50°C，Na2CO3浓度为2M。在最佳条件下，实验结果表明：置信水平为95％时，硫酸铅的转化率约为97％。

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