含砷电积脱铜液制备三氧化二砷的工艺研究

Hunan Nonferrous Metals(2019)

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Abstract
以含砷电积脱铜液为研究对象,采用SO2还原其中的As(V)制备As2O3,实现有价元素的回收.结果 表明:反应温度为60℃、酸浓度18.00%、反应时间3h,SO2通人量20 L/h条件下,As2O3纯度为99.63%,As2O3直收率为88.05%,还原反应SO2利用率为35.85%.
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