采用热力学模拟计算软件Factsage,对废旧铝壳锂离子电池FeO-SiO2-Al2O3渣型还原熔炼的氧分压、熔炼温度、造渣剂用量等“条件窗口”进行了理论预测计算,然后进行了试验验证.试验结果与理论预测值吻合很好.合理的“条件窗口”为:温度1 450℃,炉渣组成m(FeO)/m (SiO2) =0.58～1.03、Al2O3质量分数为17％～21.5％,最佳条件下,Co、Ni、Cu回收率分别为98.82％、98.39％、93.56％.
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