水热碱溶法从粉煤灰中浸出镓的研究
Mining and Metallurgical Engineering(2016)
Abstract
采用水热碱溶法从焙烧处理后的粉煤灰中浸出镓,研究了反应温度、钙硅比、碱液浓度、液固比、反应时间等因素对镓浸出效果的影响。综合镓的浸出率以及反应成本等因素,确立了浸出镓的最优条件为:反应温度180℃、钙硅比1∶1、碱液浓度200 g/L、液固比20∶1、反应时间3.0 h。在最优条件下,粉煤灰中镓浸出率可达87.84%。
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