关键词：亚熔盐溶出；溶出抑制；溶液脱硅 [gap=887]Keywords：Sub—molten salt digestion；Digestion sweetening；Solution desilication
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The results show that among the three kinds of seeds, the activated red mud has the best desilication effect and the silicon index of desilication solution can meet the requirement.
试验表明：活化赤泥的脱硅效果优于拜耳法末次赤泥及溶出赤泥，且脱硅溶液硅量指数可达到指标要求。
Through three methods, the most significant method is desilication solution by temperature-drop program.
通过对比溶出脱硅方法，采用降温制度调整对处理中低品位铝土矿是较适合方法。
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