METHOD OF RECOVERING INDIUM FROM LIQUID CRYSTAL-CONTAINING INDIUM CONCENTRATE

摘要

The present invention relates to the technical field of resource recycling, and particularly relates to a method of recovering indium from a liquid crystal-containing indium concentrate. The method comprises processes of low-temperature baking, ball milling, alkaline roasting, adding water and leaching, filter pressing, acid leaching, zinc displacement, founding, indium purification, etc. The method of the present invention has advantages of a high direct recovery rate of indium, an easy-to-operate process, a low hardware cost, a low manufacturing cost, and being free from secondary pollution generation, etc.