Study on Exploiting and Utilizing Technology of Certain Middle-and-Low-Grade Bauxite

Abstract

Taking a middle and low grade bauxite sample in Chongqing as the research object, the processing experiment research separated and enriched the low-grade raw ore to provide higher grade raw material for alumina production, which consequently ascertain proper processing technology solutions, increases concentrate grade and recovery, and provides technological basis for the development and utilization of bauxite resources in the district. The experiment recommends the process of "selective grinding grading of coarse and fine particle - direct flotation", and the technological indexes of closed circuit flow test are A/S 8.23 and recovery 91.42%.