Abstract
Resource utilization of high-sulfur bauxite is one of the technical problems for alumina refineries in China. There are rich highsulfur bauxite ores of low-median grade in Chongqing China, which haven’t been utilized until now. Sulfur in bauxite will cause many negative effects on alumina production. There are still some disadvantages for current desulfurization technologies and it is difficult to make a breakthrough progress only from the view of application of these desulfurization technologies. So it is necessary to undertake fundamental theoretical studies on the occurrence of sulfur in high-sulfur bauxites, the reaction behavior and the impact of sulfur in the production process. Combining theoretical research with experiments, it is possible to develop a feasible desulfurization process. This will provide technical support and theoretical guidance for the utilization of high-sulfur bauxites in Chongqing, and is also advantageous for prolonging bauxite resource security for the Chinese alumina industry.
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