2002•Conservation and Utilization of Mineral ResourcesRequires access

Study on Settling Properties of Red Mud Produced in Bayer Process with an Excessive Addition Lime

Zhao Heng-qin

Abstract

Good settling properties of red mud is one of what contribute to smooth production of alumina. In this paper, the study has been conducted on the settling properties of red mud produced in Bayer Process with an excessive addition lime. The results indicated that the settling properties of red mud produced in the Bayer Process with an excessive addition lime is slightly poorer than that in conventional Bayer Process, but the former red mud with smaller ratio of L/S, and can meet the requirements of production process of alumina.

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Available abstract

Key concepts: Red mud, Settling, Bayer process, Lime, Bauxite, Pulp and paper industry, Mineralogy, Metallurgy