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Review of Current Situation on Bauxite Resources and Production Technology of Alumina in China

Fangyang Liu

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Abstract

Most bauxite in China is diasporic, and contains higher silica as well as alumina and with lower mass ratio of Al 2O 3/SiO 2.Commercial bauxite reserves with mass ratio of Al 2O 3/SiO 2 no less than 7 constitute 33% of A+B+C grade in proved bauxite reserves. As the fact that existing production technology of alumina from bauxite is not compatible with present situation of bauxite resources in China and increasingly losing its market competitiveness in the world of alumina, it is urgent that new technology and process be developed at present.

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What this paper is about

Most bauxite in China is diasporic, and contains higher silica as well as alumina and with lower mass ratio of Al 2O 3/SiO 2.Commercial bauxite reserves with mass ratio of Al 2O 3/SiO 2 no less than 7 constitute 33% of A+B+C grade in proved bauxite reserves. As the fact that existing production technology of alumina from bauxite is not compatible with present situation of bauxite resources in China and increasingly losing its market competitiveness in the world of alumina, it is urgent that new technology and process be developed at present.

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Available abstract

Most bauxite in China is diasporic, and contains higher silica as well as alumina and with lower mass ratio of Al 2O 3/SiO 2.Commercial bauxite reserves with mass ratio of Al 2O 3/SiO 2 no less than 7 constitute 33% of A+B+C grade in proved bauxite reserves. As the fact that existing production technology of alumina from bauxite is not compatible with present situation of bauxite resources in China and increasingly losing its market competitiveness in the world of alumina, it is urgent that new technology and process be developed at present.

Key concepts: Bauxite, China, Production (economics), Natural resource economics, Business, Mineral resource classification, Metallurgy, Materials science

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