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2003•Journal of Guizhou University of TechnologyRequires access

Research on One-Stage Sintering in Two-Stage Sintering Process for Bauxite of Middle-Low Quality

Mao Xiao

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Abstract

In handling the bauxite of middlelow quality (A/S=5±), this paper studies the effect of alkaliratio, sinteringtemperature and sinteringtime on the yield of Al2O3. The result shows that it is the optimum condition for onestage sintering when alkaliratio is 1.2, sintering temperature 1100℃ and sinteringtime 40 min. The effect of lixiviating conditions on separating out SiO2 is also studied. 

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In handling the bauxite of middlelow quality (A/S=5±), this paper studies the effect of alkaliratio, sinteringtemperature and sinteringtime on the yield of Al2O3. The result shows that it is the optimum condition for onestage sintering when alkaliratio is 1.2, sintering temperature 1100℃ and sinteringtime 40 min. The effect of lixiviating conditions on separating out SiO2 is also studied. 

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Available abstract

In handling the bauxite of middlelow quality (A/S=5±), this paper studies the effect of alkaliratio, sinteringtemperature and sinteringtime on the yield of Al2O3. The result shows that it is the optimum condition for onestage sintering when alkaliratio is 1.2, sintering temperature 1100℃ and sinteringtime 40 min. The effect of lixiviating conditions on separating out SiO2 is also studied. 

Key concepts: Sintering, Bauxite, Materials science, Yield (engineering), Alkali metal, Metallurgy, Process (computing), Stage (stratigraphy)

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