Presently China produces 50% of the World’s alumina and aluminium. Since the 1950-ies, about 35 alumina refineries and 60 aluminium smelters were built in China using domestic and imported raw materials. Consequently, there are multiple refinery technologies in China, e.g., high temperature and low temperature Bayer process, sintering process, flotation-Bayer process and sweetening process. Absence […]
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