The possible use of Bayer process cyclone fines for manufacture of abrasives
Keywords:Cyclone fines, Bayer process, Ceramic synthesis, Abrasive polish,
This paper deals with the feasibihty of producing synthetic abrasives from a by-product of the Bayer process: the cyclone fines, through synthesis aided by mineralizers addition. The main result has been the production of a low temperature (1200-1300 °C) polish by adding fluoride mineralizers, that could be in clear competence with synthetic corundum obtained also in this work by a more traditional way: sodium removal, using of magnesium oxide as mineralizer, and high calcination temperatures (1700 °C).
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