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Grinding Bauxite Known

us7631821b2 improving grinding in a alumina extraction,the present disclosure pertains to a method of improving the grinding of a bauxite containing slurry during the grinding stage of an alumina extraction process. specifically, an effective amount of one or more non-ionic surfactants, polyglycols, polyglycol ethers, anionic surfactants, anionic polymers, or a combination thereof are added to said bauxite containing slurry during the grinding.principles of grinding,the grinding process is subject to principles similar to those known from other machining processes. the grinding tool is made up of abrasive grains and pores and exhibits an irregu-lar distribution of cutting edges. as opposed to all other operations such as milling or lathing, negative cutting angles occur during grinding, leading to.

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