The Selection And Processing Of Ore

The selection and processing of ore

The selection and processing of ore

Kyanite, andalusite and sillimanite-grade ore only have a few high grade ore, the vast majority are from the kyanite-group minerals and gangue minerals; and mineral containing iron, titanium minerals, graphite, carbon quality of materials, etc., ore grade is low, kyanite typically between 10% to 25%, andalusite is 10% to 25%, sillimanite is 10% to 60%, and therefore, it cant directly use, must be purified mineral processing, eliminate impurities minerals, useful minerals into concentrates enriched, can be used as refractory materials. Currently on the market, the Raw kyanite on sale, are beneficiated ore( Ore beneficiation in China ).

Methods used in beneficiation process are according to the deposit characteristics, ore grade, texture and structure, embedded in the ore particle size distribution, rock and other enclaves and the nature of the decision. For fine-grained mineral kyanite embedded cloth, because the ore and gangue mineral density is insignificant, the main method is flotation; mixed ores, which includes coarse and fine-grained disseminated disseminated two types of ore, in addition to re-election - combined flotation extrajudicial; also can be graded flotation; for coarse-grained disseminated, nodular ore to use more fine-grained re-election law. Family of magnetic minerals in the mineral kyanite is often indispensable in the process, first, the preparation work for the selected materials, recycling and removal of magnetic minerals; the second is used to concentrate and then treated to eliminate harmful impurities concentrate in the . Fine-grained kyanite ore, mostly abroad acid flotation, flotation concentrate in the iron-bearing minerals using magnetic separation; our fine-grained kyanite flotation flotation multi subtraction. For the coarse crystals of andalusite, the general re-election law - magnetic separation process, fine-grained andalusite flotation recovery penalty( Ore grinding process ).

Both domestic and abroad are used obtain flotation method to obtain Sillimanite concentrate, the flotation is to solve sillimanite and is quartz, feldspar and other gangue minerals separation; to meet some of the lower sillimanite impurities requirements, sometimes then after sillimanite flotation concentrate by acid treatment.

For more beneficiation methods and equipments, visit ore processing equipment

by: xjddb

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