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acid leaching process for hi purity silica sand in slovakia

May 01 2019 · The production of high purity silica out of natural sand plays a critical role as a starting material in the industry of glass and high grade silicon In this paper we expose a novel processing method for the purification of sand silica This method is a subsequent combination of thermal treatment and acid leaching...As a leading global manufacturer of crushing equipment, milling equipment,dressing equipment,drying equipment and briquette equipment etc. we offer advanced, rational solutions for any size-reduction requirements, including quarry, aggregate, grinding production and complete plant plan.

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