Design And Layout For Washing And Grading Equipment For Raw Silica Sand

Spent foundry sand consists primarily of silica sand, coated with a thin film of burnt carbon, residual binder bentonite, sea coal, resins and dustable 7-2 lists the chemical composition of a typical sample of spent foundry sand as determined by x-ray fluorescenceilica sand is hydrophilic and consequently attracts water to its surface.

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