Use of coal ash for the safe disposal of mineral waste

Details Use of coal ash for the safe disposal of mineral waste Use of coal ash for the safe disposal of mineral waste

C - Chemistry, Metallurgy

03

B

C03B 5/16 (2006.01) C03B 5/23 (2006.01)

Patent

CA 2582221

A method for using coal ash for disposing of mineral waste, including toxic mineral waste, is disclosed including making a molten mixture of the mineral waste with the coal ash and solidifying the molten mixture to make a solid product such as a glass, a glass-ceramic or a marble-like glass.

L'invention concerne un procédé mettant en oeuvre de la cendre de houille pour l'évacuation sûre d'un rebut minéral, y compris un rebut minéral toxique. Le procédé consiste à produire un mélange fondu du rebut minéral avec la cendre de houille et solidifier le mélange fondu pour obtenir un produit solide, tel que le verre, le vitrocérame ou le verre marbré.

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