Method for producing a glass and glass produced thereby

Details Method for producing a glass and glass produced thereby Method for producing a glass and glass produced thereby

C - Chemistry, Metallurgy

03

C

C03C 1/02 (2006.01) C03B 1/02 (2006.01) C03C 1/00 (2006.01)

Patent

CA 2393439

Glass produced on basis of a raw material in form of a mixture of mainly mineral-containing components comprising sludge from e.g. purification plants and waste products from the industry, and having a determined chemical composition adjusted on basis of knowledge of the chemical composition of the mineral-containing components forming part of the glass. The glass is produced from the raw material which after mineralization is pressed into briquettes that are hardened and subsequently melted in e.g. a blast furnace under oxygen supply, and where the melt is quenched and dried. Large amounts of waste products and waste substances that are normally deposited either treated or untreated can be reused and utilised at production of the glass.

L'invention concerne du verre produit à base d'une matière première sous la forme d'un mélange de composants comprenant principalement des minéraux, y compris de la boue provenant par exemple de stations d'épuration d'effluents industriels et de déchets industriels, et présentant une composition chimique déterminée ajustée sur la base de la connaissance de la composition chimique des composants contenant des minéraux composant le verre. Le verre est produit à partie de matière première qui après minéralisation est pressée dans des briquettes qui sont durcies et par la suite fondues dans un haut fourneau alimenté en oxygène par exemple, la matière fondue étant trempée et séchée. De grandes quantités de déchets qui sont normalement déposés, traités ou non traités, peuvent être réutilisés et utilisés pour la production du verre.

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