Process for the conversion of iron bearing residues into a...

Details Process for the conversion of iron bearing residues into a... Process for the conversion of iron bearing residues into a...

C - Chemistry, Metallurgy

04

B

C04B 28/08 (2006.01) C04B 18/02 (2006.01) C04B 18/14 (2006.01) C04B 28/18 (2006.01)

Patent

CA 2266011

This invention relates to the conversion of iron bearing residues from the non- ferrous process industry into a synthetic rock, comprising the following steps: 1 part of the wet residue is mixed with at least 0.1 parts by weight of crushed blast furnace slags and with at least 0.1 parts by weight of crushed converter slags; water is added to the mixture to obtain a stiff paste; and the paste is allowed to harden, while kept wet, to such an extent that the resulting rock is usable for construction purposes.

L'invention concerne un procédé de transformation de résidus contenant du fer provenant de l'industrie des métaux non ferreux en une roche synthétique. Ce procédé comprend les étapes consistant à mélanger une partie des résidus humides avec au moins 0,1 partie en poids du laitier concassé provenant des hauts-fourneaux et avec au moins 0,1 partie en poids du laitier de convertisseur concassé; à ajouter de l'eau au mélange pour obtenir une pâte rigide et à laisser ensuite durcir cette pâte, tout en maintenant son humidité de telle sorte que la roche ainsi obtenue puisse être utilisée pour la construction.

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