C - Chemistry – Metallurgy – 22 – B
Patent
C - Chemistry, Metallurgy
22
B
C22B 3/22 (2006.01) B01D 37/02 (2006.01) C02F 1/62 (2006.01) C02F 9/00 (2006.01)
Patent
CA 2522087
The invention relates to a method for improving the filterability and washing result of fine-grained waste material generated in the metallurgical industry. According to the method some of other fine-grained solid is added to the first waste precipitate before filtration, which is also removed from the process, and which remains stable in the same conditions as the first waste precipitate.
L'invention concerne un procédé visant à améliorer l'aptitude au filtrage et les résultats au lavage de matériaux à grain fin produits dans l'industrie métallurgique. Selon le procédé, on ajoute une autre matière solide à grain fin au premier précipité de déchets avant filtration, cette autre matière étant également éliminée du processus et restant stable dans les mêmes conditions que le premier précipité de déchets.
Jaervinen Aimo
Lehtinen Leena
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
Outokumpu Technology Oy
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