F - Mech Eng,Light,Heat,Weapons – 23 – G
Patent
F - Mech Eng,Light,Heat,Weapons
23
G
F23G 7/04 (2006.01) F23D 14/32 (2006.01) F23G 5/44 (2006.01) F23G 7/00 (2006.01) F23G 7/05 (2006.01)
Patent
CA 2439229
A method for treatment of sludge is disclosed, wherein the sludge has a liquid part and metal-containing particles intermixed therein. The particles comprise metal, metal oxide or metal hydroxide and the method comprises the following steps: atomising the sludge; supplying the atomised sludge to a flame of a burner provided in a furnace; bringing the liquid part of the sludge to vaporise by means of the flame while maintaining said flame by means of a separate fuel supply; and bringing at least part of the metal-containing particles to melt by means of the flame. This provides an efficient method for taking care of waste material from plants in the steel or petrochemical industry, for example.
Procédé de traitement de boues qui comportent une partie liquide contenant des particules mélangées. Ces particules renferment du métal, un oxyde métallique ou un hydroxyde métallique, et le procédé comporte les étapes consistant à : atomiser les boues ; amener les boues atomisées vers la flamme d'un brûleur situé dans un fourneau ; vaporiser la partie liquide des boues au moyen de la flamme en maintenant celle-ci par un apport de combustible séparé ; et faire fondre au moins une partie des particules contenant du métal au moyen de la flamme. Ce procédé est efficace pour la prise en charge de déchets provenant d'usines de l'industrie sidérurgique ou pétrochimique, par exemple.
Johansson Mats
Rangmark Lennart
von Scheele Joachim
Aga Aktiebolag
Ridout & Maybee Llp
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