F - Mech Eng,Light,Heat,Weapons – 23 – G
Patent
F - Mech Eng,Light,Heat,Weapons
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F23G 5/20 (2006.01) F23G 5/00 (2006.01) F23G 5/16 (2006.01) F23J 9/00 (2006.01) F23J 15/00 (2006.01) F23J 15/02 (2006.01) F23M 5/08 (2006.01)
Patent
CA 2031060
Hazardous waste is formed into non-hazardous non-leaching aggregate by introducing the material to a rotary kiln where the large solids are at least partially combusted to form a primary aggregate. Gaseous combustion by-products and waste fines from the waste materials are introduced into at least one oxidizer having water-cooled metal walls. Some of the waste fines are melted to form a molten slag-like material that is removed from the apparatus and cooled to form non-hazardous aggregate. The portion of the material in the oxidizer that is not melted, is cooled, neutralized and subjected to a solid gas separation. The solid is reintroduced to the oxidizer with the primary aggregate where they are either melted or entrained within the molten material and become an integral part of the non-hazardous aggregate.
Kent John M.
Kirby Eades Gale Baker
LandOfFree
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