F - Mech Eng,Light,Heat,Weapons – 23 – G
Patent
F - Mech Eng,Light,Heat,Weapons
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G
39/28
F23G 5/00 (2006.01) F23G 5/16 (2006.01) F23G 5/20 (2006.01) F23G 5/24 (2006.01) F23G 7/00 (2006.01) F23G 7/14 (2006.01) F23J 15/00 (2006.01) F23J 15/06 (2006.01)
Patent
CA 1312199
ABSTRACT OF THE DISCLOSURE 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 operating at a temperature in the range of from about 1800°F to 2500°F. Under such conditions, some of the waste fines are melted to form a slag-like material that is cooled to form the non-hazardous aggregate. The portion of the material in the ox- idizer that is not melted, is cooled, neutralized and subjected to a solid gas separation. The solid is reintroduced to the ox- idizer 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.
611085
Kent John M.
Kirby Eades Gale Baker
LandOfFree
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