C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
307/16, 53/346,
C04B 5/00 (2006.01) B09B 1/00 (2006.01) B09B 3/00 (2006.01) B09C 1/06 (2006.01) C03C 1/00 (2006.01) C21B 3/06 (2006.01) C22B 7/04 (2006.01) F23G 5/08 (2006.01) F23G 5/24 (2006.01) F23G 7/14 (2006.01) F27B 1/08 (2006.01) F27B 1/09 (2006.01)
Patent
CA 2013591
54,949 ABSTRACT OF THE DISCLOSURE Excavated landfill material is treated in a plasma fired cupola in a process wherein hazardous material such as PCB's are volatilized and consumed in an afterburner above the cupola and hazardous materials containing heavy metals are fixed in vitreous material made molten within the cupola and resulting in a non- leachable solid product.
Dighe Shyam V.
Rohaus David M.
Steffen Robert J.
Taylor Raymond F. Jr.
Smart & Biggar
Westinghouse Electric Corporation
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