C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
260/650, 260/681
C07C 15/14 (2006.01) C07C 25/18 (2006.01) C23G 5/00 (2006.01) A62D 3/00 (2006.01)
Patent
CA 1258682
ABSTRACT DESTROYING HALOGEN-CONTAINING ORGANIC COMPOUNDS Halogen-containing organic compounds e.g. polychorinated biphenyls (PCB's) are destroyed by being contacted in gaseous form in the absence of oxygen to Al, Mg, Si, Ti or Be having a high specific area, and an area of 0.1 - 65 m2 of metal surface per gram of organic compound to be be destroyed 9 at temperatures of 450 - 650°C for times up to 50 seconds. The PCB's are generally entrained in an inert carrier gas. The method is suitable for continuous operation. When the metal becomes deactivated by reason of a carbonaceous deposit on the surface, it can be regenerated, e.g. by treatment with sodium hydroxide solution.
495858
Lemay Rejean
Ross Robert A.
Alcan International Limited
Fetherstonhaugh & Co.
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