Destroying halogen containing organic compounds

Halogen-containing organic compounds e.g. polychlorinated 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 m of metal surface per gram of organic compound to be destroyed, at...

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Bibliographische Detailangaben
Hauptverfasser:	LEMAY, REJEAN, ROSS, ROBERT ANDERSON
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING ORPROTECTING AGAINST HARMFUL CHEMICAL AGENTS CHEMICAL SURFACE TREATMENT CHEMISTRY CLEANING OR DEGREASING OF METALLIC MATERIAL BY CHEMICALMETHODS OTHER THAN ELECTROLYSIS COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL FIRE-FIGHTING HUMAN NECESSITIES INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL LIFE-SAVING METALLURGY ORGANIC CHEMISTRY
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Beschreibung
Zusammenfassung:	Halogen-containing organic compounds e.g. polychlorinated 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 m of metal surface per gram of organic compound to be destroyed, at temperatures of 450 - 650 DEG 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.