Treatment of undesirable halogenated organic compounds

A - Human Necessities – 62 – D

Patent

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A62D 3/40 (2007.01)

Patent

CA 2184253

A process for treating an undesirable halogenated organic compound comprises heating a reactor wall by means of electrical induction or resistance heating; maintaining the reactor wall at a predetermined reaction temperature of at least 1500 °C; and allowing heat to radiate from the reactor wall into a reaction zone adjacent to, and in contact with, the reactor wall. A substantially solids-free gaseous feedstock comprising an undesirable halogenated organic compound is fed into the reaction zone. A non-oxidizing substantially solids-free gaseous atmosphere is maintained in the reaction zone. The compound is heated up sufficiently by means of the heat radiated by the reactor wall in order for it to pyrolyse and thus be transformed into more desirable components. A gaseous product comprising the more desirable components is withdrawn from the reaction zone.

L'invention se rapporte à un procédé de traitement d'un composé organique halogéné indésirable qui consiste à chauffer une paroi de réacteur au moyen d'un chauffage électrique à haute fréquence ou par effet Joule; à maintenir la paroi du réacteur à une température de réaction prédéterminée d'au moins 1500 ~C; et à laisser à la chaleur rayonner de la paroi du réacteur à une zone de réaction adjacente et en contact avec la paroi du réacteur. Une charge d'alimentation gazeuse pratiquement exempte de solides comprenant un composé organique halogéné indésirable est amenée dans la zone de réaction. Une atmosphère gazeuse pratiquement exempte de solides, non oxydante, est maintenue dans la zone de réaction. Le composé est suffisamment chauffé par la chaleur rayonnée par la paroi du réacteur afin de permettre sa pyrolise et ainsi sa transformation en composants plus acceptables. Un produit gazeux comprenant les composants plus acceptables est retiré de la zone de réaction.

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