Decomposition of fluorine containing compounds

Details Decomposition of fluorine containing compounds Decomposition of fluorine containing compounds

B - Operations, Transporting

01

D

B01D 53/86 (2006.01) B01D 53/68 (2006.01)

Patent

CA 2433146

A process for the decomposition and removal of one or more fluorine containing compounds from a first gaseous mixture comprising the one or more fluorine containing compounds and water vapour, which process comprises the stages of: (i) contacting the first gaseous mixture with a catalyst comprising an aluminium based material to produce a second gaseous mixture comprising hydrogen fluoride and carbon oxides; and (ii) removing the hydrogen fluoride from the second gaseous mixture to produce a third gaseous mixture, which is substantially free of hydrogen fluoride.

L'invention concerne un procédé pour décomposer et éliminer un ou plusieurs composés fluorés contenus dans un premier mélange gazeux qui comprend en outre de la vapeur d'eau. Ce procédé comprend les étapes suivantes (i) mise en contact du premier mélange gazeux avec un catalyseur contenant un matériau à base d'aluminium pour produire un deuxième mélange gazeux contenant du fluorure d'hydrogène et des oxydes de carbone ; et (ii) élimination du fluorure d'hydrogène contenu dans le deuxième mélange gazeux pour produire un troisième mélange gazeux pratiquement exempt de fluorure d'hydrogène.

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