B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 53/86 (2006.01) C08F 6/00 (2006.01)
Patent
CA 2502350
In a method of removing volatile oxidizable compounds from particles present in a container, a gas stream is continuously introduced into the container, the gas stream takes up the oxidizable compound from the particles in the container and a gas stream laden with the oxidizable compound is discharged from the container. In the method of the present invention, oxygen is added to the gas stream which has been discharged and the oxidizable compound present in the discharged gas stream is subsequently at least partly catalytically oxidized by means of the oxygen and this oxidized gas stream forms at least part of the gas stream introduced, so that the gas stream is circulated. This makes safe and inexpensive removal of the oxidizable compounds from the particles possible.
Dans un procédé permettant d'éliminer des composés volatils oxydables de particules présentes dans un récipient, un flux gazeux est introduit de manière continue dans ledit récipient, ledit flux gazeux prélevant le composé oxydable des particules du récipient et un flux gazeux chargé du composant oxydable étant déchargé du récipient. Dans le procédé de l'invention, on ajoute de l'oxygène au flux gazeux qui a été déchargé, et le composant oxydable présent dans le gaz déchargé est ensuite au moins partiellement catalytiquement oxydé à l'aide de l'oxygène. Le gaz oxydé forme au moins une partie du flux gazeux introduit, de sorte que le gaz introduit circule, l'élimination des composés oxydables des particules étant de ce fait sûre et bon marché.
Finette Andre-Armand
Maehling Frank-Olaf
Neumann Erich
Nieken Ulrich
Basell Polyolefine Gmbh
Osler Hoskin & Harcourt Llp
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