Apparatus for thermally dehalogenating halogenated substances

B - Operations – Transporting – 01 – J

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B01J 19/26 (2006.01) A62D 3/00 (2007.01)

Patent

CA 2647477

An apparatus for thermally dehalogenating halogenated substances, comprising a heatable reaction volume (2) with a vapour space (4) at the top and a liquid phase space (3) at the bottom, and also with one inlet each (6, 7) for the substances and for polyolefin, and outlets in each case (8, 9) for the halogenated reaction products, the dehalogenated substances and for polyolefin. It is an object of the invention to propose an apparatus for debrominating oils and liquefying polypropylene which enables debromination of organic substrates on the industrial scale. The object is achieved by an apparatus wherein the inlet (7) for the polyolefin has means (12) of heating the polyolefin above the softening temperature and opens out into the vapour space (4) in the reaction volume (2) and comprises at least one nozzle (11).

L'invention concerne un dispositif de déshalogénation thermique de matériaux contenant des halogènes, comprenant un volume réactionnel à température modulable (2), avec une chambre à vapeur (4) disposée au-dessus et une zone de dépôt (2) disposée au-dessous, ainsi que des orifices d'entrée (6, 7) pour les matériaux et la polyoléfine et des orifices de sortie (8, 9) pour le produit de réaction contenant des halogènes, les matériaux déshalogénés et la polyoléfine. L'invention concerne également un dispositif de débromation d'huiles et de liquéfaction de polypropylène, ledit dispositif permettant la débromation de substrats organiques à grande échelle. Dans le dispositif selon l'invention, l'orifice d'entrée (7) pour la polyoléfine comprend un moyen (12) de chauffage de la polyoléfine à une température supérieure à la température de ramollissement, la dirige dans le volume réactionnel (2) dans la chambre à vapeur (4) et comprend également au moins une buse (11).

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