Hydrogenation method and reactor

B - Operations – Transporting – 01 – J

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Details

B01J 3/04 (2006.01) B01J 19/02 (2006.01)

Patent

CA 2260796

A novel hydrogenation reactor, hydrogenation methods implemented therein, and in general the use of said reactor, are disclosed. The reactor comprises a double wall consisting of an outer wall (10) capable of withstanding mechanical loads, and an inner wall (20) defining the reaction space (30) in which a reaction medium is reacted. Said inner wall (20) is resistant to said reaction medium and protects the outer wall (10) from any contact therewith. A space (50) is provided between said outer (10) and inner (20) walls to enable controlled recombination of the atomic hydrogen to be diffused through said inner wall (20). Said space (50) contains no means that might cause diffusion of said atomic hydrogen from the inner wall to the outer wall, and the reactor structure includes means that, in use, balance out the pressure on either side of said inner wall (20) and thus enable the hydrogen that has entered said space (50) to be circulated and removed from the reactor.

La présente invention a pour objets un nouveau type de réacteur d'hydrogénation, les procédés d'hydrogénation mis en oeuvre en son sein et plus généralement les utilisations d'un tel réacteur. Les réacteurs de l'invention comportent une double paroi; ladite double paroi consistant en une paroi externe (10) apte à supporter les charges mécaniques et une paroi interne (20) délimitant le volume réactionnel (30) au sein duquel est appelé à réagir un milieur réactionnel, ladite paroi interne (20) résistant audit milieu réactionnel et protégeant ladite paroi externe (10) de tout contact avec celui-ci. De façon caractéristique, un espace (50) est aménagé entre lesdites parois externe (10) et interne (20), pour la recombinaison contrôlée de l'hydrogène atomique appelé à diffuser au travers de ladite paroi interne (20); ledit espace (50) ne renfermant aucun moyen susceptible d'assurer la diffusion dudit hydrogène atomique de ladite paroi interne vers ladite paroi externe; et la structure dudit réacteur inclut des moyens pour, lors de son utilisation, équilibrer les pressions de part et d'autre de ladite paroi interne (20) et permettre la circulation et l'évacuation vers l'extérieur de l'hydrogène ayant accédé audit espace (50).

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