Reactor for preparing hydrogen cyanide by the andrussow process

Details Reactor for preparing hydrogen cyanide by the andrussow process Reactor for preparing hydrogen cyanide by the andrussow process

B - Operations, Transporting

01

J

B01J 12/00 (2006.01) C01C 3/02 (2006.01)

Patent

CA 2694236

The present invention relates to a reactor (1) for preparing hydrogen cyanide by the Andrussow process, comprising a reactor vessel (2), at least one gas inlet (3) which opens into a gas inlet region (4) , an outlet for the reaction products (5) and a catalyst (6), wherein at least one mixing element (7) and at least one gas-permeable intermediate layer (8) are provided within the reactor vessel (2) between the gas inlet region (4) and the catalyst (6), the mixing element (7) being arranged between the gas inlet region (4) and the gas-permeable intermediate layer (8). The present invention further relates to a process for preparing HCN, in which an inventive reactor is used.

La présente invention concerne un réacteur (1) destiné à la production d'acide cyanhydrique par le procédé Andrussow, comprenant une cuve de réacteur (2), au moins une arrivée de gaz (3) débouchant dans une zone d'alimentation de gaz (4), une conduite d'évacuation du produit réactionnel (5) et un catalyseur (6). À l'intérieur de la cuve de réacteur (2), il est prévu entre la zone d'alimentation de gaz (4) et le catalyseur (6) au moins un élément mélangeur (7) ainsi qu'au moins une couche intermédiaire perméable au gaz (8), ledit élément mélangeur (7) étant disposé entre la zone d'alimentation de gaz (4) et la couche intermédiaire perméable au gaz (8). La présente invention concerne en outre un procédé de production de HCN utilisant un réacteur selon l'invention.

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