C - Chemistry – Metallurgy – 01 – C
Patent
C - Chemistry, Metallurgy
01
C
C01C 3/02 (2006.01) B01J 19/24 (2006.01)
Patent
CA 2705412
A process for preparing hydrogen cyanide by catalytically dehydrating gaseous formamide in a tubular reactor formed from at least one reaction channel in which the catalytic dehydration proceeds, said reaction channel having an inner surface which is formed from a material having an iron content of >= 50% by weight, and no additional catalysts and/or internals being present in the reaction channel, and the at least one reaction channel having a mean hydraulic diameter of from 0.5 to 6 mm, and a reactor with the features specified above and the use of the inventive reactor for preparing hydrogen cyanide by catalytically dehydrating gaseous formamide.
L'invention concerne un procédé de production d'acide cyanhydrique par déshydratation catalytique de formamide gazeux dans un réacteur tubulaire constitué d'au moins un canal de réaction, dans laquelle la déshydratation catalytique a lieu, ledit canal de réaction présentant une surface intérieure constituée d'un matériau contenant une proportion de fer = 50 % en masse, aucun catalyseur ni aucune chicane supplémentaire n'étant contenu dans ledit canal et ledit au moins un canal de réaction présentant un diamètre hydraulique moyen allant de 0,5 à 6 mm. L'invention concerne également un réacteur présentant les caractéristiques susmentionnées et l'utilisation du réacteur selon l'invention dans la production d'acide cyanhydrique par déshydratation catalytique de formamide gazeux.
Achhammer Guenther
Boehling Ralf
Deckers Andreas
Luyken Hermann
Pfab Peter
Basf Se
Borden Ladner Gervais Llp
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