Coking reduction in cracking reactors

Details Coking reduction in cracking reactors Coking reduction in cracking reactors

C - Chemistry, Metallurgy

10

G

C10G 9/16 (2006.01)

Patent

CA 2385372

The invention concerns a method for reducing coking on the metal walls of a reactor cracking hydrocarbons or other organic compounds and on the metal walls of a heat exchanger placed downstream of the cracking reactor, whereby the metal surfaces coming into contact with the organic substance to be cracked are pre-treated with a water vapour stream containing at least silicon and at least a sulphur compound.

Pour réduire le cokage sur les parois métalliques d'un réacteur de craquage d'hydrocarbures ou d'autres composés organiques et sur les parois métalliques d'un échangeur thermique placé à la suite du réacteur de craquage, les surfaces métalliques venant en contact avec la substance organique à craquer sont prétraitées avec un courant de vapeur d'eau contenant au moins un composé du silicium et au moins un composé du soufre.

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