C - Chemistry – Metallurgy – 10 – G
Patent
C - Chemistry, Metallurgy
10
G
C10G 9/16 (2006.01) C07C 4/04 (2006.01) C07C 321/14 (2006.01)
Patent
CA 2678153
The present invention concerns an additive for reducing the formation of coke and/or carbon monoxide in thermal hydrocarbon cracking units and/or of other organic compounds in heat exchangers. The additive according to the invention is essentially composed of diethyl disulfide (DEDS) or dipropyl disulfide(s) (DPDS) or dibutyl disulfide(s) (DBDS) and can be used on the metal walls of a cracking reactor and on the metal walls of a heat exchanger placed downstream from the cracking reactor, and during the process of cracking hydrocarbons and/or other organic compounds.
La présente invention concerne un additif permettant de diminuer la formation de coke et/ de monoxyde de carbone dans des unités de craquage thermique d'hydrocarbures et/ou d'autres composés organiques et les échangeurs thermiques. L'additif selon l'invention consiste essentiellement en diéthyldisulfure (DEDS) ou dipropyldisulfure(s) (DPDS) ou dibutyldisulfure(s) (DBDS) et peut être mis en AEuvre sur les parois métalliques d'un réacteur de craquage et sur les parois métalliques d'un échangeur thermique placé à la suite du réacteur de craquage ainsi que pendant le procédé de craquage d'hydrocarbures et/ou d'autres composés organiques.
Fremy Georges
Humblot Francis
Schmitt Paul-Guillaume
Arkema France
Robic
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