C - Chemistry – Metallurgy – 10 – G
Patent
C - Chemistry, Metallurgy
10
G
C10G 11/18 (2006.01)
Patent
CA 2403981
The invention relates to a process for maintaining heat balance in a fluidized bed catalytic cracking unit. More specifically, the invention relates to a combustion control method capable of maintaining or restoring heat balance by conducting, under appropriate conditions, fuel and an oxygen-containing gas to a transfer line. The transfer line conducts effluent including spent catalyst and combustion products to the unit's catalyst regeneration zone.
L'invention concerne un procédé qui permet de maintenir l'équilibre thermique dans une unité de craquage catalytique à lit fluidisé. Elle concerne plus particulièrement un procédé de réglage de la combustion permettant de maintenir ou de rétablir l'équilibre thermique par acheminement, dans des conditions appropriées, d'un combustible et d'un gaz oxygéné vers une ligne de transfert. La ligne de transfert achemine les effluents, y compris le catalyseur usé et les produits de combustion, vers la zone de régénération de catalyseur de l'unité.
Asplin John E.
Ladwig Paul K.
Melfi George
Steffens Todd R.
Borden Ladner Gervais Llp
Exxonmobil Chemical Patents Inc.
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