C - Chemistry – Metallurgy – 10 – G
Patent
C - Chemistry, Metallurgy
10
G
C10G 11/02 (2006.01) C10G 11/05 (2006.01)
Patent
CA 2319263
Heavy hydrocarbon feeds are catalytically cracked to lighter products by contacting with a catalyst containing large pore molecular sieve component and ZSM-5 and/or ZSM-11, the catalyst having a substantially inert matrix material such as silica and/or clay and having active matrix material of less than 10 wt.% based on total catalyst composition. The products include light olefins ethylene and propylene, and the light olefin yield is increased when the matrix material is substantially inert.
Les charges d'hydrocarbures lourds subissent un craquage catalytique pour donner des produits plus légers par contact avec un catalyseur contenant un composant tamis moléculaire à larges pores et ZSM-5 et/ou ZSM-11, le catalyseur présentant une matière de matrice inerte, telle que de la silice et/ou de l'argile, et présentant une matière de matrice active inférieure à 10 % en masse, d'après la composition totale du catalyseur. Parmi ces produits figurent les oléfines légères à base d'éthylène et de propylène, la production d'oléfines légères croissant lorsque la matière de matrice est sensiblement inerte.
Chester Arthur W.
Degnan Thomas F.
Liu Ke
Mathias Mark F.
Timken Hye Kyung Cho
Kirby Eades Gale Baker
Mobil Oil Corporation
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