C - Chemistry – Metallurgy – 10 – G
Patent
C - Chemistry, Metallurgy
10
G
196/100
C10G 11/02 (2006.01)
Patent
CA 1084434
ABSTRACT OF THE DISCLOSURE A process for producing gasoline which comprises cracking of a heavy petroleum feedstock in the presence of an alumino- silicate zeolite-containing catalyst maintained in a condition of an ascending flow at a temperature ranging from 480 to 520°C and a mass velocity of said feedstock of from 6 to 40 hr-1 in the direction of said ascending flow with the forma- tion of a reaction mixture containing gasoline, a fraction with a specific gravity of from 0.75 to 0.85 and a fraction with a specific gravity of from 0.85 to 0.95; the resulting reaction mixture is isolated from the catalyst and subjected to separation; said separated fractions are employed as recyc- le. Fraction with a specific gravity of from 0.75 to 0.85 is subjected to cracking in the presence of said catalyst which is in a condition of an ascending flow at a temperature of from 460 to 520°C and a mass velocity of said fraction of from 6 to 40 hr-1 in the direction of said ascending flow. As a re- sult of said cracking a reaction mixture is formed containing gasoline. The reaction mixture is separated from the catalyst and gasoline is recovered therefrom; fraction with a specific gravity of from 0.85 to 0.95 is subjected to cracking in the presence of said catalyst which is in a condition of an ascend- ing flow at a temperature of from 460 to 520°C and at a mass velocity of this fraction selected within the range of from 5 to 8 hr-1 with the formation of a reaction mixture containing gasoline and a fraction with a specific gravity of 0.85 to 0.95; said latter reaction mixture is combined with the reac- tion mixture obtained from said cracking of a heavy petroleum feedstock and delivered, after separation from the catalyst, to the recovery of gasoline.
244014
Aliev Vagab S.
Ismailov Rustam G.a.o.
Markarian Georgy G.
Pryanikov Evgeny I.
Rustamov Musa I.o.
Institut Neftekhimicheskikh Protsessov Imeni Akademika Ju. G. Ma
Sherman
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