Hydrotreating of pyrolysis gasoline

Details Hydrotreating of pyrolysis gasoline Hydrotreating of pyrolysis gasoline

C - Chemistry, Metallurgy

10

G

196/140

C10G 45/32 (2006.01)

Patent

CA 1121292

HYDROTREATING OF PYROLYSIS GASOLINE Abrstract of the Disclosure In the catalytic hydrotreating of pyrolysis gasoline, the major portion of dienes is present in the hydrotreated product concentrate in the C5 fraction. The C5 fraction is separated from a first portion of the hydrotreated effluent and a portion of said separated C5 fraction is combined with a second portion of the hydrotreated effluent as a combined recycle stream to the hydrotreating reaction. By combining a portion of the separated C5 fraction with the recycle hydrotreated effluent, the net C5 product recovered from the process has a diene value which is lower than that which would be obtained without the C5 recycle.

328083

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