Process and apparatus for the catalytic cracking of hydrocarbon

Details Process and apparatus for the catalytic cracking of hydrocarbon Process and apparatus for the catalytic cracking of hydrocarbon

1987-10-20

1989-04-04

Caldarola, Glenn

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Cracking

208DIG1, 208157, C10G 3702

Patent

active

048183725

ABSTRACT:
An apparatus for the catalytic cracking of hydrocarbon feedstocks with reaction temperature control is provided which includes an upward-flow or downward-flow cracking column, means for feeding said column under pressure with a hydrocarbon feedstock and with particles of a regenerated cracking catalyst, at least one means for injection of an auxiliary fluid downstream of the zone in said column where the hydrocarbon feedstock and the regenerated catalyst particles are contacted with each other, to reduce the temperature of the reaction zone situated directly downstream thereof, means for separating the products of the cracked feedstock and the spent catalyst particles, at least one stripping means, at least one unit for regeneration of the catalyst by combustion of the coke deposited thereon and means for recycling the regenerated catalyst to said feeding means.

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