Steam cracking of hydrocarbons

Details Steam cracking of hydrocarbons Steam cracking of hydrocarbons

1988-06-10

1989-05-23

Sneed, H. M. S.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Cracking

208106, 208129, 585652, 585539, 585540, 585541, C10G 936

Patent

active

048328227

ABSTRACT:
The steam and thermal cracking of hydrocarbons is facilely carried out by in situ generating a stream of hot combustion gases including steam, advantageously in the configuration of a downstream axially extending, axially symmetrical helical flowstream, by combustion of steam-producing reactants in a combustion first reaction zone, and serially directly contacting and intimately admixing a liquid hydrocarbon feedstock with said gas of combustion in a downstream isodistribution, non-multi-tubular second reaction zone, advantageously first at a zone of reduced pressure thereof, the momentum of said gas of combustion at the point of direct contact being such as to provide all of the thermal and mechanical energy and heat transfer required to autogenously vaporize, entrain and effect cracking therein of said liquid hydrocarbon feedstock.

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