Process and apparatus for the production of olefins from...

Details Process and apparatus for the production of olefins from... Process and apparatus for the production of olefins from...

C - Chemistry, Metallurgy

07

C

23/400, 260/708.

C07C 11/02 (2006.01) C10G 9/14 (2006.01) C10G 9/20 (2006.01) C10G 51/00 (2006.01)

Patent

CA 1199340

ABSTRACT OF THE DISCLOSURE A process for cracking heavy hydrocarbon feedstock utilizing minimal amounts of dilution steam without a loss in desirable olefins and for cracking light hydrocarbon feedstock is provided. The light feedstock is cracked conventionally while the heavy feedstock is partially cracked in a furnace utilizing a minor amount of dilution steam. Thereafter, the cracked light feedstock and partially cracked heavy feedstock are combined and cracked pyrolysis gas from the light feedstock is substantially quenched to reduce or terminate the reactions of the light effluent, while the heat from the cracked light feedstock is used to further crack the heavy feedstock. The further cracking of the heavy feedstock can take place in one or more of several modes.

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