C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
260/708.8
C07C 11/04 (2006.01) C10G 9/38 (2006.01)
Patent
CA 1113511
ABSTRACT The present invention relates to improvements in a com- mercial process for non-tubular cracking of heavy hydrocarbon feeds for the purposes of producing ethylene and other valuable olefin products as well as chemical grade synthesis gas. The prior art cracking processes fail to present a practical and economical process for producing high yields of ethylene by the diacritic cracking of heavy hydrocarbon feed stocks at elevated Pressures in such a way that the reacotr and subsequent heat exchange equipment will not be adversely affected by severy coking. According to the present invention, a fuel is combusted with oxygen in the first section of the multi zone reactor. The high temperature products of combustion of the first zone pass into a second section of the multi-zone reactor where the heavy hydrocarbon feed is atomized and injected in such a manner that the contact of the hydrocarbon feed stocks and the combustion gases cause higher selective diacritic cracking of the hydrocarbon feed into various by-products, including a high yield of ethylene. The reaction products of the second zone then pass into a third section of the reactor in which the products are quickly quenched to reduce the overall temperature and prevent further cracking. In each stage of the multi-zone reactor the present process seeks to prevent the build-up of coke deposits on the walls of the reactor.
329881
Arand John K. Jr.
Daly Legrand A.
Guth Eugene D.
Daly (l.a.) Company
Gowling Lafleur Henderson Llp
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