C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
260/687.7, 260/7
C07C 4/04 (2006.01) C07C 11/02 (2006.01) C10G 9/38 (2006.01)
Patent
CA 1219005
Abstract of the Disclosure: A process for selectively producing olefins and aromatic hydrocarbons by thermal cracking of hydrocarbons which comprises the steps of: burning hydrocarbons with oxygen in the presence of steam to produce a hot gas of from 1300 to 3000°C comprising steam; feeding a heavy hydrocarbon to the hot gas to thermally crack the heavy hydrocarbon under conditions of a temperature not lower than 1000°C, a pressure not higher than 100 kg/cm2g, and a residence time of from 5 to 20 milliseconds; further feeding a light hydrocarbon downstream of the feed of the heavy hydrocarbon in such a way that a light hydrocarbon with a lower boiling point is fed at a lower temperature side downstream of the feed of the heavy hydrocarbon, thereby thermally cracking the light hydrocarbon under conditions of a reactor outlet temperature at not lower than 650°C, a pressure at not higher than 100 kg/cm2g, and a residence time at 5 to 1000 milliseconds; and quenching the resulting reaction product.
456733
Ohshima Michio
Okamoto Toshiro
Marks & Clerk
Mitsubishi Jukogyo Kabushiki Kaisha
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