Thermal cracking of light gas oil at high severity

Details Thermal cracking of light gas oil at high severity Thermal cracking of light gas oil at high severity

C - Chemistry, Metallurgy

07

C

260/703.5, 260/7

C07C 11/04 (2006.01) C10G 9/32 (2006.01) C10G 51/06 (2006.01)

Patent

CA 1076610

Abstract A process for thermal cracking of petroleum light gas oil to produce a product including ethylene comprising passing said oil, a diluent gas and entrained hot solids through a cracking zone at a temperature between 1,300 and 2,500°F at a relatively high cracking severity corresponding to a methane yield of at least 12 weight percent based on hydrocarbon feed oil and with a weight ratio of diluent gas to feed oil of at least 0.3. A naphtha feedstock can be separately cracked at a lower severity using a lower weight ratio of diluent gas to feed oil, with the inert solids from both crcking zones being sent to a common burner whose fuel comprises heavy oil product from both cracking zones. - 1 -

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