Thermal cracking of light gas oil at high severity to ethylene

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

1976-07-12

1978-06-27

Gantz, Delbert E.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Plural parallel stages of chemical conversion

208 61, 208 80, 208 89, 208127, 208216, 260683R, C10G 3702, C10G 932, C07C 1104

Patent

active

040973638

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.degree. and 2,500.degree. 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 cracking zones being sent to a common burner whose fuel comprises heavy oil product from both cracking zones.

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patent: 3984305 (1976-10-01), Hosoi et al.

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