Chemistry of hydrocarbon compounds – Unsaturated compound synthesis – By c content reduction – e.g. – cracking – etc.
Patent
1998-01-26
1999-02-02
Caldarola, Glenn
Chemistry of hydrocarbon compounds
Unsaturated compound synthesis
By c content reduction, e.g., cracking, etc.
585651, 585652, 585654, 585661, 208130, 208132, C07C 402, C07C 5327, C10G 914
Patent
active
058667458
ABSTRACT:
Light olefins are produced from a hydrocarbon feedstock by a steam pyrolysis reaction in the presence of small quantities of essentially pure oxygen and selected catalytic solids to enhance the steam pyrolysis reaction, to promote the combustion of hydrogen to water and to minimize the formation of carbon oxides. The catalysts are characterized by low surface area, by non-alumina supports and by the catalytic oxides of the group IVB, VB and VIB transition metals.
REFERENCES:
Chen, Q., et al., "Oxidative Pyrolysis of Ethane", Ind. Eng. Chem. Res., vol. 36, No. 8, pp. 3248-3251, 1997.
Choudary, V.R., et al., "Coupling of Thermal Cracking with Noncatalytic Oxidative Conversion of Ethane to Ethylene", AIChE Journal, vol. 43, No. 6, pp. 1545-1550, Jun. 1997.
Choudary, V.R., et al., "Noncatalytic Oxypyrolysis of C.sub.2+ -Hydrocarbons from Natural Gas to Ethylene and Propylene in a Most Energy-Efficient and Safe Manner", Ind. Eng. Chem. Res., vol. 36, No. 6, pp. 2075-2079, 1997.
McCullough, J.P., et al., "Catalytic Dehydrogenation of Ethane by Selective Oxidation", Industrial and Engineering Chemistry, vol. 41, No. 2, pp. 1455-1459, Jul. 1949.
Layokun, S.K., "Oxidative Pyrolysis of Propane", Ind. Eng. Chem. Process Des. Dev., vol. 18, No. 2, pp. 241-245, 1979.
Joyce, J.H., et al., "Oxidation and Oxidation Dehydrogenation of Ethane and Propane", I & EC Process Design and Development, vol. 8, No. 1, pp. 17-25, Jan. 1969.
Gartside Robert John
Shaban Atef M.
ABB Lummus Global Inc.
Bullock In Suk
Caldarola Glenn
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