On-line synthesis and regenerating of a catalyst used in autothe

Details On-line synthesis and regenerating of a catalyst used in autothe On-line synthesis and regenerating of a catalyst used in autothe

1999-09-01

2000-12-26

Knode, Marian C.

Chemistry of hydrocarbon compounds

Unsaturated compound synthesis

By dehydrogenation

585660, 585656, 585661, C07C 5327, C07C 5373, C07C 5333

Patent

active

061662836

ABSTRACT:
An on-line method of synthesizing or regenerating catalysts for autothermal oxidation processes, specifically, the oxidation of paraffinic hydrocarbons, for example, ethane, propane, and naphtha, to olefins, for example, ethylene and propylene. The catalyst comprises a Group 8B metal, for example, a platinum group metal and, optionally, a promoter, such as tin, antimony, or copper, on a support, preferably a monolith support. On-line synthesis or regeneration involves co-feeding a volatile Group 8B metal compound and/or a volatile promoter compound with the paraffinic hydrocarbon and oxygen into the oxidation reactor under ignition or autothermal conditions.

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