Chemistry of hydrocarbon compounds – Unsaturated compound synthesis – By c content reduction – e.g. – cracking – etc.
Patent
1993-10-27
1995-07-04
Pal, Asok
Chemistry of hydrocarbon compounds
Unsaturated compound synthesis
By c content reduction, e.g., cracking, etc.
585653, 585301, 585302, 585304, 208 51, 208 53, 208 79, 208127, C07C 402, C07C 100, C10B 5500, C10G 5106
Patent
active
054302161
ABSTRACT:
An integrated fluid coking/paraffin dehydrogenation process. The fluid coking unit is comprised of a fluid coker reactor, a heater, and a gasifier. Solids from the fluidized beds are recycled between the coking zone and the heater and between the heater and the gasifier. A separate stream of hot solids from the gasifier is diluted with hot solids from the heater then passed to the scrubbing zone of the coker reactor. A light paraffin stream is introduced into this stream of hot solids between the point where the heater solids are introduced and the scrubbing zone. The hot particles act to catalyze the dehydrogenation of the paraffins to olefins.
REFERENCES:
patent: 4269696 (1981-05-01), Metrailer
patent: 4297202 (1981-10-01), Blaser
patent: 4379046 (1983-04-01), Oldweiler
patent: 4411769 (1983-10-01), Oldweiler
Bearden, Jr. Roby
Davis Stephen M.
Kerby Michael C.
Exxon Research & Engineering Co.
Naylor Henry E.
Pal Asok
Phan Nhat D.
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