Fluidized bed solid catalyst motor fuel alkylation process

Chemistry of hydrocarbon compounds – Aromatic compound synthesis – By condensation of entire molecules or entire hydrocarbyl...

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585710, 585721, 585722, 502 31, 502 53, C07C 268, C07C 256, C07C 258

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056727984

ABSTRACT:
Hydrocarbons are alkylated in a fluidized riser-reactor using a solid catalyst which is regenerated within the process by contact with hydrogen. The alkylation and regeneration steps are separated to prevent the admixture of hydrogen and any olefins present in the process. Two separate modes of regeneration are performed simultaneously: a mild liquid-phase washing and a vapor-phase hot hydrogen stripping operation.

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patent: 4139573 (1979-02-01), Carson
patent: 4973780 (1990-11-01), Johnson et al.
patent: 5157196 (1992-10-01), Crossland et al.

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