Continuous alkylation of aromatics using solid catalysts; preven

Details Continuous alkylation of aromatics using solid catalysts; preven Continuous alkylation of aromatics using solid catalysts; preven

1995-02-21

1997-07-15

Caldarola, Glenn

Chemistry of hydrocarbon compounds

Aromatic compound synthesis

By condensation of entire molecules or entire hydrocarbyl...

585446, C07C 15067

Patent

active

056485794

ABSTRACT:
A novel continuous process for the preparation of alkylated benzenes effected by solid catalysts which become deactivated under alkylation conditions uses a single catalyst zone for both reaction and catalyst flushing to prevent deactivation. The process utilizes a pulsed flow of the linear monoolefins into the catalyst zone during a reaction cycle with benzene acting as a desorbent for catalyst deactivating agents to prevent significant catalyst deactivation. The process can be generalized to encompass many types of reactions.

REFERENCES:
patent: 3851004 (1974-11-01), Yang
patent: 4008291 (1977-02-01), Zabransky et al.
patent: 4028430 (1977-06-01), Stine et al.
patent: 4072729 (1978-02-01), Stine et al.

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