Method of condensing phthalic anhydride

Details Method of condensing phthalic anhydride Method of condensing phthalic anhydride

1974-01-14

1976-04-20

Moatz, Harry I.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

23252R, 23259, C07D30782

Patent

active

039520226

ABSTRACT:
A method of condensing and recovering phthalic anhydride in dilute concentration in gases discharged from reactors. The method comprises condensing the anhydride on a solid granular carrier moving in a pneumatic conveyor, separating the condensate from its carrier and cooling the said carried in a fluidized bed for recycling it. The method is also application to the condensation of other sublimable substances.

REFERENCES:
patent: 2583013 (1952-01-01), Patterson
patent: 2702091 (1955-02-01), Smith

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