Thin film type sulfonation process of alkylbenzene

Details Thin film type sulfonation process of alkylbenzene Thin film type sulfonation process of alkylbenzene

1981-09-28

1983-06-28

Siegel, Alan

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260505E, C07C14324

Patent

active

043904750

ABSTRACT:
Alkylbenzene is sulfonated in a thin film type sulfonation process by adding 2 through 20 parts by weight, based on 100 parts by weight of said alkylbenzene, of alkylbenzene sulfonic acids having alkyl groups of 1 through 20 carbon atoms and/or benzene sulfonic acids to the alkylbenzene prior to the contact thereof with diluted gaseous sulfur trioxide. The addition of alkylbenzene sulfonic acids and/or benzenesulfonic acid effectively prevents the formation of adherent deposits on the surface of a reaction wall.

REFERENCES:
patent: 2723990 (1955-11-01), Flushing et al.
patent: 3270038 (1966-08-01), Timperley et al.
patent: 3328460 (1967-06-01), Vander Mey
patent: 4113765 (1978-09-01), Richardson et al.

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