Sulfonating or sulfating method

Details Sulfonating or sulfating method Sulfonating or sulfating method

1972-04-13

1978-07-25

Morgenstern, Norman

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260400, 260401, 260456R, 260456P, 260457, 260459R, 260460, 260505A, 260505E, 260505S, 260512R, 260513T, C07C13904

Patent

active

041029119

ABSTRACT:
A method for reacting sulfur trioxide and sulfateable or sulfonateable liquid organic compounds such as alcohols, and unsaturated or aromatic compounds is disclosed which comprises contacting said organic liquid with a gaseous mixture of from 2 to 20% by volume of sulfur trioxide and the balance an inert gas diluent, in a vertical cylindrical reaction zone that is at least about 25 mm. in diameter and comprises a straight cylinder having a gas-liquid contact length of at least 1.5 meters and having an annular inlet means for the liquid at the lower end of the reaction zone; the contact being effected by means of an upward stream of the gaseous mixture having sufficient velocity to form the liquid into a rising annular film throughout the length of the zone.

REFERENCES:
patent: 2828331 (1958-03-01), Marisic et al.
patent: 2923728 (1960-02-01), Falk et al.
patent: 3270038 (1966-08-01), Marshall et al.
patent: 3396204 (1968-08-01), McCarty et al.

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