Method of defoaming amine solutions

Details Method of defoaming amine solutions Method of defoaming amine solutions

1980-06-10

1982-02-02

Thomas, Earl C.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Carbon dioxide or hydrogen sulfide component

423229, 252321, 252358, B01D 5334

Patent

active

043139175

ABSTRACT:
A process is disclosed for inhibiting or eliminating foams and bubbles produced in the course of treating acidic gases with an aqueous solution. Defoaming is effected by the use of a modified silicone compound having the general formula ##STR1## where R.sub.1 -R.sub.8 are organic residues of 1-10 carbons, and n is an integer, and characterized by part of R.sub.1 -R.sub.8 being substituted by a group of the general formula

REFERENCES:
patent: 1944122 (1934-01-01), Fife
patent: 2390899 (1945-12-01), Reed
patent: 2826516 (1958-03-01), Froning et al.
patent: 4208385 (1980-06-01), Robbins et al.

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