Selected solvent composition and process employing same

Details Selected solvent composition and process employing same Selected solvent composition and process employing same

1991-10-25

1993-03-09

Hart, Charles

Gas separation

Means within gas stream for conducting concentrate to collector

55 73, B01D 4700

Patent

active

051923416

ABSTRACT:
In an operation wherein a gaseous stream, such as an air stream, is contacted with a liquid selective solvent for a component of the gaseous stream for the removal of said component from the gaseous stream, improved results are obtain, particularly in a direct gas-liquid countercurrent contacting operation, by employing a liquid selective solvent which has a viscosity of less than about 30 centipoises at 77.degree. F. Suitable such solvents include diethyl phthalate, dioctyl phthalate, dioctyl adipate, acetyltributyl citrate and diisohexyl phthalate, particularly blends or mixtures thereof.

REFERENCES:
patent: 3738086 (1973-06-01), Bellisio et al.
patent: 3755191 (1973-08-01), Mattez et al.
patent: 3796669 (1974-03-01), Kiritani et al.
patent: 4705673 (1987-11-01), Capobianco et al.

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