Physical solvent for gas sweetening

Details Physical solvent for gas sweetening Physical solvent for gas sweetening

1982-02-16

1982-11-23

Nozick, Bernard

Gas separation

Means within gas stream for conducting concentrate to collector

423226, 423228, B01D 1900

Patent

active

043603637

ABSTRACT:
The alkanolpyridines, as physical solvents, compare favorably, as a family, with sulfolane in their absorption of hydrogen sulfide and mercaptans. The data show absorption differences of the alkanolpyridines diluted with water, as compared with the alkanolpyridines mixed with amine. Both sets of data indicate an absorption performance substantially equal to, or better than, the performance of sulfolane. The chemical structure of pyridine is shown below. This structure is shown with the understanding that the alkanolpyridines would have the propanol or carbinol radicals, which are also shown, or other alkanol radicals substituted at the 2, 3 or 4 position. ##STR1##

REFERENCES:
patent: 4079117 (1978-03-01), Butwell

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