Method of removing hydrosulfide from partial oxidation gas

Details Method of removing hydrosulfide from partial oxidation gas Method of removing hydrosulfide from partial oxidation gas

1989-12-08

1990-11-27

Nozick, Bernard

Gas separation

Means within gas stream for conducting concentrate to collector

55 49, 55 68, 55 73, 423229, B01D 1900

Patent

active

049733400

ABSTRACT:
A method of removing hydrosulfide from a crude gas produced by partial oxidation of carbon-containing material comprises the steps of treating a gas at a temperature between 10.degree. and 60.degree. C. with a suitable absorption solution, regenerating the absorption solution loaded durhg the treating, and cooling the crude gas which has been precleaned and pre-cooled to a temperature of 110.degree.-150.degree. C. before entering the absorption column, in a stepped manner in indirect heat exchange, the cooling including supplying the gas first through a reboiler of a desorption column and then through a heat exchanger which serves for preheating of the loaded absorption solution.

REFERENCES:
patent: 3266220 (1966-08-01), Woertz
patent: 4198378 (1980-04-01), Giammarco et al.
patent: 4869884 (1989-09-01), Riggs
Gwf-Gas/Erdgas, 121 (1980), Heft 12, Seite 545, Bild 3.

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