Process for the simultaneous removal of H.sub.2 S, SO.sub.2 and

Details Process for the simultaneous removal of H.sub.2 S, SO.sub.2 and Process for the simultaneous removal of H.sub.2 S, SO.sub.2 and

1983-10-26

1985-07-23

Thomas, Earl C.

Chemistry of inorganic compounds

Sulfur or compound thereof

Elemental sulfur

23295R, 55 73, C01B 1705

Patent

active

045308276

ABSTRACT:
A process for the simultaneous removal of H.sub.2 S, SO.sub.2 and elemental sulfur from gaseous mixtures, comprises treating the gaseous mixture with a solvent. After the solvent becomes loaded with the components to be removed, it is regenerated and reused. In order to obtain savings in costs and energy, the sulfur is separated from the loaded solvent by lowering the temperature thereof. In this way, chemical regeneration of the scrubbing medium takes place within the cycle eliminating the requirement for outside regenerating apparatus.

REFERENCES:
patent: 2987379 (1961-06-01), Urban
patent: 2992076 (1961-07-01), Thompson et al.
patent: 3149920 (1964-09-01), Urban
patent: 3798315 (1974-03-01), Nicklin
patent: 4107269 (1978-08-01), Rossarie et al.
patent: 4250151 (1981-02-01), Johnson
patent: 4315904 (1982-02-01), Lell et al.
Kirk-Othmer Encyclopedia of Chemical Technology, John Wiley & Sons, vol. 7, pp. 279-280, 3rd edition.
"Hydrocarbon Processing", Apr. 1973, pp. 111-115 and 133.

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