Method of degasifying liquid sulfur which contains hydrogen sulf

Details Method of degasifying liquid sulfur which contains hydrogen sulf Method of degasifying liquid sulfur which contains hydrogen sulf

1985-05-07

1986-09-16

Hart, Charles

Gas separation

Means within gas stream for conducting concentrate to collector

55 41, 55 42, 55 53, 55196, 55 94, 423578R, B01D 1900

Patent

active

046120203

ABSTRACT:
The liquid sulfur which contains H.sub.2 S is sprayed in a steel vessel and the liberated gases which are rich in H.sub.2 S are withdrawn. A degasification accelerator is added to the liquid sulfur. The steel vessel contains at least two chambers, which communicate with each other and are connected in series. Sulfur at temperatures in the range from 140.degree. to 160.degree. C. is supplied to the first chamber. Sulfur is withdrawn from the second chamber and is cooled to temperatures of 120.degree. to 135.degree. C. outside the vessel. The liquid sulfur which has been cooled is sprayed in the gas space of the first chamber. The sulfur is caused to remain in the steel vessel for a dwelling time of 12 to 32 hours. The gas spaces of the chambers are scavenged with an oxygen-free inert gas. The sulfur is withdrawn from the vessel and sprayed in the gas space of one of the chambers about 30 to 50 times until the dwelling time of the sulfur in the vessel has expired.

REFERENCES:
patent: 1823188 (1931-09-01), Bushnell
patent: 3364655 (1968-01-01), Solinhac
patent: 3532595 (1970-10-01), Arnesjo et al.
patent: 3867287 (1975-02-01), Jakob
patent: 3950150 (1976-04-01), Smorenburg
patent: 4304570 (1981-12-01), Kleeberg et al.

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