Method for removing elemental sulfur particles from the aqueous

Details Method for removing elemental sulfur particles from the aqueous Method for removing elemental sulfur particles from the aqueous

1982-12-27

1985-04-02

Castel, Benoit

Chemistry: physical processes

Physical processes

423224, 423226, 423567R, 423573R, C01B 1704

Patent

active

045085374

ABSTRACT:
A method is provided for removing elemental sulfur particles from a hydrogen sulfide removal process which employs a regenerable, aqueous washing solution capable of absorbing hydrogen sulfide from an industrial gas stream and converting that hydrogen sulfide to elemental sulfur. The washing solution of such a process is contacted with bubbles of an oxygen-containing gas while in the presence of controlled concentrations of a selected hydrocarbon and a selected surfactant.

REFERENCES:
patent: 4002721 (1977-01-01), Guffy et al.
patent: 4208385 (1980-06-01), Robbins et al.
patent: 4243648 (1981-01-01), Fenton
patent: 4344863 (1982-08-01), Robbins et al.
patent: 4393037 (1983-07-01), Delaney et al.
patent: 4401642 (1983-08-01), Blytas et al.
"Refiners Focus on Sulfur Recovery", Oil & Gas Journal, Jun. 28, 1982.
"First Commercial Test is Successful for Catalytic Hydrogen Sulfide Oxidation Process", A. J. Cabodi, H. R. Van, and L. C. Hardison, Oil & Gas Journal, Jul. 5, 1982.

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