Chemistry of inorganic compounds – Sulfur or compound thereof – Elemental sulfur
Patent
1973-01-22
1977-07-19
Thomas, Earl C.
Chemistry of inorganic compounds
Sulfur or compound thereof
Elemental sulfur
423226, 423228, 423229, 423243, 208207, B01D 5334
Patent
active
040369420
ABSTRACT:
A process is provided for removing hydrogen sulfide and alkyl mercaptans from fluid streams by reaction with oxygen in the presence of a metal amino acid chelate in aqueous solution containing an amine, converting hydrogen sulfide to sulfur and alkyl mercaptans to dialkyl disulfides, and separating these from the aqueous metal chelate solution.
A process is also provided for removing hydrogen sulfide and alkyl mercaptans from fluid streams in which the gaseous or liquid stream is dispersed in aqueous metal chelate solution in a fine dispersion short of foam formation and passed through a reaction zone at a high flow velocity, where hydrogen sulfide is catalytically oxidized to sulfur, and alkyl mercaptans to dialkyl disulfides, and then into a relatively wide quiescent zone where the dispersion breaks, the gases are separated, and the metal chelate solution recovered.
REFERENCES:
patent: 1783901 (1930-12-01), Bottoms
patent: 3068065 (1962-12-01), Hartley et al.
patent: 3087793 (1963-04-01), Hay
patent: 3097925 (1963-07-01), Pitts
patent: 3658462 (1972-04-01), Van Scoy
patent: 3706538 (1972-12-01), Chew
Ruff Charles David
Sibeud Jacques Pierre
Rhodia Inc.
Thomas Earl C.
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