Hydrogen sulfide removal from contaminated sulfur

Chemistry of inorganic compounds – Sulfur or compound thereof – Elemental sulfur

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Details

C01B 1714

Patent

active

040027287

ABSTRACT:
The hydrogen sulfide content of hydrogen-sulfide-contaminated elemental sulfur in the liquid phase is reduced by an aqueous extraction which is carried out under superatmospheric pressure and a suitable temperature.

REFERENCES:
patent: 1586539 (1926-01-01), Thornton
patent: 1990602 (1935-02-01), Guernsey
patent: 2092625 (1937-09-01), Rich
patent: 3364655 (1968-01-01), Solinhac
patent: 3799884 (1974-03-01), Young

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