Degassing molten sulfur

Details Degassing molten sulfur Degassing molten sulfur

1980-08-01

1981-11-10

Peters, G. O.

Chemistry of inorganic compounds

Sulfur or compound thereof

Elemental sulfur

C01B 17027

Patent

active

042998115

ABSTRACT:
A method for reducing the hydrogen sulfide, hydrogen polysulfides and/or ash content of molten sulfur is disclosed. The subject invention is directed at the addition of an effective amount of a degassing agent selected from the class consisting of inorganic phosphorous compounds, urea and urea derivatives without the necessity for also adding sulfur dioxide to the molten sulfur.

REFERENCES:
patent: 2169261 (1939-08-01), Lee et al.
patent: 3278269 (1966-10-01), Ekker et al.
patent: 3447903 (1969-06-01), Wiewiorowski

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