Degassing molten sulfur

Details Degassing molten sulfur Degassing molten sulfur

1981-10-05

1983-12-27

Thomas, Earl C.

Chemistry of inorganic compounds

Sulfur or compound thereof

Elemental sulfur

423567R, C01B 1714

Patent

active

044230257

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 organo-phosphorous compounds, dithionates, thiosulfates, bisulfates, and bisulfites.

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Z. Anal. Chem. 166 (1959) pp. 274-283.
Inorganic Sulfur Chemistry, Nickless, Elsevier Publishing Co. (1968).
The Analytical Chemistry of Sulfur and its Compounds, Part I, Karchmer, J. Wiley and Sons, Inc. (1970) pp. 63-66.
"The Problem of Hydrogen Sulfide in Liquid Sulfur Shipments" by J. B. Hyne (Alberta Sulfur Research Ltd. Publication).
"The Removal of H.sub.2 S `Dissolved`in Liquid Sulfur" by W. J. Rennie (Alberta Sulfur Research Ltd. Publication.

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