Reducing ash content of molten sulfur

Details Reducing ash content of molten sulfur Reducing ash content of molten sulfur

1980-08-01

1982-02-02

Peters, G. O.

Chemistry of inorganic compounds

Sulfur or compound thereof

Elemental sulfur

C01B 1702

Patent

active

043139221

ABSTRACT:
A method for reducing the concentration of ash-forming compounds in molten sulfur is disclosed. The subject invention is directed at the addition to the molten sulfur of an ash flotation agent selected from the class consisting of sulfur compounds in an oxidation state lower than maximum, phosphorous compounds, and ammonium amide, and amino compounds to cause at least a portion of the ash-forming compounds to float to the surface of the molten sulfur storage facility. The ash-forming compounds which collect at the surface of the molten sulfur facility may then be removed by conventional means.

REFERENCES:
patent: 1990602 (1936-02-01), Guernsey et al.
patent: 2416663 (1947-02-01), Menefee
patent: 2767060 (1956-10-01), Sloan
patent: 3687628 (1972-08-01), Nelen
"Chem. Abst." vol. 52, 1958; 16999g.

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