Sulfur recovery process

Details Sulfur recovery process Sulfur recovery process

1972-03-09

1976-02-17

Peters, G. O.

Chemistry of inorganic compounds

Sulfur or compound thereof

Elemental sulfur

C01B 1714

Patent

active

039392562

ABSTRACT:
A method for the separation and recovery of elemental sulfur from mixtures of foreign material and sulfur which comprises washing the foreign material and sulfur mixture to remove impurities which are deleterious to coalescence of the sulfur particles followed by adding as a cleansing and coalescence agent an alkali metal hydroxide or carbonate, heating the mixture to a temperature above the melting point of sulfur for one hour to coalesce the sulfur particles, and separating the coalesced sulfur from the foreign material.

REFERENCES:
patent: 1798912 (1931-03-01), Sperr
patent: 1990602 (1935-02-01), Guernsey
patent: 2459764 (1949-01-01), Yeiser
patent: 2838391 (1958-06-01), Kaufman et al.
patent: 3371999 (1968-03-01), Skrzec

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