Process and device for separating a sulfur-lye suspension

Details Process and device for separating a sulfur-lye suspension Process and device for separating a sulfur-lye suspension

1987-06-26

1990-07-10

Bell, Mark L.

Chemistry: physical processes

Physical processes

Melting out

210773, 210535, 210513, 2105321, C01D 320

Patent

active

049398172

ABSTRACT:
For separating sulfur from a sulfur-lye suspension, the suspension is fed into a flooded separation tank, a temperature above the melting temperature of sulfur is maintained in the separation tank, and liquid sulfur and lye are withdrawn from the separation tank. To reduce the formation of sodium thiosulfate, the area of the interfacial separation layer between liquid sulfur and lye is maintained as small as possible in separation tank (15) by providing that the liquid sulfur be fed into a relatively small diameter vertical separation pipe (4), in which the separation layer (6) between liquid sulfur and lye is established, and the liquid sulfur is drained out through separation pipe (4). (FIG. 1)

REFERENCES:
patent: 1438048 (1922-12-01), Marsh
patent: 2625268 (1953-01-01), Hatfield
patent: 2762511 (1956-09-01), Sternaman
patent: 2883060 (1959-04-01), Griffith
patent: 4304570 (1981-12-01), Kleeberg et al.
patent: 4519907 (1985-05-01), Rooney
Perry et al, Chemical Engineer's Handbook, McGraw-Hill, New York, 5th ed., 1973, pp. 21-11, 12.

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