Method of separation of sulfur from a scrubbing liquid

Details Method of separation of sulfur from a scrubbing liquid Method of separation of sulfur from a scrubbing liquid

1980-02-08

1981-12-08

Garris, Bradley

Chemistry: physical processes

Physical processes

23308S, 210114, 210115, 210773, 210774, B01D 1702, B01D 4300

Patent

active

043045707

ABSTRACT:
A suspension of sulfur in a scrubbing liquid is preheated with steam to a temperature above the melting point of the sulfur so that the latter spontaneously melts in the suspension which is introduced into a separating chamber in a sealed vessel. The scrubbing liquid is decanted over a weir into a second chamber while the molten sulfur is drawn out at the bottom into a third chamber. The separating chamber is maintained at a pressure and temperature, by a vapor cushion above the liquid, such that evaporation of the incoming liquid does not occur, i.e. the separation pressure is the saturation pressure of the cushion. To prevent vapor condensation on the molten sulfur, the latter is maintained at a temperature higher than that of the liquid in the adjacent separating chamber.

REFERENCES:
patent: 1763762 (1930-06-01), Crowley
patent: 2826306 (1958-03-01), Burns
patent: 2984360 (1961-05-01), Smith
patent: 3804252 (1974-04-01), Rishel
patent: 3971719 (1976-07-01), Peters
patent: 4059517 (1977-11-01), Strahorn et al.
patent: 4111805 (1978-09-01), Pool et al.

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