Method of granulation of sulfur

Details Method of granulation of sulfur Method of granulation of sulfur

1979-11-06

1981-04-21

Cuchinski, Jr., William A.

Chemistry: physical processes

Physical processes

Agglomerating

264 14, C01B 1702

Patent

active

042630126

ABSTRACT:
The method consists in a counter-current introducing of liquid sulfur into a vertical stream of air, having the linear velocity increasing downwards, from a velocity lower than the critical velocity of sulfur dust in the sprinkling zone to a velocity higher than the critical velocity of formed granule in the zone of intensive cooling. As an additional cooling medium water can be employed, introduced in form of a mist at the place of emission of the air from the column into the ambient atmosphere.
The variable velocity of air is achieved through employing in the granulating apparatus the cross-sectional area increasing from the smallest in the zone of intensive cooling to the maximum area in the sprinking zone.
After the method according to the invention granules can be produced, having any grain characteristic, high selectivity and smooth spherically formed surface, and high mechanical strength.

REFERENCES:
patent: 3231413 (1966-01-01), Berquin
patent: 3538200 (1970-11-01), Hite
patent: 3689226 (1972-09-01), Stoddard
patent: 3838979 (1974-10-01), Sims
patent: 4031174 (1977-06-01), Bennett
patent: 4190622 (1980-02-01), Landis

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