Method of sulfur prilling

Details Method of sulfur prilling Method of sulfur prilling

B - Operations, Transporting

01

J

18/501

B01J 2/04 (2006.01) C01B 17/10 (2006.01)

Patent

CA 1151372

ABSTRACT OF THE INVENTION The invention provides a process for the granulation of sulfur, consisting in the solidification of liquid sulfur on a counter-current stream of air in a column, characterized in that liquid sulfur is introduced into a vertical air stream 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 the formed granule in the zone of intensive cooling. As an additional cooling medium, water may be introduced into the air stream in the form of a mist. The variable air velocity may be achieved by varying the cross-sectional area of the air stream. The process according to the invention selectively produces granules that have any grain characteristic, smooth spherically formed surfaces and high mechanical strength.

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