C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
400/1, 6/220, 6/
C09K 3/00 (2006.01) B01J 2/06 (2006.01) B01J 2/18 (2006.01) C01B 17/02 (2006.01)
Patent
CA 1079905
ABSTRACT OF THE DISCLOSURE A process is provided for pelletizing sulphur by solid- ifying molten droplets of sulphur containing dispersed there- within an effective minor amount of a mechanical strength im- proving modifying additive, e.g. 4 - 10 ppm of an additive selected from the group consisting of an organopolysiloxane, kerosene, other lower boiling range straight chain hydrocarbon than kerosene, or mixtures thereof, for increasing the mechan- ical strength of the resultant pellets. The solidifying is achieved by contact, for example, with water as coolant, either by feeding molten droplets of, or an unbroken continuous stream of, the molten sulphur-dispersed additive mixture into the water, preferably at a coolant temperature operatively below that of the molten sulphur and above its own freezing temperature and at a molten sulphur-dispersed additive mixture feeding temper- ature of particularly optionally between 130 - 140°C. The novel resultant sulphur pellets of improved close grained, substantially amorphous structure thereby produced, are also part of this invention.
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