Process for pelletizing a sulphur-bentonite clay mixture and the

Details Process for pelletizing a sulphur-bentonite clay mixture and the Process for pelletizing a sulphur-bentonite clay mixture and the

1977-04-20

1979-01-09

Lander, Ferris H.

Chemistry: fertilizers

Processes and products

For mushrooms

71 54, 71 62, 71 64E, 71DIG1, 10628732, C05G 304

Patent

active

041336690

ABSTRACT:
A process for pelletizing a mixture of elemental sulphur and bentonite clay to produce a water degradable prill includes adding dry clay dust to molten sulphur at an elevated temperature to provide a molten sulphur-clay mixture, forming droplets of the mixture, providing a liquid fertilizer coolant at a temperature lower than the freezing temperature of the sulphur-bentonite mixture, feeding the droplets into the coolant, passing the droplets through the coolant for a time sufficient to anneal the droplets into pellets, and removing the annealed pellets from the coolant.

REFERENCES:
patent: 1378084 (1921-05-01), Bacon et al.
patent: 3125434 (1964-03-01), Smith et al.
patent: 3325276 (1967-06-01), Feller et al.
patent: 3840232 (1974-10-01), Ludwig et al.

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