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PELLETIZING A SULPHUR-BENTONITE CLAY MIXTURE
PELLETIZING A SULPHUR-BENTONITE CLAY MIXTURE
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机译:将硫磺-膨润土黏土制粒
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摘要
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.
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