GRANULAR MATERIAL DRYING METHOD, GRANULAR MATERIAL DRYING DEVICE AND GRANULAR MATERIAL PRODUCTION METHOD
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United States of America
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Issued Date -
Feb 6, 2025
app pub date -
Mar 28, 2023
filing date -
Mar 28, 2023
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Abstract
An object is to provide a drying method for continuous processing under reduced pressure, which affords high drying efficiency by bringing about an ideal fluidized state of a process product, the method including, with a median diameter (D50) of a granular starting material ranging from 1 μm to 1000 μm and under reduced pressure at an absolute pressure of 4 to 30, performing a drying treatment by fluidizing the granular starting material, through heating with a heating medium at a temperature 15 to 120° C. higher than the boiling point of a solvent in the granular starting material under the above reduced pressure.
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