| 摘要 |
The present invention is for a process for providing fluid bed drying of material in an intentionally higher negative pressure atmosphere in the area of the material being dried. This intentional negative pressure of an additional approximate minus 1 to minus 10 inches of water column or more of static pressure is greater than that which is encountered and inherent with standard engineering design of fluid bed drying equipment, accessories and auxiliary equipment or what is commonly referred to as atmospheric fluid bed drying. This will significantly decrease the drying times of most if not all solvent based granulations.
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