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US08173836B2 Method and apparatus for drying carboxylic acid 有权
羧酸干燥的方法和装置

Method and apparatus for drying carboxylic acid
Abstract:
Disclosed is a method and apparatus for drying a wet cake in a carboxylic acid production process. The method comprises employing a contact dryer for drying solid particles of carboxylic acid, where the solid particles can have a residence time of less than about 7 minutes in the dryer and an exit temperature of less than about 250° C. upon exiting the dryer.
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