Invention Grant
- Patent Title: Method and apparatus for drying carboxylic acid
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Application No.: US11701128Application Date: 2007-02-01
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Publication No.: US08173835B2Publication Date: 2012-05-08
- Inventor: Kenny Randolph Parker , Philip Edward Gibson
- Applicant: Kenny Randolph Parker , Philip Edward Gibson
- Applicant Address: MX San Pedro Garza Garcia
- Assignee: Grupo Petrotemex, S.A. DE C.V.
- Current Assignee: Grupo Petrotemex, S.A. DE C.V.
- Current Assignee Address: MX San Pedro Garza Garcia
- Agency: Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
- Main IPC: C07C51/61
- IPC: C07C51/61

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.
Public/Granted literature
- US20070204479A1 Method and apparatus for drying carboxylic acid Public/Granted day:2007-09-06
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