Invention Grant
- Patent Title: Membrane-augmented distillation with pressure change to separate solvents from water
- Patent Title (中): 增压蒸馏，压力变化，以将溶剂与水分离
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Application No.: US12229790Application Date: 2008-08-27
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Publication No.: US08128787B2Publication Date: 2012-03-06
- Inventor: Nicholas P. Wynn , Yu Huang , Masakatsu Urairi , Richard W Baker
- Applicant: Nicholas P. Wynn , Yu Huang , Masakatsu Urairi , Richard W Baker
- Applicant Address: JP Osaka
- Assignee: Nitto Denko Corporation
- Current Assignee: Nitto Denko Corporation
- Current Assignee Address: JP Osaka
- Agent J. Farrant; K. Bean
- Main IPC: B01D3/00
- IPC: B01D3/00 ; C07C45/82 ; C07C29/80 ; C07C51/44
Abstract:
Processes for removing water from organic solvents, such as ethanol. The processes include distillation in two columns operated at sequentially higher pressure, followed by treatment of the overhead vapor by one or two membrane separation steps.
Public/Granted literature
- US20090004713A1 Membrane-augmented distillation with pressure change to separate solvents from water Public/Granted day:2009-01-01
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