Invention Grant
US08373008B2 Recovery of butanol from a mixture of butanol, water, and an organic extractant
有权
从丁醇,水和有机萃取剂的混合物中回收丁醇
- Patent Title: Recovery of butanol from a mixture of butanol, water, and an organic extractant
- Patent Title (中): 从丁醇,水和有机萃取剂的混合物中回收丁醇
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Application No.: US12948945Application Date: 2010-11-18
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Publication No.: US08373008B2Publication Date: 2013-02-12
- Inventor: Michael Charles Grady , William D. Parten , Bruce Vrana , Yihui Tom Xu , Joseph J. Zaher
- Applicant: Michael Charles Grady , William D. Parten , Bruce Vrana , Yihui Tom Xu , Joseph J. Zaher
- Applicant Address: US DE Wilmington
- Assignee: Butamax (TM) Advanced Biofuels LLC
- Current Assignee: Butamax (TM) Advanced Biofuels LLC
- Current Assignee Address: US DE Wilmington
- Agent Christine M. Lhulier
- Main IPC: C07C29/80
- IPC: C07C29/80 ; C07C29/84

Abstract:
A process for recovering butanol from a mixture comprising a water-immiscible organic extractant, water, butanol, and optionally a non-condensable gas, is provided. The butanol is selected from 1-butanol, 2-butanol, isobutanol, and mixtures thereof. An overhead stream from a first distillation column is condensed to recover a mixed condensate. An entrainer is added to at least one appropriate process stream or vessel such that the mixed condensate comprises sufficient entrainer to provide phase separation of the organic and the aqueous phases to provide for recovery of the butanol.
Public/Granted literature
- US20110288344A1 RECOVERY OF BUTANOL FROM A MIXTURE OF BUTANOL, WATER, AND AN ORGANIC EXTRACTANT Public/Granted day:2011-11-24
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