发明授权
- 专利标题: Separation of 2-butanol from isobutanol by extractive distillation
- 专利标题(中): 通过萃取蒸馏从异丁醇中分离出2-丁醇
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申请号: US917448申请日: 1997-08-22
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公开(公告)号: US5795447A公开(公告)日: 1998-08-18
- 发明人: Lloyd Berg
- 申请人: Lloyd Berg
- 专利权人: Berg; Lloyd
- 当前专利权人: Berg; Lloyd
- 主分类号: C07C29/84
- IPC分类号: C07C29/84 ; B01D3/40
摘要:
2-Butanol cannot be separated from isobutanol by distillation or rectification because of the closeness of their boiling points. 2-Butanol is readily separated from isobutanol by extractive distillation. Effective agents are propylene glycol propyl ether, 2-methoxyethanol and ethyl acetate.
公开/授权文献
- USD347425S Portable radio 公开/授权日:1994-05-31
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