发明授权
US5455368A Process for separating off methanol from a mixture of dimethyl carbonate
and methanol
失效
从碳酸二甲酯和甲醇的混合物中分离甲醇的方法
- 专利标题: Process for separating off methanol from a mixture of dimethyl carbonate and methanol
- 专利标题(中): 从碳酸二甲酯和甲醇的混合物中分离甲醇的方法
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申请号: US351860申请日: 1994-12-08
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公开(公告)号: US5455368A公开(公告)日: 1995-10-03
- 发明人: Ingo Janisch , Heinz Landscheidt , Werner Struver , Alexander Klausener
- 申请人: Ingo Janisch , Heinz Landscheidt , Werner Struver , Alexander Klausener
- 申请人地址: DEX Leverkusen
- 专利权人: Bayer Aktiengesellschaft
- 当前专利权人: Bayer Aktiengesellschaft
- 当前专利权人地址: DEX Leverkusen
- 优先权: DEX4342713.8 19931215
- 主分类号: C07C68/08
- IPC分类号: C07C68/08 ; C07C69/96 ; C07C27/26 ; C07C29/76 ; C07C31/04
摘要:
Methanol can be substantially removed from dimethyl carbonate (DMC)/methanol mixtures by absorption on ion exchange resins. The enriched DMC is obtained as filtrate. The absorption is carried out at from -50.degree. C. to +100.degree. C. and 0.1-10 bar.
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