发明授权
- 专利标题: Distillation column and method for distilling acrylic acid
- 专利标题(中): 蒸馏塔和蒸馏丙烯酸的方法
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申请号: US13881825申请日: 2011-12-09
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公开(公告)号: US09079122B2公开(公告)日: 2015-07-14
- 发明人: Jochen Bauer , Frank Castillo-Welter , Markus Kreich , Klaus Kirsten , Christoph Steden , Dominic Walter
- 申请人: Jochen Bauer , Frank Castillo-Welter , Markus Kreich , Klaus Kirsten , Christoph Steden , Dominic Walter
- 申请人地址: DE Frankfurt am Main
- 专利权人: Lurgi GmbH
- 当前专利权人: Lurgi GmbH
- 当前专利权人地址: DE Frankfurt am Main
- 代理机构: Norris McLaughlin & Marcus PA
- 优先权: DE102011013561 20110310
- 国际申请: PCT/EP2011/006199 WO 20111209
- 国际公布: WO2012/119629 WO 20120913
- 主分类号: B01D3/22
- IPC分类号: B01D3/22 ; B01D3/32 ; C07C51/44
摘要:
A distillation column with external circulation evaporator and a sedimentation zone in the bottom of the column, from which the evaporator circulation is fed, and use of the distillation column for the distillation of acrylic acid.
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