发明公开
- 专利标题： Process for preparing and purifying acrylic acid from propylene having improved capacity
- 专利标题（中）： 与丙烯酸由丙烯制备和纯化的改进容量的方法
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申请号： EP00306172.8申请日： 2000-07-20
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公开(公告)号： EP1070700A3公开(公告)日： 2003-01-02
- 发明人: Elder, James Edward , Lonzetta, Charles Michael , Klugherz, Peter David , Ebert, Donald Alan , Williams, Elaine Lashae
- 申请人： ROHM AND HAAS COMPANY
- 申请人地址： 100 Independence Mall West Philadelphia, Pennsylvania 19106-2399 US
- 专利权人： ROHM AND HAAS COMPANY
- 当前专利权人： ROHM AND HAAS COMPANY
- 当前专利权人地址： 100 Independence Mall West Philadelphia, Pennsylvania 19106-2399 US
- 代理机构： Buckley, Guy Julian
- 优先权： US145308P 19990723
- 主分类号： C07C57/05
- IPC分类号： C07C57/05 ; C07C57/055 ; C07C57/07 ; C07C51/25
摘要：
This invention relates to an improved process for preparing acrylic acid from propylene using a tandem reactor and utilizing an increased amount of propylene reactant, thereby providing increased capacity and throughput. An improved process for purifying acrylic acid is also disclosed.
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