发明授权
- 专利标题： Process for producing acetic acid
- 专利标题（中）： 生产乙酸的方法
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申请号： US14873808申请日： 2015-10-02
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公开(公告)号： US09382186B1公开(公告)日： 2016-07-05
- 发明人: Ronald D. Shaver , Yaw-Hwa Liu , Mark O. Scates
- 申请人： Celanese International Corporation
- 申请人地址： US TX Irving
- 专利权人： CELANESE INTERNATIONAL CORPORATION
- 当前专利权人： CELANESE INTERNATIONAL CORPORATION
- 当前专利权人地址： US TX Irving
- 代理机构： Kilpatrick Townsend & Stockton LLP
- 主分类号： C07C51/44
- IPC分类号： C07C51/44 ; C07C51/09
摘要：
A process for producing acetic acid is disclosed in which the water concentration is controlled in the side stream between two columns. Controlling the water concentration by the liquid light phase recycle controls the hydrogen iodide concentration in the side stream to be less than or equal to 50 wppm.
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