Invention Grant
- Patent Title: Process for producing acetic acid
- Patent Title (中): 生产乙酸的方法
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Application No.: US14788928Application Date: 2015-07-01
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Publication No.: US09302974B1Publication Date: 2016-04-05
- Inventor: Ronald D. Shaver , Yaw-Haw Liu , Mark O. Scates
- Applicant: Celanese International Corporation
- Applicant Address: US TX Irving
- Assignee: CELANESE INTERNATIONAL CORPORATION
- Current Assignee: CELANESE INTERNATIONAL CORPORATION
- Current Assignee Address: US TX Irving
- Agency: Kilpatrick Townsend & Stockton LLP
- Main IPC: C07C51/44
- IPC: C07C51/44 ; C07C51/09
Abstract:
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 a recycle rate of the light liquid phase maintains the hydrogen iodide concentration in the side stream to be up to 50 wppm.
Information query
