Process for producing acetic acid

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United States of America Patent

PATENT NO 9676694
APP PUB NO 20170001937A1
SERIAL NO

15073111

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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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 50 wppm.

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Patent Owner(s)

  • CELANESE INTERNATIONAL CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Liu, Yaw-Hwa Missouri City, US 38 82
Scates, Mark O Houston, US 114 1958
Shaver, Ronald D Houston, US 49 100

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