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Title:
RECOVERY OF CARBON MONOXIDE FROM PURGE GAS OF ACETIC ACID SYNTHESIS CONTAINING AT LEAST CARBON MONOXIDE, NITROGEN AND HYDROGEN
Document Type and Number:
Japanese Patent JPH09165354
Kind Code:
A
Abstract:

To recover carbon monoxide from purge gas of acetic acid synthesis while preventing the accumulation of nitrogen as an inert component.

In this method for recovering carbon monoxide from purge gas of acetic acid synthesis containing at least carbon monoxide, nitrogen and hydrogen, the purge gas 6 is divided into a gas fraction 11 rich in carbon monoxide and remained gas fractions 12, 13 rich in nitrogen and hydrogen by an absorption process G, especially a pressure-changing absorption process, and the fraction rich in carbon monoxide 11 is returned to a process prior to the acetic acid synthesis C.


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Inventors:
PEETAA HETSUSE
JIIKUFURIITO MIHIERU
HORUSUTO BUAISU
Application Number:
JP16657496A
Publication Date:
June 24, 1997
Filing Date:
May 23, 1996
Export Citation:
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Assignee:
LINDE AG
International Classes:
B01D53/62; B01D53/04; C01B32/40; C07C51/12; C07C51/14; C07C51/42; C07C53/08; (IPC1-7): C07C53/08; B01D53/04; B01D53/62; C01B31/18; C07C51/42
Attorney, Agent or Firm:
Watanabe Michitaka



 
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