METHOD FOR PRODUCING VINYL ACETATE
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United States of America Patent
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Issued Date -
Oct 9, 2014
app pub date -
Nov 6, 2012
filing date -
Nov 11, 2011
priority date (Note) -
Abandoned
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Abstract
The present invention discloses a method for producing vinyl acetate. Inert gas is introduced into cycling gas to improve the explosion limit of oxygen, enlarge a stable area of a reaction system and improve the oxygen concentration of the reaction system, thus reducing the reaction temperature, prolonging the service life of a catalyst, and improving the selectivity of the vinyl acetate. The inert gas is nitrogen or a mixture of nitrogen and methane. The concentration of the inert gas at the inlet of a reactor is 8 to 30 mol %. The molar concentration of the oxygen at the inlet of the reactor is 10.5 to 12 mol %.
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