Process for producing acrylic acid
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United States of America Patent
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Mar 26, 2013
Grant Date -
Jul 8, 2010
app pub date -
Jul 24, 2008
filing date -
Aug 30, 2007
priority date (Note) -
Expired
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Abstract
A process which enables production of acrylic acid on an industrial scale at high productivity with stability, comprising production of acrylic acid by oxidation of propane with molecular oxygen, is provided. The process is characterized in characterized by re-use of the gas containing unreacted propane, as obtained after recovering acrylic acid from the gas produced of the reaction, as a recycling gas after removing at least a part of carbon dioxide from the same gas.
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