Catalyst for purification of exhaust gas and method for purification using the same
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United States of America Patent
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May 13, 2014
Grant Date -
Aug 18, 2011
app pub date -
Oct 16, 2009
filing date -
Oct 17, 2008
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Abstract
A catalyst for the purification of exhaust gas that can be used to highly efficiently treat an exhaust gas which has moisture and fluctuates between an oxidizing atmosphere and a reducing atmosphere even after the catalyst is exposed to a high temperature is provided. The present invention relates to a catalyst for the purification of exhaust gas having a catalyst layer of catalyst components comprising a noble metal, magnesium oxide, and a refractory inorganic oxide formed on a three-dimensional structure, wherein the catalyst layer has two peaks originated from the magnesium oxide in a pore distribution obtained by mercury intrusion technique.
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