POTASSIUM OXIDE-INCORPORATED ALUMINA CATALYSTS WITH ENHANCED STORAGE CAPACITIES OF NITROGEN OXIDE AND A PRODUCING METHOD THEREFOR
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United States of America Patent
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Issued Date -
Mar 25, 2010
app pub date -
Nov 19, 2006
filing date -
Nov 29, 2006
priority date (Note) -
Abandoned
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Abstract
Disclosed herein is a method of producing a catalyst for storing nitrogen oxides, including: supporting a potassium oxide on alumina, which serves as a support, and then calcining the alumina supported with the potassium oxide at a high temperature, thus chemically bonding potassium oxide with the alumina. The method is advantageous in that a catalyst for storing nitrogen oxides, having high nitrogen oxide storage capacity and excellent hydrothermal stability, can be produced at low cost through a simple process.
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