Method for preparing catalyst for carbon monoxide shift reaction
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United States of America Patent
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Issued Date -
Dec 30, 2004
app pub date -
May 4, 2004
filing date -
Nov 7, 2001
priority date (Note) -
Abandoned
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Abstract
It is an object of the present invention to provide a catalyst for the shift reaction (i.e., catalyst for converting carbon monoxide and steam into carbon dioxide and hydrogen) easily being activated, being unaffected by oxygen which may flow into the system when it is repeatedly started up and shut down, and stably serving for extended periods, and it is another object of the present invention to provide the method of preparing the same catalyst, and for these purposes there are provided a method of preparing a catalyst for the shift reaction of carbon monoxide, characterized in that it uses a carrier of a metal oxide or a compound metal oxide having a pore volume of 0.25 ml/g or more and a packed density of 1 g/ml or less, and that the carrier is impregnated with a Pt compound which does not contain halogen and sulfur as a water-soluble precursor for the Pt, and the catalyst prepared by said method.
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