CHARACTERIZATION OF HETEROGENEOUS CATALYSTS BY ELECTRICAL MEASUREMENTS
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United States of America Patent
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Issued Date -
Feb 14, 2002
app pub date -
Sep 4, 1998
filing date -
Sep 4, 1998
priority date (Note) -
Abandoned
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Abstract
This invention is directed to a method of monitoring the relative activity of various heterogeneous catalysts by analyzing their bulk electrical properties such as specific conductivity or resistance. The difference between the resistance of fresh and spent catalysts is to be large (as high as four orders of magnitude). These large differences make this invention a very sensitive indicator of changes that may happen at the surface and/or in the bulk of the catalyst. The simplicity of this new invention renders it to be a sensitive potential on-line testing method of catalyst activity.
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