CATALYST FOR PRODUCING A LIGHT OLEFIN AND METHOD FOR PRODUCING A LIGHT OLEFIN
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United States of America Patent
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Issued Date -
Aug 19, 2010
app pub date -
Oct 16, 2008
filing date -
Oct 23, 2007
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Abandoned
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Abstract
A catalyst for producing a light olefin including a pentasil-type zeolite, alkaline earth metal atoms and aluminum atoms contained in the pentasil-type zeolite satisfying the following atomic ratio: [alkaline earth metal atom/aluminum atom]=0.2 to 15, the average value of the gradient of an adsorption isotherm of the pentasil-type zeolite measured by the nitrogen adsorption method being 30 or more at a relative pressure of 0.2 to 0.7.
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