PREPARATION METHOD OF PLATINUM/TIN/ALUMINA CATALYST FOR DIRECT DEHYDROGENATION OF n-BUTANE AND METHOD FOR PRODUCING C4 OLEFINS USING SAID CATALYST
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United States of America Patent
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Issued Date -
Oct 16, 2014
app pub date -
Apr 10, 2014
filing date -
Apr 11, 2013
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Abandoned
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Abstract
The provided is a preparation method of a platinum/tin/alumina catalyst which comprises platinum as an active component having high activity to direct dehydrogenation of n-butane, tin capable of preventing platinum particles from being sintered and maintaining a size of the platinum particles to be small, thereby improving dispersibility and increasing an amount at an active site during the dehydrogenation and also capable of suppressing carbon deposition, thereby increasing stability of the catalyst, and as an support for supporting them, an alumina support which is known as being suitable for direct dehydrogenation of n-butane and is capable of maintaining high dispersibility of the platinum with high thermal and mechanical stability, and a method for producing high value-added C4 olefins through direct dehydrogenation of inexpensive n-butane by using the catalyst prepared by the preparation method.
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