Halogen-containing catalyst and process for the preparation thereof
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United States of America Patent
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Feb 11, 2003
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Jan 4, 2000
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Jun 12, 1997
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Abstract
The present invention is directed to a halogen-containing catalyst which contains one or more halogen components and in which the halogen amount distribution in the catalyst is uniform, and a process for preparing a halogen-containing catalyst which comprises the steps of supporting one or more halogen components on an L type zeolite, and then drying it at a water evaporation rate of 15% by weight/hour or less. According to the present invention, there can be provided the catalyst in which the halogen amount distribution in the catalyst is uniform, so that a cracking activity can be reduced, and the process for preparing the catalyst.
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