Catalyst and method of making micrometer sized spherical particles
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United States of America Patent
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Aug 19, 2003
Grant Date -
Aug 15, 2002
app pub date -
Sep 14, 2001
filing date -
Sep 14, 2000
priority date (Note) -
Expired
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Abstract
A method for producing small spherical particles that are especially useful as catalysts and catalyst supports employed in chemical processes is disclosed. According to some embodiments, the method includes impregnating a porous support with a metal or metal oxide and dissolving the support to release spherical particles. In certain embodiments the support that is employed in the method comprises a number of spherical voids which determine the size of the spherical particles, and preferably have micrometer range diameters. One embodiment of an attrition resistant Fischer-Tropsch catalyst comprises a plurality of micrometer size spherical metal and/or metal oxide particles that are prepared according to the above-described method.
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