Process for regenerating a catalyst
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United States of America Patent
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Apr 30, 2013
Grant Date -
Oct 1, 2009
app pub date -
Mar 26, 2009
filing date -
Mar 28, 2008
priority date (Note) -
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Abstract
A process for regenerating a fixed bed of Fischer-Tropsch catalyst particles, of which at least 40 wt % of the catalyst particles have a size of at least 1 mm, in situ in a Fischer-Tropsch reactor tube. The process comprises the steps of: (i) optionally oxidizing the catalyst at a temperature between 200 and 400° C.; (ii) oxidizing the catalyst at a temperature above 580° C. and below 670° C.; and (iii) reducing the catalyst with hydrogen or a hydrogen comprising gas. This process may be preceded by a step in which Fischer-Tropsch product is removed from the catalyst.
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