Process for the regeneration of a catalyst based on trivalent chromium compounds
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United States of America Patent
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Oct 6, 1998
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N/A
app pub date -
May 2, 1997
filing date -
May 6, 1996
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Expired
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Abstract
Process for the regeneration of a fluorination catalyst based on Cr(III) compounds optionally supported, which comprise a) treatment at 350.degree.-40.degree. C. with an air/inert gas mixture and b) treatment at 300.degree.-380.degree. C. with a mixture of an inert gas containing from 0.5 to 5% by volume of an aliphatic hydrocarbon C.sub.1 -C.sub.8.
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