Regeneration of oxidative dehydrogenation catalyst in a reactor
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United States of America Patent
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Jan 9, 2018
Grant Date -
Sep 7, 2017
app pub date -
Mar 1, 2017
filing date -
Mar 1, 2016
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Abstract
Disclosed herein is a process for the regeneration of oxidative dehydrogenation (OXO-D) catalyst in an alternate or separate regeneration reactor by employing controlled steam:air and time/pressure/temperature conditions. The process avoids destruction of the catalyst, and wear/tear on an OXO-D reactor. The regenerated catalyst is an iron based oxide catalyst which can be zinc or zinc-free. The iron based oxide catalyst is regenerated in the regeneration reactor by feeding an air/steam stream over a set amount of time, preferably about 6 days to yield a regenerated OXO-D catalyst. The regenerated catalyst is activated and re-utilized to produce butadienes.
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