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Catalyst regeneration and rejuvenation

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    • #536
      Nasir Hussain
      Keymaster

      What is catalyst regeneration?  what is catalyst rejuvenation? what is the difference between catalyst regeneration and rejuvenation?

    • #554
      Nasir Hussain
      Keymaster

      Regeneration by catalyst activity is recovered by controlled combustion of the spent catalyst with air. As a result accumulated coke is converted to CO2 and CO plus small amounts of SO2 and NOx, which are formed from the sulfur and nitrogen in the coke. Regeneration can recover 75~80 % activity of the catalyst.

      While Rejuvenation, a wet process in which the active metals are chemically re-dispersed. A combination of regeneration and rejuvenation can restore a catalyst to more than 95% of its original activity.

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