There are only three mechanisms for the deactivation of catalyst: crystallite agglomeration due to exposure to excessive temperature, poisoning due to reacting with known catalyst poisons, and masking caused by organic build up “blinding” active catalyst sites. In the last instance, the catalyst can be restored through a regenerative washing procedure. The procedure entails a chemical treatment to fix the precious metal followed by an alkali and acid bath. The regenerated catalyst is then tested to confirm that it can be returned to service and meet compliance requirements.
In the event that catalyst cannot be regenerated, ACS can facilitate the reclamation of the precious metal from your spent catalyst and issue a credit memo for a brand new replacement catalyst in the amount of the value of the reclaimed precious metal. Let us prolong your catalyst’s useful life and recycle your spent catalyst to save you money.