The mainobjectiveofthepresentworkwasapplyinganewmethodtoregeneratethecokedHZSM-5
zeolite onalaboratoryscale.Thenon-thermalplasmainjection(NTPI)technology,whichcanovercome
the disadvantagesofconventionalregenerationmethods,hadbeenappliedtoregenerateHZSM-5zeolite
deactivated intheupgradingofbiomasspyrolysisvapors.Experimentswerecarriedoutatdifferent
temperatures usingself-designedsetuptoinvestigatetheregenerationeffectwithO2 as thedischargegas.
The optimalregenerationtemperaturewasaround250 ◦C andtheregenerationprocesscanbefinished
in ashortertime.CharacterizationsoftheHZSM-5zeolitebeforeandafterregenerationwereprofoundly
performed bySEM,TG,BETmethod,Pyr-FT-IRandXRD.Thecokecanberemovedcompletelyandthe
activity ofthecokedHZSM-5zeolitecanberecoveredquickly.ThecokedepositedontheHZSM-5zeolite
can beeffectivelydecomposedintoCOandCO2 by reactingwiththeactivesubstanceswhichwere
generated throughthedischargereactionsofNTPgenerator.Itispromisingtoapplythistechnologyto
the fieldofzeolite-basedcatalystregenerationandrealizeitsindustrialapplicationsinthenearfuture