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[2463] Artykuł:

Removal of adsorbed organic impurities from surface of spent catalysts Pd/activated carbons

Czasopismo: Adsorption-Journal of the International Adsorption Society   Tom: 11, Zeszyt: 1, Strony: 781-785
ISSN:  0929-5607
Wydawca:  SPRINGER, VAN GODEWIJCKSTRAAT 30, 3311 GZ DORDRECHT, NETHERLANDS
Opublikowano: 2005
 
  Autorzy / Redaktorzy / Twórcy
Imię i nazwisko Wydział Katedra Procent
udziału
Liczba
punktów
Lidia Dąbek orcid logoWiŚGiEKatedra Inżynierii i Ochrony Środowiska *****3320.00  
Andrzej Świątkowski33.00  
J. Dziaduszek33.00  

Grupa MNiSW:  Publikacja w czasopismach wymienionych w wykazie ministra MNiSzW (część A)
Punkty MNiSW: 20
Klasyfikacja Web of Science: Article; Proceedings Paper


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Keywords:

Pdactivated carbon catalyst  spent catalyst  regeneration 



Abstract:

Influence of method and conditions of spent Pd/AC catalyst regeneration on its catalytic activity was studied. It has been stated that supercritical fluid extraction (CO2) followed by heating in hydrogen atmosphere is an effective method of that catalyst regeneration. The results of FTIR and XPS investigations indicate that regeneration of a spent Pd/AC catalyst, irrespective of the reaction in which it has been used, should be based on the complete removal of by-products and cleaning the catalyst surface as well as on restoring the original form of the palladium. Proposed in this paper procedure i.e. SFE (CO2) and heating in H-2 fulfils both above mentioned conditions.