Catalytic removal of trichloroethylene from water over palladium loaded microporous and hierarchical zeolites
PBN-AR
Instytucja
Instytut Chemii Fizycznej Polskiej Akademii Nauk
Informacje podstawowe
Główny język publikacji
en
Czasopismo
APPLIED CATALYSIS B-ENVIRONMENTAL
ISSN
0926-3373
EISSN
Wydawca
ELSEVIER SCIENCE BV
DOI
URL
Rok publikacji
2016
Numer zeszytu
Strony od-do
550-560
Numer tomu
181
Identyfikator DOI
Liczba arkuszy
Autorzy
(liczba autorów: 4)
Pozostali autorzy
+ 3
Streszczenia
Język
en
Treść
The work was aimed to investigate the catalytic properties of Pd- containing ZSM-5 zeolites in hydrodechlorination of trichloroethylene (TCE HDC) in aqueous phase. Conventional purely microporous zeolite ZSM-5 and its mesostructured analogue obtained by alkaline leaching were used as the supports for palladium moieties. The resulting materials were subjected to chemical analysis, XRD characterization, CO chemisorption, and spectroscopic investigation (XPS and FTIR) and, then, used as the catalysts in removal of trichloroethylene from drinking water. The studies have shown clearly that catalytic performance of palladium loaded materials depended on acidic and textural properties of zeolites, which influenced both noble metal dispersion and Pd-0/Pd2+ ratio. In a series of the zeolite catalysts the best results were obtained for palladium deposited on desilicated form of ZSM-5. Palladium in the form of uniformly dispersed species, containing large amount of Pd-0 species was found to be significantly active in TCE HDC. (C) 2015 Elsevier B.V. All rights reserved.
Cechy publikacji
ORIGINAL_ARTICLE
Inne
System-identifier
723027
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