Sorption of Heavy Metal Cations on Mesoporous ZSM-5 and Mordenite Zeolites
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2019
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Abstract
Desilication and dealumination techniques were used to obtain mesoporous ZSM-5 and mordenite zeolites. The study provides insight into specific structural, textural, and sorption properties of obtained materials with different Si/Al ratios. Subsequent dealumination and desilication procedures were found to be efficient methods of generating a secondary system of mesopores in mordenite and ZSM-5 crystals while preserving their microporous character. The investigated materials were evaluated in terms of their sorption properties of selected heavy metal cations (Cd2+, Cr3+, and Pb2+). Particular emphasis was placed on the structural examination of the materials via infrared spectroscopy (FT-IR). Other research methods included X-ray diffraction (XRD), X-ray fluorescence (XRF), nuclear magnetic resonance (NMR) and atomic absorption spectrometry (AAS).
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wojciechowska2019materialssorption
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| Authors | Kamila M. Wojciechowska;Magdalena Król;Tomasz Bajda;Włodzimierz Mozgawa;Wojciechowska, Kamila M.;Król, Magdalena;Bajda, Tomasz;Mozgawa, Włodzimierz; |
| Journal | Materials (Basel, Switzerland) |
| Year | 2019 |
| DOI |
10.3390/ma12193271
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