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Title:Study of water adsorption on EDTA dealuminated zeolite Y
Authors:Pliekhov, O. L. (Author)
Pliekhova, Olena (Author)
Arčon, Iztok (Author)
Bondino, Federica (Author)
Magnano, Elena (Author)
Mali, Gregor (Author)
Zabukovec Logar, Nataša (Author)
Files:This document has no files. This document may have a phisical copy in the library of the organization, check the status via COBISS. Link is opened in a new window
Work type:Not categorized (r6)
Tipology:1.01 - Original Scientific Article
Organization:UNG - University of Nova Gorica
Abstract:Zeolite Y was synthesized and modified with EDTA dealumination procedure. The modified zeolites were analyzed by X-ray diffraction, X-ray absorption spectroscopy, chemical analysis and water adsorption measurements. We demonstrated that dealumination with bulk organic acid such as EDTA is able to reduce the original intense water affinity. Furthermore, it was found that dealumination with EDTA, in contrast with steaming and HCl dealumination, provides fully controllable, predictable and secure process of Al removal from the zeolites’ frameworks. The shift of the adsorption isotherm in the low partial pressure range represents an interesting result for adsorption-based applications.
Keywords:Zeolite Y Water sorption Dealumination Al XANES EDTA treatment
Year of publishing:2020
Number of pages:7
COBISS_ID:6812442 Link is opened in a new window
ISSN on article:1387-1811
DOI:10.1016/j.micromeso.2020.110208 Link is opened in a new window
License:CC BY-NC-ND 4.0
This work is available under this license: Creative Commons Attribution Non-Commercial No Derivatives 4.0 International
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Record is a part of a journal

Title:Microporous and mesoporous materials
COBISS.SI-ID:1595162 New window
Year of publishing:2020

Secondary language

Keywords:analizna kemija, zeoliti tipa Y, meritve, absorpcija vode