| Title: | Study of water adsorption on EDTA dealuminated zeolite Y |
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| Authors: | ID Pliekhov, O. L., KI (Author)
ID Pliekhova, Olena, UNG (Author)
ID Arčon, Iztok, UNG (Author)
ID Bondino, Federica, Elettra (Author)
ID Magnano, Elena, Elettra (Author)
ID Mali, Gregor, KI (Author)
ID Zabukovec Logar, Nataša, UNG (Author) |
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| Files: |
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| Language: | English |
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| Work type: | Not categorized |
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| Typology: | 1.01 - Original Scientific Article |
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| Organization: | UNG - University of Nova Gorica
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| 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. |
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| Keywords: | Zeolite Y
Water sorption
Dealumination
Al XANES
EDTA treatment |
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| Year of publishing: | 2020 |
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| Number of pages: | 7 |
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| Numbering: | 302 |
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| PID: | 20.500.12556/RUNG-5537-6ff52bb9-419d-d754-2534-c6a56b48679f |
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| COBISS.SI-ID: | 6812442 |
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| ISSN on article: | 1387-1811 |
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| DOI: | 10.1016/j.micromeso.2020.110208 |
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| NUK URN: | URN:SI:UNG:REP:HIHQ8HLS |
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| Publication date in RUNG: | 05.06.2020 |
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| Views: | 4315 |
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| Downloads: | 0 |
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