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Naslov:SnO2-Containing Clinoptilolite as a Composite Photocatalyst for Dyes Removal fromWastewater under Solar Light
Avtorji:Šuligoj, Andraž (Avtor)
Pavlovič, Jelena (Avtor)
Arčon, Iztok (Avtor)
Rajić, Nevenka (Avtor)
Novak Tušar, Nataša (Avtor)
Datoteke:.pdf SnO2catalystss_reprint.pdf (3,50 MB)
 
Jezik:Angleški jezik
Vrsta gradiva:Delo ni kategorizirano (r6)
Tipologija:1.01 - Izvirni znanstveni članek
Organizacija:UNG - Univerza v Novi Gorici
Opis:Due to their adsorbent, ion exchange and catalytic properties zeolites are suitable for a variety of applications. We report on the photocatalytic activity of a readily available and inexpensive natural zeolite clinoptilolite (Z) containing SnO2 (Sn-Z). The Sn-Z samples with 3–15 wt. % of Sn were prepared by using a precipitation–deposition method. Powder X-ray diffraction analysis showed that the zeolite structure was unaffected by the introduction of the Sn-phase. Diffuse reflectance UV/VIS spectra of the Sn-Z samples confirmed the presence of SnO2 and X-Ray absorption spectroscopy analyses suggested that the SnO2 particles mainly resided on the surface of the clinoptilolite, while ATR-FTIR analysis gave some clues that part of the SnO2 phase was incorporated in the pores of the zeolite. The presence of SnO2 in Sn-Z increased both adsorption capacity and photocatalytic performance which could be partially explained by higher surface area and partially with an increased negative potential of the surface. Adsorption and total degradation of methylene blue (MB) for the Sn-Z with the highest amount of Sn (15 wt.%) was about 30% and 45%, respectively, suggesting a synergetic effect between SnO2 and the clinoptilolite lattice. Reusability tests showed that these catalysts present a promising material for water purification.
Ključne besede:SnO2, zeolite, SnO2-clinoptilolite composite, photocatalysis, solar light, methylene blue removal, wastewater treatment
Leto izida:2020
Št. strani:18
Številčenje:10
COBISS_ID:5575931 Povezava se odpre v novem oknu
URN:URN:SI:UNG:REP:YRYYANZR
DOI:10.3390/catal10020253 Povezava se odpre v novem oknu
Licenca:CC BY-NC-ND 4.0
To delo je dosegljivo pod licenco Creative Commons Priznanje avtorstva-Nekomercialno-Brez predelav 4.0 Mednarodna
Število ogledov:1103
Število prenosov:60
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Gradivo je del revije

Naslov:Catalysts
Leto izida:2020

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