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Efficiency of TiO2 catalyst supported by modified waste fly ash during photodegradation of RR45 dye
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| Zeitschriftentitel: | Science and Engineering of Composite Materials |
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| Personen und Körperschaften: | , , , , |
| In: | Science and Engineering of Composite Materials, 26, 2019, 1, S. 292-300 |
| Format: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
Walter de Gruyter GmbH
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| Schlagwörter: |
| author_facet |
Gilja, Vanja Katančić, Zvonimir Krehula, Ljerka Kratofil Mandić, Vilko Hrnjak-Murgić, Zlata Gilja, Vanja Katančić, Zvonimir Krehula, Ljerka Kratofil Mandić, Vilko Hrnjak-Murgić, Zlata |
|---|---|
| author |
Gilja, Vanja Katančić, Zvonimir Krehula, Ljerka Kratofil Mandić, Vilko Hrnjak-Murgić, Zlata |
| spellingShingle |
Gilja, Vanja Katančić, Zvonimir Krehula, Ljerka Kratofil Mandić, Vilko Hrnjak-Murgić, Zlata Science and Engineering of Composite Materials Efficiency of TiO2 catalyst supported by modified waste fly ash during photodegradation of RR45 dye Materials Chemistry Ceramics and Composites |
| author_sort |
gilja, vanja |
| spelling |
Gilja, Vanja Katančić, Zvonimir Krehula, Ljerka Kratofil Mandić, Vilko Hrnjak-Murgić, Zlata 2191-0359 0792-1233 Walter de Gruyter GmbH Materials Chemistry Ceramics and Composites http://dx.doi.org/10.1515/secm-2019-0017 <jats:title>Abstract</jats:title> <jats:p>The waste fly ash (FA) material was subjected to chemical treatment with HCl at elevated temperature for a different time to modify its porosity. Modified FA particles with highest surface area and pore volume were further used as a support for TiO<jats:sub>2</jats:sub> catalyst during FA/TiO<jats:sub>2</jats:sub> nanocomposite preparation. The nanocomposite photocatalysts were obtained by <jats:italic>in situ</jats:italic> sol–gel synthesis of titanium dioxide in the presence of FA particles. To perform accurate characterization of modified FA and FA/TiO<jats:sub>2</jats:sub> nanocomposite photocatalysts, gas adsorption-desorption analysis, X-ray diffraction, scanning electron microscopy, UV/Vis and Infrared spectroscopy were used. Efficiency evaluation of the synthesized FA/TiO<jats:sub>2</jats:sub> nanocomposites was performed by following the removal of Reactive Red 45 (RR45) azo dye during photocatalytic treatment under the UV-A irradiation. Photocatalysis has been carried out up to five cycles with the same catalysts to investigate their stability and the possible reuse. The FA/TiO<jats:sub>2</jats:sub> photocatalyst showed very good photocatalytic activity and stability even after the fifth cycles. The obtained results show that successfully modified waste fly ash can be used as very good TiO<jats:sub>2</jats:sub> support.</jats:p> Efficiency of TiO<sub>2</sub> catalyst supported by modified waste fly ash during photodegradation of RR45 dye Science and Engineering of Composite Materials |
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| title |
Efficiency of TiO2 catalyst supported by modified waste fly ash during photodegradation of RR45 dye |
| title_unstemmed |
Efficiency of TiO2 catalyst supported by modified waste fly ash during photodegradation of RR45 dye |
| title_full |
Efficiency of TiO2 catalyst supported by modified waste fly ash during photodegradation of RR45 dye |
| title_fullStr |
Efficiency of TiO2 catalyst supported by modified waste fly ash during photodegradation of RR45 dye |
| title_full_unstemmed |
Efficiency of TiO2 catalyst supported by modified waste fly ash during photodegradation of RR45 dye |
| title_short |
Efficiency of TiO2 catalyst supported by modified waste fly ash during photodegradation of RR45 dye |
| title_sort |
efficiency of tio<sub>2</sub> catalyst supported by modified waste fly ash during photodegradation of rr45 dye |
| topic |
Materials Chemistry Ceramics and Composites |
| url |
http://dx.doi.org/10.1515/secm-2019-0017 |
| publishDate |
2019 |
| physical |
292-300 |
| description |
<jats:title>Abstract</jats:title>
<jats:p>The waste fly ash (FA) material was subjected to chemical treatment with HCl at elevated temperature for a different time to modify its porosity. Modified FA particles with highest surface area and pore volume were further used as a support for TiO<jats:sub>2</jats:sub> catalyst during FA/TiO<jats:sub>2</jats:sub> nanocomposite preparation. The nanocomposite photocatalysts were obtained by <jats:italic>in situ</jats:italic> sol–gel synthesis of titanium dioxide in the presence of FA particles. To perform accurate characterization of modified FA and FA/TiO<jats:sub>2</jats:sub> nanocomposite photocatalysts, gas adsorption-desorption analysis, X-ray diffraction, scanning electron microscopy, UV/Vis and Infrared spectroscopy were used. Efficiency evaluation of the synthesized FA/TiO<jats:sub>2</jats:sub> nanocomposites was performed by following the removal of Reactive Red 45 (RR45) azo dye during photocatalytic treatment under the UV-A irradiation. Photocatalysis has been carried out up to five cycles with the same catalysts to investigate their stability and the possible reuse. The FA/TiO<jats:sub>2</jats:sub> photocatalyst showed very good photocatalytic activity and stability even after the fifth cycles. The obtained results show that successfully modified waste fly ash can be used as very good TiO<jats:sub>2</jats:sub> support.</jats:p> |
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| author | Gilja, Vanja, Katančić, Zvonimir, Krehula, Ljerka Kratofil, Mandić, Vilko, Hrnjak-Murgić, Zlata |
| author_facet | Gilja, Vanja, Katančić, Zvonimir, Krehula, Ljerka Kratofil, Mandić, Vilko, Hrnjak-Murgić, Zlata, Gilja, Vanja, Katančić, Zvonimir, Krehula, Ljerka Kratofil, Mandić, Vilko, Hrnjak-Murgić, Zlata |
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| description | <jats:title>Abstract</jats:title> <jats:p>The waste fly ash (FA) material was subjected to chemical treatment with HCl at elevated temperature for a different time to modify its porosity. Modified FA particles with highest surface area and pore volume were further used as a support for TiO<jats:sub>2</jats:sub> catalyst during FA/TiO<jats:sub>2</jats:sub> nanocomposite preparation. The nanocomposite photocatalysts were obtained by <jats:italic>in situ</jats:italic> sol–gel synthesis of titanium dioxide in the presence of FA particles. To perform accurate characterization of modified FA and FA/TiO<jats:sub>2</jats:sub> nanocomposite photocatalysts, gas adsorption-desorption analysis, X-ray diffraction, scanning electron microscopy, UV/Vis and Infrared spectroscopy were used. Efficiency evaluation of the synthesized FA/TiO<jats:sub>2</jats:sub> nanocomposites was performed by following the removal of Reactive Red 45 (RR45) azo dye during photocatalytic treatment under the UV-A irradiation. Photocatalysis has been carried out up to five cycles with the same catalysts to investigate their stability and the possible reuse. The FA/TiO<jats:sub>2</jats:sub> photocatalyst showed very good photocatalytic activity and stability even after the fifth cycles. The obtained results show that successfully modified waste fly ash can be used as very good TiO<jats:sub>2</jats:sub> support.</jats:p> |
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| imprint_str_mv | Walter de Gruyter GmbH, 2019 |
| institution | DE-Gla1, DE-Zi4, DE-15, DE-Pl11, DE-Rs1, DE-105, DE-14, DE-Ch1, DE-L229, DE-D275, DE-Bn3, DE-Brt1, DE-Zwi2, DE-D161 |
| issn | 2191-0359, 0792-1233 |
| issn_str_mv | 2191-0359, 0792-1233 |
| language | English |
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| physical | 292-300 |
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| spelling | Gilja, Vanja Katančić, Zvonimir Krehula, Ljerka Kratofil Mandić, Vilko Hrnjak-Murgić, Zlata 2191-0359 0792-1233 Walter de Gruyter GmbH Materials Chemistry Ceramics and Composites http://dx.doi.org/10.1515/secm-2019-0017 <jats:title>Abstract</jats:title> <jats:p>The waste fly ash (FA) material was subjected to chemical treatment with HCl at elevated temperature for a different time to modify its porosity. Modified FA particles with highest surface area and pore volume were further used as a support for TiO<jats:sub>2</jats:sub> catalyst during FA/TiO<jats:sub>2</jats:sub> nanocomposite preparation. The nanocomposite photocatalysts were obtained by <jats:italic>in situ</jats:italic> sol–gel synthesis of titanium dioxide in the presence of FA particles. To perform accurate characterization of modified FA and FA/TiO<jats:sub>2</jats:sub> nanocomposite photocatalysts, gas adsorption-desorption analysis, X-ray diffraction, scanning electron microscopy, UV/Vis and Infrared spectroscopy were used. Efficiency evaluation of the synthesized FA/TiO<jats:sub>2</jats:sub> nanocomposites was performed by following the removal of Reactive Red 45 (RR45) azo dye during photocatalytic treatment under the UV-A irradiation. Photocatalysis has been carried out up to five cycles with the same catalysts to investigate their stability and the possible reuse. The FA/TiO<jats:sub>2</jats:sub> photocatalyst showed very good photocatalytic activity and stability even after the fifth cycles. The obtained results show that successfully modified waste fly ash can be used as very good TiO<jats:sub>2</jats:sub> support.</jats:p> Efficiency of TiO<sub>2</sub> catalyst supported by modified waste fly ash during photodegradation of RR45 dye Science and Engineering of Composite Materials |
| spellingShingle | Gilja, Vanja, Katančić, Zvonimir, Krehula, Ljerka Kratofil, Mandić, Vilko, Hrnjak-Murgić, Zlata, Science and Engineering of Composite Materials, Efficiency of TiO2 catalyst supported by modified waste fly ash during photodegradation of RR45 dye, Materials Chemistry, Ceramics and Composites |
| title | Efficiency of TiO2 catalyst supported by modified waste fly ash during photodegradation of RR45 dye |
| title_full | Efficiency of TiO2 catalyst supported by modified waste fly ash during photodegradation of RR45 dye |
| title_fullStr | Efficiency of TiO2 catalyst supported by modified waste fly ash during photodegradation of RR45 dye |
| title_full_unstemmed | Efficiency of TiO2 catalyst supported by modified waste fly ash during photodegradation of RR45 dye |
| title_short | Efficiency of TiO2 catalyst supported by modified waste fly ash during photodegradation of RR45 dye |
| title_sort | efficiency of tio<sub>2</sub> catalyst supported by modified waste fly ash during photodegradation of rr45 dye |
| title_unstemmed | Efficiency of TiO2 catalyst supported by modified waste fly ash during photodegradation of RR45 dye |
| topic | Materials Chemistry, Ceramics and Composites |
| url | http://dx.doi.org/10.1515/secm-2019-0017 |