Modified Ag/TiO2 systems: Promising catalysts for liquid-phase oxidation of alcohols; Fuel; Vol. 234
| Parent link: | Fuel Vol. 234.— 2018.— [P. 110-119] |
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| Müşterek Yazar: | |
| Diğer Yazarlar: | , , , , , , , , , , , |
| Özet: | Title screen The current work is the first study concerning the liquid-phase oxidation of n-octanol and betulin over modified and unmodified Ag/TiO2 catalysts. Catalytic activity of nanosilver catalysts supported on titania for alcohols selective oxidation can be enhanced by modification of the support with Ce, Fe or Mg oxides. In most cases reductive or oxidative pretreatments of these catalysts were detrimental for their activity. The main reason for performance of Ag/MxOy/TiO2 catalysts is changes of the electronic state of the supported Ag, and especially changes in the surface concentration of Ag+ ions. Monovalent Ag+ ions are active sites in silver-containing catalysts for n-octanol, as well as for betulin oxidation. The obtained results show a potential of silver-containing catalysts for liquid phase oxidation of alcohols, and by selecting the optimum modifier and the support as well as, pretreatment conditions the catalytic properties and stabilization of the active sites can be optimized. Режим доступа: по договору с организацией-держателем ресурса |
| Dil: | İngilizce |
| Baskı/Yayın Bilgisi: |
2018
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| Konular: | |
| Online Erişim: | https://doi.org/10.1016/j.fuel.2018.06.128 |
| Materyal Türü: | Elektronik Kitap Bölümü |
| KOHA link: | https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=658670 |
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| 200 | 1 | |a Modified Ag/TiO2 systems: Promising catalysts for liquid-phase oxidation of alcohols |f E. N. Kolobova [et al.] | |
| 203 | |a Text |c electronic | ||
| 300 | |a Title screen | ||
| 320 | |a [References: p. 118-119 (77 tit.)] | ||
| 330 | |a The current work is the first study concerning the liquid-phase oxidation of n-octanol and betulin over modified and unmodified Ag/TiO2 catalysts. Catalytic activity of nanosilver catalysts supported on titania for alcohols selective oxidation can be enhanced by modification of the support with Ce, Fe or Mg oxides. In most cases reductive or oxidative pretreatments of these catalysts were detrimental for their activity. The main reason for performance of Ag/MxOy/TiO2 catalysts is changes of the electronic state of the supported Ag, and especially changes in the surface concentration of Ag+ ions. Monovalent Ag+ ions are active sites in silver-containing catalysts for n-octanol, as well as for betulin oxidation. The obtained results show a potential of silver-containing catalysts for liquid phase oxidation of alcohols, and by selecting the optimum modifier and the support as well as, pretreatment conditions the catalytic properties and stabilization of the active sites can be optimized. | ||
| 333 | |a Режим доступа: по договору с организацией-держателем ресурса | ||
| 461 | 1 | |t Fuel | |
| 463 | 1 | |t Vol. 234 |v [P. 110-119] |d 2018 | |
| 610 | 1 | |a труды учёных ТПУ | |
| 610 | 1 | |a электронный ресурс | |
| 610 | 1 | |a n-Octanol oxidation | |
| 610 | 1 | |a betulin oxidation | |
| 610 | 1 | |a alcohols selective oxidation | |
| 610 | 1 | |a silver catalysts | |
| 610 | 1 | |a silver active sites | |
| 610 | 1 | |a support modifiers | |
| 610 | 1 | |a effect of redox pretreatment | |
| 610 | 1 | |a окисление | |
| 610 | 1 | |a бетулин | |
| 610 | 1 | |a селективное окисление | |
| 610 | 1 | |a спирты | |
| 610 | 1 | |a серебряные катализаторы | |
| 610 | 1 | |a модификаторы | |
| 610 | 1 | |a поддержка | |
| 610 | 1 | |a окислительно-восстановительные методы | |
| 701 | 1 | |a Kolobova |b E. N. |c Chemical Engineer |c design engineer of Tomsk Polytechnic University |f 1989- |g Ekaterina Nikolaevna |3 (RuTPU)RU\TPU\pers\34488 |9 17871 | |
| 701 | 1 | |a Kotolevich |b Yu. |g Yulia | |
| 701 | 1 | |a Pakrieva |b E. G. |c Chemical Engineer |c Engineer of Tomsk Polytechnic University |f 1989- |g Ekaterina Germanovna |3 (RuTPU)RU\TPU\pers\33273 |9 17018 | |
| 701 | 1 | |a Mamontov |b G. |g Grigory | |
| 701 | 1 | |a Farнas |b M. H. |g Mario | |
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| 701 | 1 | |a Smeds |b A. I. |g Annika | |
| 701 | 1 | |a Maki-Arvela |b P. |g Paivi | |
| 701 | 1 | |a Murzin |b D. Yu. |g Dmitry | |
| 701 | 1 | |a Pestryakov |b A. N. |c Chemist |c Professor of Tomsk Polytechnic University, Doctor of Chemical Science |f 1963- |g Aleksey Nikolaevich |3 (RuTPU)RU\TPU\pers\30471 |9 14796 | |
| 712 | 0 | 2 | |a Национальный исследовательский Томский политехнический университет |b Исследовательская школа химических и биомедицинских технологий (ИШХБМТ) |c (2017- ) |3 (RuTPU)RU\TPU\col\23537 |
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