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FeAl12-Keggin Type Cation as an Active Site Source for Fe,Al-Silica Mesoporous Catalysts Научная публикация

Журнал Applied Catalysis B: Environmental
ISSN: 0926-3373 , E-ISSN: 1873-3883
Вых. Данные Год: 2010, Том: 95, Номер: 1-2, Страницы: 110-119 Страниц : 10 DOI: 10.1016/j.apcatb.2009.12.016
Ключевые слова Fe,Al-containing mesoporous mesophase materials, Fe,Al-pillared clay, Hydrogen peroxide, Oxidation, Phenol
Авторы Timofeeva M.N. 1 , Malyshev M.E. 1 , Panchenko V.N. 1 , Shmakov A.N. 1 , Potapov A.G. 1 , Melʹgunov M.S. 1
Организации
1 Boreskov Institute of Catalysis SB RAS

Информация о финансировании (1)

1 Российский фонд фундаментальных исследований 08-08-00729

Реферат: Iron-containing mesoporous mesophase materials Fe,Al-MMM-2 have been synthesized according to a sol-mesophase route under mild acidic conditions (pH 2.3–4.4) using Keggin type cation [FeAl12O4(OH)24(H2O)12]7+ (FeAl127+) as Al and Fe sources. Effect of pH of the synthetic solution on structural and physicochemical properties of Fe,Al-MMM-2 has been evaluated by means of small- and wide-angle XRD, FTIR, DR-UV–vis, and N2-adsorption/desorption analysis. It has been established that deviation of stability of FeAl127+ cation at various pH determines Al/Fe ratio in the resulting material as 12/1 (material synthesized at pH 4.4), and 6/1 (pH 2.4 and 3.3). Correlation between incorporation of Al and Fe in different forms and resulting materials texture is discussed. Fe,Al-MMM-2 materials have been tested as catalysts for wet phenol oxidation with H2O2. Insertion of Al species into the framework of the silicate matrix increases the activity comparing to a reference Fe,Al-pillared clay due to both higher surface acidity and lower diffusion limitations that correspond to Fe,Al-MMM-2.
Библиографическая ссылка: Timofeeva M.N. , Malyshev M.E. , Panchenko V.N. , Shmakov A.N. , Potapov A.G. , Melʹgunov M.S.
FeAl12-Keggin Type Cation as an Active Site Source for Fe,Al-Silica Mesoporous Catalysts
Applied Catalysis B: Environmental. 2010. V.95. N1-2. P.110-119. DOI: 10.1016/j.apcatb.2009.12.016 WOS Scopus РИНЦ CAPlusCA OpenAlex
Даты:
Поступила в редакцию: 28 сент. 2009 г.
Принята к публикации: 17 дек. 2009 г.
Опубликована online: 23 дек. 2009 г.
Опубликована в печати: 12 мар. 2010 г.
Идентификаторы БД:
Web of science: WOS:000276005300012
Scopus: 2-s2.0-76749124738
РИНЦ: 15317087
Chemical Abstracts: 2010:230269
Chemical Abstracts (print): 153:294322
OpenAlex: W2141240729
Цитирование в БД:
БД Цитирований
Web of science 32
Scopus 31
РИНЦ 33
OpenAlex 32
Альметрики: