Исследование Cr-Zr оксидных катализаторов для дегидрирования пропана /А. В. Зубков, Т. А. Бугрова, Г. В. Мамонтов

Зубков, Александр Вадимович
Электронный ресурс
Другой Автор
Бугрова, Татьяна Александровна
Мамонтов, Григорий Владимирович
Источник
Паралельное заглавие
Investigation of Cr-Zr oxide catalysts for propane dehydrogenation
Аннотация
Two series of chromium-zirconium mixed oxide catalysts with different Cr/Zr molar ratio were prepared by coprecipitation method. Porous structure of catalysts was studied by low-temperature N2 adsorption, phase composition and chromium state of catalysts were characterized by X-ray diffraction (XRD), electron spectroscopy of diffuse reflectance (ESDR or UV-visible spectroscopy) and temperature-programmed reduction with hydrogen (TPR-H2). The mixed catalysts were tested in the non-oxidative dehydrogenation of propane at 550 ºC. The catalysts obtained without ageing were shown higher activity in propane dehydrogenation due to higher content of reducible Cr+5/+6 species
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$a Зубков, Александр Вадимович
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$a Investigation of Cr-Zr oxide catalysts for propane dehydrogenation
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$a Two series of chromium-zirconium mixed oxide catalysts with different Cr/Zr molar ratio were prepared by coprecipitation method. Porous structure of catalysts was studied by low-temperature N2 adsorption, phase composition and chromium state of catalysts were characterized by X-ray diffraction (XRD), electron spectroscopy of diffuse reflectance (ESDR or UV-visible spectroscopy) and temperature-programmed reduction with hydrogen (TPR-H2). The mixed catalysts were tested in the non-oxidative dehydrogenation of propane at 550 ºC. The catalysts obtained without ageing were shown higher activity in propane dehydrogenation due to higher content of reducible Cr+5/+6 species
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$a дегидрирование пропана
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$a оксидные катализаторы
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$a хром
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$a статьи в сборниках
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$a Бугрова, Татьяна Александровна
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$a Мамонтов, Григорий Владимирович
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$t Полифункциональные химические материалы и технологии. [Т. 1] : материалы Международной научной конференции, 22-25 мая 2019 г. $d Томск, 2019 $g Т. 1. С. 62-64 $z 9785604214398 $w to000659733
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Предмет
статьи в сборниках
Резюме
Two series of chromium-zirconium mixed oxide catalysts with different Cr/Zr molar ratio were prepared by coprecipitation method. Porous structure of catalysts was studied by low-temperature N2 adsorption, phase composition and chromium state of catalysts were characterized by X-ray diffraction (XRD), electron spectroscopy of diffuse reflectance (ESDR or UV-visible spectroscopy) and temperature-programmed reduction with hydrogen (TPR-H2). The mixed catalysts were tested in the non-oxidative dehydrogenation of propane at 550 ºC. The catalysts obtained without ageing were shown higher activity in propane dehydrogenation due to higher content of reducible Cr+5/+6 species