Effect of metal-metal and metal-support interaction on activity and stability of Pd-Rh/alumina in CO oxidation; Catalysis Today; Vol. 293-294

Effect of metal-metal and metal-support interaction on activity and stability of Pd-Rh/alumina in CO oxidation; Catalysis Today; Vol. 293-294

Bibliografiska uppgifter
Parent link:	Catalysis Today.— , 1987- Vol. 293-294.— 2017.— [P. 73-81]
Institutionell upphovsman:	Национальный исследовательский Томский политехнический университет (ТПУ) Институт природных ресурсов (ИПР) Кафедра физической и аналитической химии (ФАХ)
Övriga upphovsmän:	Vedyagin A. A. Aleksey Anatolievich, Volodin A. M. Aleksandr, Kenzhin R. M. Roman, Stoyanovskii V. O. Vladimir, Shubin Yu. V. Yury Viktorovich, Plyusnin P. E. Pavel Evgenjevich, Mishakov I. V. Iljya Vladimirovich
Sammanfattning:	Title screen A series of Pd-Rh/alumina catalysts with total precious metals loading of 0.2 wt.% was prepared by means of mechanical mixing of monometallic precursors and incipient wetness impregnation of the support with dual complex salt. Gamma and delta alumina supports were obtained from commercial aluminum hydroxide by calcinations at 720 and 1000 °C respectively. Supports were examined by electron paramagnetic resonance spectroscopy, low-temperature nitrogen adsorption, X-ray diffraction analysis and photoluminescence spectroscopy. It was shown that concentration of donor sites of the supports differs according to distinctions between values of their specific surface areas. Finally, the strength of metal-support interaction is getting much weaker in the case of d-Al2O3. Bimetallic Pd-Rh species with strong metal-metal interaction supported on ?-Al2O3 were found to be characterized by superior high-temperature stability. Pd/Rh ratios of 3:2 and 7:3 were shown to be the most appropriate for this purpose. Режим доступа: по договору с организацией-держателем ресурса
Språk:	engelska
Publicerad:	2017
Ämnen:	электронный ресурс труды учёных ТПУ окисление биметаллические катализаторы глиноземы фазовое превращение
Länkar:	https://doi.org/10.1016/j.cattod.2016.10.010
Materialtyp:	Elektronisk Bokavsnitt
KOHA link:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=655634

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