Investigation of the molybdenum state in the Mo(4%)/HZSM-5 catalyst for methane aromatization

被引：6
|
作者：
Fadeeva, E. V. [1 ]
Tkachenko, O. P. [1 ]
Kucherov, A. V. [1 ]
Barkova, A. P. [1 ]
Mikhailov, M. N. [1 ]
Kuli-zade, A. M. [2 ]
Akhmedov, M. M. [2 ]
Kustov, L. M. [1 ,3 ]
机构：
[1] Russian Acad Sci, ND Zelinsky Inst Organ Chem, Moscow 119991, Russia
[2] Natl Acad Sci Azerbaijan, MF Nagiev Inst Chem Problems, AZ-1143 Baku, Azerbaijan
[3] Moscow MV Lomonosov State Univ, Dept Chem, Moscow 119991, Russia
来源：
RUSSIAN CHEMICAL BULLETIN | 2012年 / 61卷 / 12期
关键词：
IR spectroscopy; X-ray photoelectron spectroscopy; ESR spectroscopy; methane; aromatization; molybdenum; zeolite; CARBON-MONOXIDE; ZEOLITES; BENZENE; DEHYDROGENATION; ACTIVATION; MO/HZSM-5; ACETONITRILE; CONVERSION; OXIDATION; MO/ZSM-5;
D O I：
10.1007/s11172-012-0317-x
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The Mo(4%)/HZSM-5 catalyst for methane aromatization prepared by the impregnation of ammonium heptamolybdate followed by calcination at 700A degrees C was studied. The formation of molybdenum ions in the oxidation state 5+ during catalysis and the presence of graphitized carbonaceous sediments on the surface of the catalyst were confirmed by diffuse reflectance infrared Fourier transform spectroscopy (DRIFT), X-ray photoelectron spectroscopy (XPS), and ESR spectroscopy.
引用
收藏
页码：2230 / 2235
页数：6
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