Pd/Fiber Glass and Pd/5% γ-Al2O3/Fiber Glass Catalysts by Surface Self-Propagating Thermal Synthesis
Full article
| Общее |
Language:
Английский,
Genre:
Full article,
Status:
Published,
Source type:
Original
|
| Journal |
International Journal of Self-Propagating High-Temperature Synthesis
ISSN: 1061-3862
, E-ISSN: 1934-788X
|
| Output data |
Year: 2012,
Volume: 21,
Number: 2,
Pages: 139-145
Pages count
: 6
DOI:
10.3103/S1061386212020082
|
| Tags |
Hydrogenation of acetylene, Supported Pd catalysts, Surface self-propagating thermal synthesis (SSTS), Time-resolved XRD |
| Authors |
Mironenko O.O.
1
,
Shitova N.B.
1
,
Kotolevich Y.S.
1
,
Sharafutdinov M.R.
3
,
Struikhina N.O.
1
,
Smirnova N.S.
1
,
Kochubey D.I.
2
,
Protasova O.V.
1
,
Trenikhin M.V.
1
,
Stonkus O.A.
2
,
Zaikovskii V.I.
2
,
Goncharov V.B.
2
,
Tsyrulnikov P.G.
1
|
| Affiliations |
| 1 |
Institute of Hydrocarbons Processing, Siberian Branch, Russian Academy of Sciences, ul. Neftezavodskay 54, Omsk, 644040 Russia
|
| 2 |
Boreskov Institute of Catalysis, Siberian Branch, Russian Academy of Sciences, ul. Lavrent’eva 5, Novosibirsk, 630090 Russia
|
| 3 |
Institute of Solid State Chemistry and Mechanochemistry, Siberian Branch, Russian Academy of Sciences, ul. Kutateladze 18, Novosibirsk, 630128 Russia
|
|
Funding (4)
|
1
|
Russian Foundation for Basic Research
|
10-03-00451
|
|
2
|
Russian Foundation for Basic Research
|
08-03-00335
|
|
3
|
Russian Foundation for Basic Research
|
10-03-90727
|
|
4
|
The Ministry of Education and Science of the Russian Federation
|
16.552.11.7044
|
The technique of Surface Self-propagating Thermal Synthesis (SSTS) was used to prepare Pd/γ-Al2O3/fiber glass (FG) catalysts for selective liquid-phase hydrogenation of acetylene in the presence of CO. The results of XRD SR analysis (in synchrotron radiation) in combination with the technique of arrested combustion shed new light on the dynamic of phase transformations in the systems under study and variation in the size of diffraction-active crystallites. The catalytic performance of synthesized catalysts was found to be close to that of similar conventionally prepared catalysts. The EXAFS and TEM data afforded to estimate the variation in relative amounts of Pd0 and PdO in synthesized catalysts. In the course of selective hydrogenation, PdO rapidly (<15 min) reduced to Pd0.