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Warianty tytułu
Języki publikacji
Abstrakty
Ni-substituted Sr-aluminates Sr1-xNixAl11.2+xNi0.8-xO19-δ (x = 0; 0.2; 0.4; 0.8) obtained by a precipitation method and calcined at 1200°C have been characterized by different physicochemical techniques and their catalytic properties have been tested in steam reformation of methane. It has been shown that substitution of Al3+ and/or Sr2+ by Ni2+ in the aluminate structure results in changes of phase composition, specific surface area, and reducibility of samples. It has been established that the samples are not completely reduced in the temperature range of 30-900°C. The Sr1-xNixAl11.2+xNi0.8-xO19-δ (x = 0; 0.2; 0.4) catalysts are active and stable in the steam reforming of methane at 700oC: residual amount of methane is (1.1±1.0) vol.%, while the Sr1-xNixAl11.2+xNi0.8-xO19-δ (x = 0.8) sample is rapidly deactivated by coking.
Słowa kluczowe
Czasopismo
Rocznik
Tom
Strony
11-21
Opis fizyczny
Daty
otrzymano
2012-04-16
zaakceptowano
2012-05-29
online
2012-08-09
Twórcy
autor
autor
- Boreskov Institute of Catalysis, Pr. Akademika Lavrentieva 5, 630090, Novosibirsk, Russian Federation
autor
- Boreskov Institute of Catalysis, Pr. Akademika Lavrentieva 5, 630090, Novosibirsk, Russian Federation
autor
- Boreskov Institute of Catalysis, Pr. Akademika Lavrentieva 5, 630090, Novosibirsk, Russian Federation
autor
- Boreskov Institute of Catalysis, Pr. Akademika Lavrentieva 5, 630090, Novosibirsk, Russian Federation
autor
- Boreskov Institute of Catalysis, Pr. Akademika Lavrentieva 5, 630090, Novosibirsk, Russian Federation
autor
- Boreskov Institute of Catalysis, Pr. Akademika Lavrentieva 5, 630090, Novosibirsk, Russian Federation
autor
- Boreskov Institute of Catalysis, Pr. Akademika Lavrentieva 5, 630090, Novosibirsk, Russian Federation
autor
- Boreskov Institute of Catalysis, Pr. Akademika Lavrentieva 5, 630090, Novosibirsk, Russian Federation
Bibliografia
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Typ dokumentu
Bibliografia
Identyfikatory
Identyfikator YADDA
bwmeta1.element.-psjd-doi-10_2478_cse-2012-0002