- Tytuł:
- Activity of monolithic Pd/Al2O3 catalysts in the combustion of mine ventilation air methane
- Autorzy:
- Kucharczyk, B.
- Powiązania:
- https://bibliotekanauki.pl/articles/779819.pdf
- Data publikacji:
- 2011
- Wydawca:
- Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
- Tematy:
-
katalityczne utlenianie metanu
katalizatory monolityczne
powietrze wentylacyjne kopalni
catalytic oxidation of methane
monolithic catalysts
mine ventilation air - Opis:
- The activity of Pd/Al2O3 catalysts increases when Pd content is increased from 1% to 2%. Among these catalysts, 2%Pd/Al2O3 shows the highest methane combustion activity. In a reduced form, the catalyst displays a higher activity than in the oxidized form. 24-hour ageing at 600oC to 800oC lowers the catalytic activity of 2%Pd/Al2O3 due to Pd crystallite sintering. After 110-hour oxidation of 1% methane in air over 2%Pd/Al2O3, conversion decreases from 100% to 88%. Upon reduction with hydrogen (performed after 24-hour ageing at 700oC and 110-hour methane oxidation), the 2%Pd/Al2O3 catalyst regains its initial activity. The high activity of Pd catalysts renders them suitable for methane removal from coal mine ventilation air at high gas fl ow velocities and temperatures lower than 600oC.
- Źródło:
-
Polish Journal of Chemical Technology; 2011, 13, 4; 57-62
1509-8117
1899-4741 - Pojawia się w:
- Polish Journal of Chemical Technology
- Dostawca treści:
- Biblioteka Nauki
Artykuł