Coke Resistant Catalysts for Methane Steam Reforming in the Presence of Higher Hydrocarbons

 
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Book (EN)

2015 (EN)
Coke Resistant Catalysts for Methane Steam Reforming in the Presence of Higher Hydrocarbons

Angeli, Sofia
Lemonidou, Angeliki
Pilitsis, Fotis G.

The catalytic performance on steam reforming and carbonaceous deposits was examined over Ni/La/CeO2-ZrO2 and Rh/La/CeO2-ZrO2 catalysts, prepared via wet impregnation. The catalytic performance tests were conducted using mixtures of C2–C4 alkanes and CH4 as steam reforming feedstock for 4 h at the temperature range of 400–550 °C and for 10 h at 500 °C, with S/C = 3 and GHSV = 70,000 h−1. Analysis on the used catalysts was carried out via temperature-programmed oxidation (TPO). Both catalysts showed high activity towards the alkane feedstock achieving product distribution close to that predicted by thermodynamics with no significant deactivation during the experiments. TPO of the used catalysts after 10 h on stream showed increased carbon depositions compared to the pure methane reforming but still at very low levels, even though the concentration of the second alkane used was much higher than the real concentration in natural gas.

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Book / Βιβλίο

Methane steam reforming Natural gas Coke Ni catalyst Rh catalyst Alkane

Αριστοτέλειο Πανεπιστήμιο Θεσσαλονίκης (EL)
Aristotle University of Thessaloniki (EN)

English

2015
2016-11-22T06:41:40Z


Αριστοτέλειο Πανεπιστήμιο Θεσσαλονίκης, Πολυτεχνική Σχολή, Τμήμα Χημικών Μηχανικών

Progress in Clean Energy, v.2 [2015] pp.469-480

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