Carbon dioxide reforming of methane on monolithic Ni/Al sub(2O) sub(3)-based catalysts
Nickel-alumina catalysts supported on cordierite monoliths of honeycomb structure surpass essentially the conventional granulated ones with respect to the output in carbon dioxide reforming of methane. Adjusting the surface acid-base properties of catalysts by introduction of alkali metal (Na, K) ox...
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| Published in: | Journal of natural gas chemistry Vol. 20; no. 2; pp. 184 - 190 |
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| Main Authors: | , , , |
| Format: | Journal Article |
| Language: | English |
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01-03-2011
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| Abstract | Nickel-alumina catalysts supported on cordierite monoliths of honeycomb structure surpass essentially the conventional granulated ones with respect to the output in carbon dioxide reforming of methane. Adjusting the surface acid-base properties of catalysts by introduction of alkali metal (Na, K) oxides inhibits the carbonization and as a result, improves the operational stability of these catalysts. An effect of promotion of nickel-alumina based composite doped by lanthanum oxide is found. This effect, caused by an additional route for the CO sub(2 activation on Ni-La) sub(2)O sub(3/Al) sub(2)O sub(3/cordierite catalyst, is displayed in increase of methane conversion under conditions of an oxidant excess.) |
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| AbstractList | Nickel-alumina catalysts supported on cordierite monoliths of honeycomb structure surpass essentially the conventional granulated ones with respect to the output in carbon dioxide reforming of methane. Adjusting the surface acid-base properties of catalysts by introduction of alkali metal (Na, K) oxides inhibits the carbonization and as a result, improves the operational stability of these catalysts. An effect of promotion of nickel-alumina based composite doped by lanthanum oxide is found. This effect, caused by an additional route for the CO sub(2 activation on Ni-La) sub(2)O sub(3/Al) sub(2)O sub(3/cordierite catalyst, is displayed in increase of methane conversion under conditions of an oxidant excess.) |
| Author | Gubareni, E V Kapran, AYu Orlyk, S N Soloviev, SO |
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| SubjectTerms | Activation Carbon dioxide Catalysis Catalysts Cordierite Methane Nickel Reforming |
| Title | Carbon dioxide reforming of methane on monolithic Ni/Al sub(2O) sub(3)-based catalysts |
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