SYNTHESIS AND CATALYTIC PROPERTIES OF BARIUM HEXAALUMINATES INCORPORATED WITH CHROMIUM AND LANTHANUM


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Abstract

Barium hexaaluminates incorporated with chromium and lanthanum (Ba1−xLaxCrAl11O19−a) were synthesized from aqueous metal nitrates and sulfates through the precipitation, and then followed by crystallization at 1300oC for 2 h. They had the ability to maintain heat resistance and high conversion of CH4 in methane combustion at elevated temperature.

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