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The influence of loading order of ZrO2 and La2O3 into MCM-41 mesoporous molecular sieve supports on their catalytic activities in the Meerwein-Ponndorf-Verley reduction reaction (MPV) of acetophenone was investigated. The results indicate that comparing with ZrO2/MCM-41, loading ZrO2 first and then La2O3 into MCM-41 mesoporous molecular sieve supports could significantly improve the catalytic activity,...
CuO–ZnO–Al 2 O 3 catalysts were prepared by complete liquid phase technology with different addition sequences. The results indicated that the catalyst prepared by the addition of (C 3 H 7 O) 3 Al to Cu(NO 3 ) 2 and Zn(NO 3 ) 2 solutions shows excellent ethanol selectivity at the initial stages of reaction, reaching approximately...
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