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Catalytic Hydrogenation of CO2 to Methanol: Study of Synergistic Effect on Adsorption Properties of CO2 and H2 in CuO/ZnO/ZrO2 System

Chunjie Huang, Shaoyun Chen, Xiaoyao Fei, Dai Liu, Yongchun Zhang
2015 Catalysts  

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A series of CuO/ZnO/ZrO2 (CZZ) catalysts with different CuO/ZnO weight ratios have been synthesized by citrate method and tested in the catalytic hydrogenation of CO2 to methanol. Experimental results showed that the catalyst with the lowest CuO/ZnO weight ratio of 2/7 exhibited the best catalytic performance with a CO2 conversion of 32.9%, 45.8% methanol selectivity, and a process delivery of 193.9 gMeOH·kgcat −1 ·h −1 . A synergetic effect is found by systematic
more » ... on (TPD) studies. Comparing with single and di-component systems, the interaction via different components in a CZZ system provides additional active sites to adsorb more H2 and CO2 in the low temperature range, resulting in higher weight time yield (WTY) of methanol.
doi:10.3390/catal5041846 fatcat:whggy7bomvgjzpwjsnjskieqja
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Chunjie Huang, Shaoyun Chen, Xiaoyao Fei, Dai Liu, Yongchun Zhang. "Catalytic Hydrogenation of CO2 to Methanol: Study of Synergistic Effect on Adsorption Properties of CO2 and H2 in CuO/ZnO/ZrO2 System." Catalysts 5.4 (2015) 1846-1861