Abstract
A series of dealumination ultrastable Y-type zeolite (DUSY) supported Cu catalysts with different Cu loadings were prepared, characterized and tested in the hydrogenolysis of glycerol. The results showed that DUSY retained the Y zeolite structure and generated abundant of secondary mesoporous, which not only facilitated the 1,2-propanediol (1,2-PDO) to diffuse out the catalyst, but also improved the dispersion of Cu. Cu/DUSY catalyst exhibited single weak acid sites and unique reduced structure of Y type zeolite and resulted in a more concentrated product distribution, primarily 1,2-PDO with few glycols.
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Acknowledgments
The authors are grateful to the Natural Science Foundation of China (No. 20906013 and No. 21276050) and Key Laboratory Open Fund of Jiangsu Province (No. JSBEM201202) for financial support.
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Niu, L., Wei, R., Jiang, F. et al. Selective hydrogenolysis of glycerol to 1,2-propanediol on the modified ultrastable Y-type zeolite dispersed copper catalyst. Reac Kinet Mech Cat 113, 543–556 (2014). https://doi.org/10.1007/s11144-014-0745-8
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DOI: https://doi.org/10.1007/s11144-014-0745-8