Hydrogenolysis of Glycerol to 1,2-Propanediol over Cu/SiO2 Catalysts Prepared by Ion-Exchange Method

• Autorzy: Zheng J. , Zhu W. C. , Ma C. X. , Jia M. J. , Wang Z. L. , Hou Y. H. , Zhang W. X.
• Języki publikacji: EN

Abstrakty

EN

The catalytic properties of supported copper silica prepared by ion-exchange method (denoted as Cu/SiO2-IE) were investigated for the hydrogenolysis of glycerol in a fixed-bed tubular reactor. Compared with the Cu/SiO2 catalyst prepared by wet impregnation and sol-gel methods, Cu/SiO2-IE shows very high activity (99.6 percent conversion of glycerol) and selectivity (86.4 percent to 1,2-propanediol) at 523 K and under hydrogen pressure of 4.0 MPa. The main reason for its good performance in the title reaction may be assigned to the co-existence of two types of active centers, which are the highly dispersed metallic copper and copper ions, on the Cu/SiO2-IE catalysts.

Słowa kluczowe

EN

hydrogenolysis; glycerol; Cu/SiO2; ion-exchange method

• Wydawca: Polskie Towarzystwo Chemiczne
• Czasopismo: Polish Journal of Chemistry
• Rocznik: 2009
• Tom: Vol. 83, nr 7
• Strony: 1379--1387
• Opis fizyczny: Bibliogr. 34 poz., rys.

Twórcy

autor

Zheng J.

autor

Zhu W. C.

autor

Ma C. X.

autor

Jia M. J.

autor

Wang Z. L.

autor

Hou Y. H.

autor

Zhang W. X.

• Key Laboratory of Surface and Interface Chemistry of Jilin Province, College of Chemistry, Jilin University, Changchun, 130023, P.R. China Fax: [phone],

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