Jump to main content
Jump to site search

Issue 11, 2012
Previous Article Next Article

Aqueous phase reforming of glycerol to 1,2-propanediol over Pt-nanoparticles supported on hydrotalcite in the absence of hydrogen

Author affiliations

Abstract

Pt-nanoparticles, in the range of 2–5 nm, supported on hydrotalcite (HT), were used as a catalyst for the selective hydrogenolysis of glycerol to produce 1,2-propanediol by aqueous phase reforming in the absence of any added hydrogen. The catalyst was characterized by XRD, N2-sorption, pulse chemisorption, TPR, XPS, SEM, TEM, EXAFS. The influence of reaction parameters like reaction time, pressure, etc., were studied in detail. The study reveals that the Pt-nanoparticles are the active sites for the selective conversion of glycerol to 1,2-propanediol. The role of the support also plays an important role in the hydrogenolysis. The hydrogen required for the hydrogenolysis is derived from the reforming of H2O over the Pt-HT catalyst. The mechanism of the hydrogenolysis reaction is also proposed. A glycerol conversion of 98% with a 1,2-propanediol selectivity of 74% was achieved over 3 wt% Pt supported on HT. The reusability of the catalyst was tested by conducting four runs with the same catalyst and it was found that after four reuses, the conversion and selectivity was almost same.

Graphical abstract: Aqueous phase reforming of glycerol to 1,2-propanediol over Pt-nanoparticles supported on hydrotalcite in the absence of hydrogen

Back to tab navigation

Supplementary files

Publication details

The article was received on 03 Jul 2012, accepted on 23 Aug 2012 and first published on 24 Aug 2012


Article type: Paper
DOI: 10.1039/C2GC36019E
Green Chem., 2012,14, 3107-3113

  •   Request permissions

    Aqueous phase reforming of glycerol to 1,2-propanediol over Pt-nanoparticles supported on hydrotalcite in the absence of hydrogen

    C. Pendem, P. Gupta, N. Chaudhary, S. Singh, J. Kumar, T. Sasaki, A. Datta and R. Bal, Green Chem., 2012, 14, 3107
    DOI: 10.1039/C2GC36019E

Search articles by author

Spotlight

Advertisements