Effect of Cu loading to MCM-41 catalyst for propanediols production
NUR AKILA SYAKIDA IDAYu Khairul Anuar, ANITA Ramli, AFEEFAH Fakhruldin
Abstract. The catalytic activity of Cu/MCM for glycerol hydrogenolysis to 1,2-propanediol (1,2-PDO) and 1,3-propanediol (1,3-PDO) was tested in a high-pressure batch reactor at 180-200 °C for 3 h under 10 bars of N2 with different solvent as in-situ hydrogen source. The commercial Al-MCM-41 was impregnated with 2.5, 5, 7.5 and 10 wt.% Cu using the incipient wetness impregnation method, dried at 100 °C for 24 h and calcined at 550 °C for 5 hours. The physicochemical properties of all catalysts were characterized using XRD, N2 adsorption-desorption isotherms, and H2-TPR. The synthesized Cu/MCM showed the presence of diffraction peaks, which could be assigned to a high-order two-dimensional hexagonal arrangement of MCM support at a low angle, while the CuO phase was detected at a wide angle diffraction peak. The surface area and pore volume showed a decreasing pattern as Cu content increased. The total hydrogen consumption of the Cu/MCM catalyst decreases at 2.5 wt.% of Cu content and gradually increases as the Cu content increases to 5, 7.5, and 10 wt.%. All catalysts were tested for glycerol hydrogenolysis without external hydrogen gas addition to determine the effect of different Cu loading on MCM support catalyst for 1,2-PDO and 1,3-PDO production.
Keywords
Glycerol Hydrogenolysis, Propanediols, In-situ Hydrogen, Cu/MCM Catalyst, High-pressure Batch Reactor
Published online 4/25/2025, 10 pages
Copyright © 2025 by the author(s)
Published under license by Materials Research Forum LLC., Millersville PA, USA
Citation: NUR AKILA SYAKIDA IDAYu Khairul Anuar, ANITA Ramli, AFEEFAH Fakhruldin, Effect of Cu loading to MCM-41 catalyst for propanediols production, Materials Research Proceedings, Vol. 53, pp 380-389, 2025
DOI: https://doi.org/10.21741/9781644903575-37
The article was published as article 37 of the book Decarbonization Technology
Content from this work may be used under the terms of the Creative Commons Attribution 3.0 license. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI.
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