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Synthesis of a Cu-infiltrated Zr-doped SBA-15 catalyst for CO2 hydrogenation into methanol and dimethyl ether

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Abstract

A catalytically active nanoassembly comprising Cu-nanoparticles grown on integrated and active supports (large pore Zr-doped mesoporous SBA-15 silica) has been synthesized and used to promote CO2 hydrogenation. The doped mesoporous material was synthesized using a sol–gel method, in which the pore size was tuned between 11 and 15 nm while maintaining a specific surface area of about 700 m2 g−1. The subsequent Cu nanoparticle growth was achieved by an infiltration process involving attachment of different functional groups on the external and internal surfaces of the mesoporous structure such that 7–10 nm sized Cu nanoparticles grew preferentially inside the pores. Chemisorption showed improved absorption of both CO2 and H2 for the assembly compared to pure SBA-15 and 15% of the total CO2 was converted to methanol and dimethyl ether at 250 °C and 33 bar.

Graphical abstract: Synthesis of a Cu-infiltrated Zr-doped SBA-15 catalyst for CO2 hydrogenation into methanol and dimethyl ether

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Publication details

The article was received on 08 May 2017, accepted on 03 Jul 2017 and first published on 03 Jul 2017


Article type: Paper
DOI: 10.1039/C7CP03037A
Citation: Phys. Chem. Chem. Phys., 2017, Advance Article
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    Synthesis of a Cu-infiltrated Zr-doped SBA-15 catalyst for CO2 hydrogenation into methanol and dimethyl ether

    A. Atakan, P. Mäkie, F. Söderlind, J. Keraudy, E. M. Björk and M. Odén, Phys. Chem. Chem. Phys., 2017, Advance Article , DOI: 10.1039/C7CP03037A

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