Effect of Copper Nanoparticles Dispersion on Catalytic Performance of Cu/SiO<sub>2</sub> Catalyst for Hydrogenation of Dimethyl Oxalate to Ethylene Glycol

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="7"><hr/></td></tr><tr class="thead"><td align="left" rowspan="2">Catalysts</td><td align="center" colspan="2">KE (eV)<sup>a</sup></td><td align="center" colspan="2"><svg height="17.9125" id="M21" style="vertical-align:-0.1638pt" version="1.1" viewbox="0 0 13.9375 17.9125" width="13.9375" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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</svg> (eV)<sup>b</sup></td><td align="center" rowspan="1">Cu 2p<sub>3/2</sub> BE (eV) </td><td align="center" rowspan="1"><i>X</i>Cu<sup>+</sup>/Cu<sup>0c</sup> (mol/mol) </td></tr><tr class="thead"><td align="center">Cu<sup>+</sup></td><td align="center">Cu<sup>0</sup></td><td align="center">Cu<sup>+</sup></td><td align="center">Cu<sup>0</sup></td></tr><tr><td class="thead-hr" colspan="7"><hr/></td></tr><tr><td align="left">
										Cu/SiO<sub>2</sub>-AE</td><td align="center">916.3</td><td align="center">918.3</td><td align="center">1848.7</td><td align="center">1850.7</td><td align="center">932.4</td><td align="center">1.79</td></tr><tr><td align="left">Cu/SiO<sub>2</sub>-SG</td><td align="center">916.5</td><td align="center">919.1</td><td align="center">1849.2</td><td align="center">1851.8</td><td align="center">932.7</td><td align="center">1.96</td></tr><tr class="table-tr"><td colspan="7"><hr class="tbody-hr"/></td></tr></table></td></tr><tr class="table-fn"><td><svg height="13.825" id="M22" style="vertical-align:-0.16379pt" version="1.1" viewbox="0 0 55.3125 13.825" width="55.3125" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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</svg> energy. <sup>b</sup>Modified Auger parameter. <sup>c</sup>Cu<sup>+</sup>/(Cu<sup>0</sup>) * 100%.<br/></td></tr></table>

Surface Cu component of the reduced catalysts based on Cu LMM deconvolution.

Journal of Nanomaterials

tab3

Table 3

Table 3: Effect of Copper Nanoparticles Dispersion on Catalytic Performance of Cu/SiO<sub>2</sub> Catalyst for Hydrogenation of Dimethyl Oxalate to Ethylene Glycol 

Table 3 | Effect of Copper Nanoparticles Dispersion on Catalytic Performance of Cu/SiO2 Catalyst for Hydrogenation of Dimethyl Oxalate to Ethylene Glycol 