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Ni–Cu catalysts with different SiO2 compositions were prepared via supercritical antisolvent (SAS) precipitation. The calcination and reduction of the SAS Ni–Cu catalysts were investigated by X-ray diffraction, SEM and TEM to determine the influence of various SiO2 contents on the Ni–Cu catalyst morphology. SiO2 addition (≥30wt.%) prevents the sintering of metal particles and increases dispersion,...
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