Abstract
Quaternary Ni–Co–W–B amorphous alloys were prepared by chemical reduction of the aqueous solution of nickel and cobalt salts and sodium tungstate with potassium borohydride. The catalytic activities of the as-prepared materials were measured through liquid phase hydrogenation of benzene under moderate pressure. In comparison with Ni–Co–B, the as-prepared Ni–Co–W–B amorphous alloys showed superior activity, attributable to the promoting effect of tungsten on the microstructure of the alloys as revealed by XPS, XRD and DSC measurements.
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Qiao, MH., Xie, SH., Dai, WL. et al. Ultrafine Ni–Co–W–B amorphous alloys and their activities in benzene hydrogenation to cyclohexane. Catalysis Letters 71, 187–192 (2001). https://doi.org/10.1023/A:1009047003259
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DOI: https://doi.org/10.1023/A:1009047003259