Abstract
Mechanochemical activation in high-energy planetary activators was used for the preparation of highly dispersed nickel-molybdenum compounds. Nickel hydroxocarbonate [NiCO3 · 2Ni(OH)2 · nH2O] and ammonium paramolybdate [(NH4)6Mo7O24 · 4H2O] were chosen as starting compounds. The effect of the Ni: Mo atomic ratio on the composition and structure of products formed in the process of mechanochemical activation followed by calcination was studied. It was found that, at the Ni: Mo atomic ratios of 1.0 and 1.4, the mechanically activated product after calcination at 520°C contained 70–100% β-NiMoO4, which is a stable phase at temperatures lower than 180°C.
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Original Russian Text © O.A. Knyazheva, O.N. Baklanova, A.V. Lavrenov, V.A. Drozdov, N.N. Leont’eva, M.V. Trenikhin, A.B. Arbuzov, V.A. Likholobov, 2011, published in Kinetika i Kataliz, 2011, Vol. 52, No. 6, pp. 910–919.
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Knyazheva, O.A., Baklanova, O.N., Lavrenov, A.V. et al. Mechanochemical synthesis of nanocrystalline nickel-molybdenum compounds, their morphology and application in catalysis: I. Effect of the Ni: Mo atomic ratio on the structure and properties of nickel-molybdenum compounds prepared under mechanochemical synthesis conditions. Kinet Catal 52, 886–895 (2011). https://doi.org/10.1134/S0023158411060097
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DOI: https://doi.org/10.1134/S0023158411060097