ABSTRACT
Regeneration of used nickel catalyst from a hydrogenation plant has been achieved by converting the nickel content of slurry into NiO and Ni(OH)2, and the subsequent reduction of these compounds by hydrogen gas at temperatures of 450 C and 290 C respectively. A laboratory and plant apparatus for reduction are designed. Activity of regenerated catalyst was measured in comparison with reference catalyst (G15). Pretreatment of discarded catalyst prior to reduction is described.
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Massouml1, A., Kajbaf, M.A. Regeneration of used nickel catalyst. J Am Oil Chem Soc 56, 565–568 (1979). https://doi.org/10.1007/BF02660235
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DOI: https://doi.org/10.1007/BF02660235