Effect of Nickel Salts on the Dispersion of Nickel and Reducibility of Supported Ni-Mg Catalyst Precursors Prepared by Precipitation-Deposition
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Diatomite supported Ni-Mg catalyst precursors (Ni-Mg/D) with a constant Ni/Mg ratio, prepared by the precipitation-deposition method using different nickel salts, sulfamate, nitrate, chloride, acetate or formate, were studied by hydrogen chemisorptions and temperature programmed reduction (H2- TPR).The results showed that the dispersion of nickel and the reducibility of the prepared catalyst precursors were different depending upon the counter ion of the nickel salt. Among the studied nickel salts, the best results for the dispersion of metallic Ni and reducibility of Ni-Mg/D catalyst precursors were achieved using nickel sulfamate salt.
Source:Physical Chemistry 2016 (Proceedings) - 13th International Conference on Fundamental and Applied Aspects of Physical Chemistry, Belgrade, 2016, 1, 223-226
- Belgrade : Society of Physical Chemists of Serbia