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Efficient multimetallic catalytic systems for the selective hydrogenation of nitric acid |
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| Authors: | Takuma Hara Yosuke Nakamura Jun Nishimura |
| Affiliation: | aDepartment of Nano-Material Systems, Graduate School of Engineering, Gunma University, 1-5-1 Tenjin-cho, Kiryu, Gunma 376-8515, Japan bEvonik Degussa Japan Co. Ltd., Business Line Catalysts, Tsukuba Minami Daiichi Kogyo Danchi, 21 Kasuminosato Ami-machi, Inashiki-gun Ibaraki-ken 300-0315, Japan cDepartment of Chemistry and Chemical Biology, Graduate School of Engineering, Gunma University, Tenjin-cho, Kiryu, Gunma 376-8515, Japan |
| Abstract: | New multimetallic catalytic systems for the selective hydrogenation of nitric acid to hydroxylamine were developed by investigating the promoter effect of one or more additional metals from Group 8 to 11 on Pd/C (combined with GeO2). Among various multimetallic catalytic systems investigated here, Pd + Ni/C, Pd + Ni + Fe/C, and Pd + Au + Fe/C (combined with GeO2) were found to be particularly effective systems, which provided much higher catalytic activity as well as higher selectivity than those of not only the non-doped Pd/C system but also the Pd + Fe/C system developed recently. |
| Keywords: | Nitric acid Selective hydrogenation Hydroxylamine Pd/C Ni-doping |
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