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Active Pd/Fe(OH)x catalyst preparation for nitrobenzene hydrogenation by tracing aqueous phase chlorine concentrations in the washing step of catalyst precursors |
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| Authors: | Chengming Zhang Xinjiang Cui Youquan Deng Feng Shi |
| Institution: | 1. State Key Laboratory for Oxo Synthesis and Selective Oxidation, Centre for Green Chemistry and Catalysis, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, No. 18, Tianshui Middle Road, Lanzhou 730000, China;2. University of Chinese Academy of Sciences, Beijing 100049, China |
| Abstract: | By tracing the chlorine concentrations in the aqueous solutions containing the catalyst precursors, Pd/Fe(OH)x catalysts with different activities can be controllably prepared. For the hydrogenation of nitrobenzene, the active Pd/Fe(OH)x catalysts were obtained from aqueous solutions with chlorine concentrations below 18 ppm and above 8 ppm. |
| Keywords: | Chlorine Heterogeneous catalysis Catalyst preparation Nitrobenzene Hydrogenation |
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