RhNi/SBA-15 catalysts with different metal ratios were prepared by loading RhNi nanoparticles onto SBA-15 (mesoporous silica) by impregnation reduction method. The structure and catalytic performance of hydrous hydrazine for hydrogen production were further investigated. The results showed that RhNi bimetallic nanoparticles formed in RhNi/SBA-15 catalyst, and the synergistic effect between Rh and Ni could effectively improve the catalytic activity. Rh9Ni1/SBA-15 catalyst for the catalytic decomposition of hydrazine hydrate exhibited optimum catalytic activity, transformation frequency reached 2 569.6 h-1 under the conditions of temperature 323 K, NaOH concentration 0.15 mol/L. The Rh9Ni1/SBA-15 catalyst has high catalytic activity was maintained after five cycles."/>
RhNi/SBA-15纳米催化剂的制备及其催化水合肼分解制氢性能
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Preparation of RhNi/SBA-15 Nano-Catalyst and Its Catalytic Performance for Hydrogen Production from Hydrazine Hydrate Decomposition
QIU Xiaokui 1, SUN Jiali 1, HUA Junfeng 2, ZHENG Junning 3, WAN Chao 1,3,4
1. Anhui Guibao Silicones Company Limited, Ma’anshan 243000, China;
2. Zhejiang Environment Technology Company Limited, Hangzhou 310027, China;
3. School of Chemistry and Chemical Engineering, Anhui University of Technology, Ma’anshan 243000, China;
4. College of Chemical Engineering and Biological Engineering, Zhejiang University, Hangzhou 310058, China
Abstract：RhNi/SBA-15 catalysts with different metal ratios were prepared by loading RhNi nanoparticles onto SBA-15 (mesoporous silica) by impregnation reduction method. The structure and catalytic performance of hydrous hydrazine for hydrogen production were further investigated. The results showed that RhNi bimetallic nanoparticles formed in RhNi/SBA-15 catalyst, and the synergistic effect between Rh and Ni could effectively improve the catalytic activity. Rh9Ni1/SBA-15 catalyst for the catalytic decomposition of hydrazine hydrate exhibited optimum catalytic activity, transformation frequency reached 2 569.6 h-1 under the conditions of temperature 323 K, NaOH concentration 0.15 mol/L. The Rh9Ni1/SBA-15 catalyst has high catalytic activity was maintained after five cycles.
QIU Xiaokui,SUN Jiali,HUA Junfeng et al. Preparation of RhNi/SBA-15 Nano-Catalyst and Its Catalytic Performance for Hydrogen Production from Hydrazine Hydrate Decomposition[J]. Chemical Reaction Engineering and Technology, 2023, 39(4): 313-318.
