Effect of Zn addition on the direct synthesis of hydrogen peroxide over supported palladium catalysts

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• 作者：Suli Wang^a ; Kaige Gao^a ; Wei Li^a ; Jinli Zhang^a ; ^b ; ^{zhangjinli@tju.edu.cn}
• 关键词：PdZn catalysts ; Direct synthesis of hydrogen peroxide ; Geometric change ; Electronic effect
• 刊名：Applied Catalysis A: General
• 出版年：2017
• 出版时间：5 February 2017
• 年：2017
• 卷：531
• 期：Complete
• 页码：89-95
• 全文大小：2108 K
• 卷排序：531

文摘

The configuration of Zn and Pd has both a significantly positive effect on H2O2 productivity and a corresponding increasing on the selectivity. The addition of Zn increases the isolated Pd sites, the primary active sites for H2O2 formation, which promotes the H2O2 selectivity. Both the high Pd dispersion and the incremental Pd0 content in PdZn samples lead to a high reactivity and a striking H2O2 productivity.