The Effect of Particle Size and the Modifier on the Properties of Palladium Catalysts in the Synthesis of Hydrogen Peroxide by the Anthraquinone Method
作者:T. P. Sterenchuk、L. B. Belykh、N. I. Skripov、S. B. Sanzhieva、K. L. Gvozdovskaya、F. K. Schmidt
DOI:10.1134/s0023158418050166
日期:2018.9
reducing agent) and hydrogenation of aromatic rings in 2-ethyl-9,10-anthrahydroquinone (in the case of AlEt3 as a reducing agent). Elementary phosphorus was found to have a promoting effect on the selectivity of palladium catalysts in the synthesis of hydrogen peroxide by the anthraquinone method. The main factors that make it possible to control the selectivity of palladium catalysts were discussed.
研究了催化体系的组成和粒径对2-乙基-9,10-蒽醌加氢中钯催化剂性能的影响。结果表明,根据还原剂(H 2,AlEt 3)的性质,在不存在改性剂的情况下形成的钯物质与2-乙基-9,10-蒽醌一起在很大程度上催化了各种副反应。氢化:主要是氢解(在H 2作为还原剂的情况下)和2-乙基-9,10-蒽氢醌中的芳香环的氢化(在AlEt 3的情况下)作为还原剂)。发现在蒽醌法合成过氧化氢中,元素磷对钯催化剂的选择性具有促进作用。讨论了可以控制钯催化剂选择性的主要因素。