Page 29 - 《精细化工)》2023年第10期
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第 10 期 宋宇淙,等: 保留取代基团的苯环选择加氢反应催化剂研究进展 ·2107·
如图 5 所示。Ru 在碳纳米管(CNTs)表面分布, 本。(2)对载体进行改性修饰,调节载体表面与活
形成活性位中心。Ru 活性位吸附氢分子并解离为 H, 性组分之间的相互作用,实现活性组分的高度分散
同时和 p-PDA 上的苯环共轭,使不饱和的苯环大 π 和有效活性位数量的增加。(3)通过原位技术加深
键打开,形成活泼的吸附化合物,接着活性氢原子 对苯环选择性加氢催化机理的研究,为新催化剂的
与不饱和化合物 C==C 双键碳原子结合,生成加氢 开发提供理论指导。(4)考虑以异丙醇等液态储氢
产物 1,4-CHDA。加氢产物无共轭结构后,从活性 介质替代氢气作为氢源,提出具有绿色和本质安全
位中心离去,活性位中心重新吸附。 特征的催化反应路径,开发出更高效的催化体系。
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