固-液-气三相环境下非均相苯加氢反应的原位核磁共振研究
随松,高国梁,王雪璐*(
),魏达秀*(),姚叶锋*()
),魏达秀*(),姚叶锋*()
An Operando Nuclear Magnetic Resonance Study on Solid-Liquid-Gas Heterogeneous Benzene Hydrogenation Reaction
Song SUI,Guo-liang GAO,Xue-lu WANG*(),Da-xiu WEI*(),Ye-feng YAO*()
),Da-xiu WEI*(),Ye-feng YAO*()
图8. (a) BCN、Pd cube/BCN和Pd octa/BCN催化苯加氢反应体系的1H NMR谱图.实验温度为298 K.实验压力为2.5 bar；(b) 环己烯标准物中远离双键的质子的1H NMR谱图；(c)不同暴露晶面的催化剂选择性催化苯加氢反应示意图
Fig.8. 1H NMR spectra of catalytic hydrogenation of benzene, catalyzed by BCN, Pd cube/BCN and Pd octa/BCN. The experimental temperature is 298 K and the reaction pressure is 2.5 bar; (b) 1H NMR spectrum of cyclohexene standard material away from carbon-carbon double-bond; (c) Schematic diagram of selective hydrogenation of benzene catalyst by nanoparticles with different exposed surfaces
