CAJ | 학술논문

为进一步研究常温常压下吡咯及其衍生物的镍催化加氢反应,我们对试剂吡咯、吡咯烷和吡咯烷酮做了相应的催化加氢实验。并采用电镜（TEM-HREM）、X射线衍射（XRD）对Ni基催化剂的形貌、结构、加氢活性和超声波对其影响进行了检测，同时还用紫外吸收光谱、气相色谱等对加氢产物进行了分析考察。结果表明超声波能促进镍基催化剂活性，使镍微晶(111)晶面间距增大1.5%、并保持高分散态。常温常压下纳米镍基催化剂对吡咯、吡咯烷和吡咯烷酮的加氢反应显示一定的催化活性；吡咯加氢首先生成吡咯烷，进而使环打开生成低碳烃、氨等产物，总反应为零级，符合表面接触反应特征。
위진일보연구상온상압하필각급기연생물적얼최화가경반응,아문대시제필각、필각완화필각완동주료상응적최화가경실험。병채용전경（TEM-HREM）、X사선연사（XRD）대Ni기최화제적형모、결구、가경활성화초성파대기영향진행료검측，동시환용자외흡수광보、기상색보등대가경산물진행료분석고찰。결과표명초성파능촉진얼기최화제활성，사얼미정(111)정면간거증대1.5%、병보지고분산태。상온상압하납미얼기최화제대필각、필각완화필각완동적가경반응현시일정적최화활성；필각가경수선생성필각완，진이사배타개생성저탄경、안등산물，총반응위령급，부합표면접촉반응특정。
For further studied on nano-Ni catalytic hydrogenation of pyroole and its derivatives at normal temperature and pressure, we have did relevant catalytic hydrogenation experiments to pyrrole, pyrrolidine and pyrrolidone. The images and microstructure of nickel-based catalytic, hydrogenation activity and effect of ultrasonic wave were detected by the TEM-HREM and XRD. Besides the products of hydrogenation were investigated by the UV and GC. The results demonstrated that employment of ultrasonic wave has benefit on the maintenance of catalyst activity. The interspace of nickel (111) crystal face increases its distance at 1.5%. The nanosized nickel-based catalyst exhibits catalytic activity for the hydrogenation of pyrrole, pyrrolidine and pyrrolidone at normal temperature and pressure. The hydrogenation of pyrrole produces pyrrolidine at first, then the ring is broken and low-C hydrocarbons, ammonia etc are produced. The general reaction is found to be zero-order, which agrees with the character of surface-contact reaction.