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用浸渍法将Ni负载到经功能化的多壁碳纳米管上(MWCNTs)上,采用电镜(TEM)红外光谱(IR)TPR、TPD、CS2中毒实验对催化剂进行表征,以苯加氢为探针反应,结果发现经Ni修饰的多壁碳纳米管相比同样负载量的-γAl2O3载体具有更好的催化活性和抗毒性能。并且在经Ni修饰的多壁碳纳米管上容易产生“氢溢流”现象。
Ni was loaded onto MWCNTs by impregnation method. The catalysts were characterized by TEM, IR, TPR, TPD and CS2 poisoning. The results showed that multi-walled carbon nanotubes modified by Ni had better catalytic activity and anti-toxicity than -γAl2O3 with the same loading. And “hydrogen overflow” phenomenon easily occurs on Ni-modified MWNTs.