过渡金属与微波等离子体协同催化甲烷制乙炔  

Methane conversion into acetylene by synergism of transition metal catalyst and microwave plasma

作　　者：徐春蕾 董家騄[2] 杨鸿生[1] 孙永志[1] 孙德坤[2] 杨春[3] 

机构地区：[1]东南大学毫米波国家重点实验室,南京210096 [2]南京大学化学化工学院,南京210093 [3]南京师范大学化学与环境科学学院,南京210097

出　　处：《东南大学学报（自然科学版）》2004年第2期210-214,共5页Journal of Southeast University：Natural Science Edition

基　　金：江苏省科技厅资助项目 (BE2 0 0 10 3 4)

摘　　要：研究了在过渡金属Fe Ni催化剂与微波等离子体协同作用下甲烷偶联制乙炔的反应 .考察了催化剂组成、微波辐照时间和体系压力对反应的影响 .在体系压力为 40 5 3Pa、微波辐照时间为 5s、当组成催化剂的m(Fe) /m(Ni) =5 67时获得了较高的甲烷转化率 ( 97 3% )和乙炔收率( 73 5 % ) .并分析了可能的反应机理 .与微波场中其他催化剂的协同作用相比 ,本实验使用的过渡金属FeUnder the condition of the synergism of microwave plasma and transition metal catalyst, methane being coupled up and converted into acetylene has been studied in this paper. The effects of catalyst composition, microwave irradiation time and system pressure on the reaction were investigated. In the optimal operation, i.e., m(Fe)/m(Ni)=5.67, 4053 Pa system pressure and 5 s microwave irradiation time, the conversion of methane is up to 97.3% and the yield of acetylene is 73.5%. A possible reaction mechanism is presented to explain the experimental results. The synergism of transition metal catalyst used in this experiment is in advance of other catalysts under the same microwave irradiation.

关 键 词：过渡金属催化剂 微波等离子体 甲烷偶联 

分 类 号：TQ211[化学工程—有机化工]