THE ROLE OF CARBON-DIOXIDE IN THE OXIDATIVE DIMERIZATION OF METHANE OVER LI/MGO

被引:22
作者
COULTER, K [1 ]
GOODMAN, DW [1 ]
机构
[1] TEXAS A&M UNIV SYST,DEPT CHEM,COLL STN,TX 77843
关键词
METHANE COUPLING; LITHIUM MAGNESIUM OXIDE; CARBON DIOXIDE INHIBITION;
D O I
10.1007/BF00769289
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
CO2 is strongly adsorbed on Li/MgO as a surface carbonate and desorbs concomitantly with Li with an activation energy of desorption of 210 kJ/mol. The C2 product is strongly influenced by the presence of CO2, 0.5 Torr being sufficient to substantially lower the rate of C2 production and to establish an activation energy for reaction of 210 kJ/mol. In the absence of CO2, the activation energy of C2 production falls to 105 kJ/mol.
引用
收藏
页码:169 / 178
页数:10
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