SOLID-SOLUTIONS OF BISMUTH OXIDE AS PROMISING CATALYSTS FOR OXIDATIVE COUPLING OF METHANE

被引:0
|
作者
VOSKRESENSKAYA, EN [1 ]
KURTEEVA, LI [1 ]
ANSHITS, AG [1 ]
机构
[1] KRASNOYARSK CHEM NAT ORGAN MAT INST,K MARX STR 42,KRASNOYARSK 660049,USSR
关键词
BISMUTH OXIDE; ERBIUM DOPED BISMUTH OXIDE; LATTICE OXYGEN DEFECTS; LITHIUM; METHANE OXIDATIVE COUPLING; SAMARIUM; SOLID SOLUTIONS;
D O I
暂无
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
The relationship between the catalytic properties for Li/Bi2O3, Sm/Bi2O3, Er/Bi2O3 systems in oxidative coupling of methane (OCM) and their oxygen defect type has been investigated. It has been shown that solid solutions in Li/Bi2O3 system are active and selective catalysts, while defects of the type of hole centres probably determine their properties. Er/Bi2O3, Sm/Bi2O3 oxygen ion conductors, having a high mobility of lattice oxygen and a significant concentration of oxygen vacancies, are active but show much less selectivity in the OCM reaction.
引用
收藏
页码:209 / 216
页数:8
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