A STUDY OF CARBON DEPOSITION ON CATALYSTS DURING THE PARTIAL OXIDATION OF METHANE TO SYNTHESIS GAS

被引：289
|
作者：
CLARIDGE, JB
GREEN, MLH
TSANG, SC
YORK, APE
ASHCROFT, AT
BATTLE, PD
机构：
[1] Inorganic Chemistry Laboratory, University of Oxford, Oxford, OX13QR, South Parks Road
来源：
CATALYSIS LETTERS | 1993年 / 22卷 / 04期
关键词：
METHANE PARTIAL OXIDATION; CARBON DEPOSITION; KINETIC BARRIER;
D O I：
10.1007/BF00807237
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 deposition of carbon on catalysts during the partial oxidation of methane to synthesis gas has been investigated and it has been found that the relative rate of carbon deposition follows the order Ni > Pd > Rh > Ir. Methane decomposition was found to be the principal route for carbon formation over a supported nickel catalyst, and electron micrographs showed that both ''whisker'' and ''encapsulate'' forms of carbon are present on the catalyst. Negligible carbon deposition occurred on iridium catalysts, even after 200 h.
引用
收藏
页码：299 / 305
页数：7
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