The deposition of coke during carbon dioxide reforming of methane over intermetallides

被引：52
|
作者：
Arkatova, Larisa A. [1 ]
机构：
[1] Tomsk State Univ, Dept Chem, Tomsk 634050, Russia
来源：
CATALYSIS TODAY | 2010年 / 157卷 / 1-4期
关键词：
CH4-CO2; reforming; Intermetallides; Synthesis gas; Carbon deposition; Filaments; CATALYTIC-PROPERTIES; SYNTHESIS GAS; SYNGAS; CONVERSION; STATE; STEAM; CH4; MGO;
D O I：
10.1016/j.cattod.2010.03.003
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
Dry reforming of methane was studied over the systems on the base of Ni3Al and Ni3Al + 5%Mo in the temperature range 600-900 degrees C The materials have been prepared by self-propagating high temperature synthesis and characterized by XRD (in situ and ex situ) DTA-TG SEM + EDX HRTEM + EDS and XPS The formation of Mo2C phase was observed at moderate Mo content (5-10 wt %) which corresponds to a much improved catalytic activity and stability under the severe carbon dioxide reforming conditions The structure and morphology of different types of carbon deposits obtained on Ni3Al and Ni3Al + 5%Mo catalysts were investigated The results indicated that the addition a low amount of Mo to Ni3Al led to a decrease in carbon deposition It is shown that Ni3Al + 5%Mo is promising catalyst for dry reforming of methane with carbon dioxide (C) 2010 Elsevier B V All rights reserved
引用
收藏
页码：170 / 176
页数：7
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