期刊
CATALYSIS TODAY
卷 307, 期 -, 页码 205-211出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.cattod.2017.04.020
关键词
CO2 methanation; Nickel; Hydrotalcite; Lanthanum
资金
- AGH [11.11.210.213]
A series of hydrotalcite-derived mixed oxides containing Ni/Mg/La/Al and obtained by thermal decomposition, were characterized by XRD, H-2-TPR, CO2-TPD, elemental analysis and low temperature nitrogen sorption techniques. The results confirm the formation of periclase-like structured materials. The catalysts containing lanthanum, incorporated by different methods, i.e. co-precipitation, impregnation and ion-exchange, showed outstanding catalytic activity at 300 degrees C, with CO2 conversions around 36-87% and CH4 selectivity of 98-99%.
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