The Effect of La2O3 on Ni/Al2O3 Catalyst for Methanation at Very Low COx/H-2 Ratio

Michalska Kamila; Kowalik Pawel; Prochniak WieslawBorowiecki Tadeusz

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The Effect of La2O3 on Ni/Al2O3 Catalyst for Methanation at Very Low COx/H-2 Ratio

机译：The Effect of La2O3 on Ni/Al2O3 Catalyst for Methanation at Very Low COx/H-2 Ratio

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The effect of La2O3 on physicochemical and catalytic properties of Ni/Al2O3 catalysts for carbon oxides methanation was investigated. A series of model Ni-La-Al catalysts with a similar Ni/(Al + La) ratio and with a variable Ni/La ratio were prepared by coprecipitation method. The textural properties of catalysts, reducibility and reaction rate as well as specific activity and the apparent activation energies of carbon oxides methanation was determined. The results reveal a strong and beneficial influence of La2O3 on catalytic activity, despite the fact that their basic textural-surface properties were not substantially modified.

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《Catalysis Letters》 |2018年第3期|972-978|共7页
作者
Michalska Kamila; Kowalik Pawel; Prochniak WieslawBorowiecki Tadeusz;
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作者单位

New Chem Synth Inst, Al Tysiaclecia Panstwa Polskiego 13A, PL-24110 Pulawy, Poland;

Marie Curie Sklodowska Univ, Fac Chem, Pl M Curie Sklodowskiej 3, PL-20031 Lublin, Poland;

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正文语种英语
中图分类催化;
关键词
Carbon oxides; Methanation; Ni-Al catalyst; Modifier; Ni specific activity;

The Effect of La2O3 on Ni/Al2O3 Catalyst for Methanation at Very Low COx/H-2 Ratio

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