Significant low-temperature activity of tetragonal-type ZrO2-supported Ru catalysts for CO2 methanation

被引：1

作者：

Sato, Katsutoshi ^{[1
,2
]}

Higuchi, Hitomi ^{[1
]}

Nagaoka, Katsutoshi ^{[1
,3
]}

机构：

[1] Nagoya Univ, Grad Sch Engn, Dept Chem Syst Engn, Furo cho,Chikusa ku, Nagoya, Aichi 4648603, Japan

[2] Nagoya Univ, Inst Adv Res, Furo cho,Chikusa ku, Nagoya, Aichi 4648601, Japan

[3] Nagoya Univ, Inst Innovat Future Soc, Furo Cho,Chikusa Ku, Nagoya, Aichi 4648601, Japan

来源：

CHEMISTRY LETTERS | 2024年 / 53卷 / 10期

关键词：

carbon neutral; hydrogenation; methanation; ZRO2; HYDROGENATION; ADSORPTION; FORMATE;

D O I：

10.1093/chemle/upae178

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Conversion of CO2 with H-2 to CH4 is a potential route for the utilization of CO2. Because CO2 methanation is an exothermic reaction, the equilibrium yield decreases with increasing temperature. A catalyst that exhibits high activity at low temperatures is thus highly desirable. We report here that a tetragonal-type ZrO2-supported Ru catalyst prepared by low-temperature calcination showed significant low-temperature activity for CO2 methanation. We surmise that an intermediate formate species formed over the tetragonal-type ZrO2 and enhanced the catalytic activity.

引用

页数：5

共 29 条

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