Studies on highly active and low-cost Ni-Fe Bi-metallic catalyst supported on alumina for CO2 hydrogenation reaction

被引：0

作者：

Jithesh, P. R. ^{[1
,2
]}

Ponminiessary, Robinson P. ^{[3
]}

Gopinath, Rajesh ^{[2
]}

Sreekanth, Anandaram ^{[1
]}

机构：

[1] Natl Inst Technol, Dept Chem, Tiruchirappalli 620015, Tamil Nadu, India

[2] Sud Chem India Pvt Ltd, Res & Dev Div, Cochin 683502, India

[3] Christ Coll, Dept Chem, Irinjalakuda 680125, Kerala, India

来源：

REACTION KINETICS MECHANISMS AND CATALYSIS | 2025年 / 138卷 / 04期

关键词：

Bimetallic catalysts; Coking; CO2; hydrogenation; Acid to base precipitation; CARBON-DIOXIDE; METHANATION; IRON; ADSORPTION; PROMOTION;

D O I：

10.1007/s11144-025-02847-7

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：

Ni-Fe bimetallic catalysts supported on Al2O3 for CO2 hydrogenation were prepared using low-cost metal precursors following acid to base precipitation method. The single metal catalysts were also prepared in a similar route for comparison studies. CO2 methanation activity studies were conducted to screen the catalysts and XRD, N-2 physisorption studies, H-2-TPR, CO2-TPD analysis were performed to corelate catalyst properties with performance. The 15Ni5Fe-Al2O3 catalyst performed better in terms of activity, selectivity and resistance towards coking. The said catalyst also performed very well at low temperatures. Higher Fe loading was found to be detrimental towards methanation performance. The adopted preparation method is easily scalable and suitable for commercial application.

引用

页码：2163 / 2177

页数：15

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