Versatile Ni-Ru catalysts for gas phase CO2 conversion: Bringing closer dry reforming, reverse water gas shift and methanation to enable end-products flexibility

被引：39

作者：

Merkouri, Loukia-Pantzechroula ^{[1
]}

le Sache, Estelle ^{[1
]}

Pastor-Perez, Laura ^{[1
,2
,3
]}

Duyar, Melis S. ^{[1
]}

Ramirez Reina, Tomas ^{[1
,2
,3
]}

机构：

[1] Univ Surrey, Dept Chem & Proc Engn, Guildford GU2 7XH, Surrey, England

[2] Univ Seville, Dept Inorgan Chem, CSIC, Seville 41092, Spain

[3] Univ Seville, Mat Sci Inst, CSIC, Seville 41092, Spain

来源：

FUEL | 2022年 / 315卷

基金：

英国工程与自然科学研究理事会;

关键词：

CO2; recycling; Dry Reforming of Methane; Reverse Water-Gas Shift; methanation; Ni-Ru bimetallic catalyst; CARBON-DIOXIDE HYDROGENATION; SYNTHETIC NATURAL-GAS; SYNGAS PRODUCTION; NI/CEO2-AL2O3; CATALYSTS; FORM METHANOL; STEAM; REDUCTION; CAPTURE; CEO2; TECHNOLOGIES;

D O I：

10.1016/j.fuel.2021.123097

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

Advanced catalytic materials able to catalyse more than one reaction efficiently are needed within the CO2 utilisation schemes to benefit from end-products flexibility. In this study, the combination of Ni and Ru (15 and 1 wt%, respectively) was tested in three reactions, i.e. dry reforming of methane (DRM), reverse water-gas shift (RWGS) and CO2 methanation. A stability experiment with one cycle of CO2 methanation-RWGS-DRM was carried out. Outstanding stability was revealed for the CO2 hydrogenation reactions and as regards the DRM, coke formation started after 10 h on stream. Overall, this research showcases that a multicomponent Ni-Ru/CeO2 -Al2O3 catalyst is an unprecedent versatile system for gas phase CO2 recycling. Beyond its excellent performance, our switchable catalyst allows a fine control of end-products selectivity.

引用

页数：10

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