Effect of the Ni-to-CaO Ratio on Integrated CO 2 Capture and Direct Methanation.

Autor:	Woo, Jin-Hyeok, Jo, Seongbin, Kim, Ju-Eon, Kim, Tae-Young, Son, Han-Dong, Ryu, Ho-Jung, Hwang, Byungwook, Kim, Jae-Chang, Lee, Soo-Chool, Gilliard-AbdulAziz, Kandis Leslie
Předmět:	CARBON sequestration METHANATION THERMAL stability
Zdroj:	Catalysts (2073-4344); Aug2023, Vol. 13 Issue 8, p1174, 11p
Abstrakt:	Direct methanation in an integrated CO2 capture and utilization system has recently gained considerable attention as a promising approach owing to its simplified process and lower requirement of total thermal energy as compared to conventional CO2 capture and utilization techniques. This study formulated macroporous structured Ni/CaO catal-sorbents by controlling the Ni-to-CaO ratio. The influence of this ratio on the CO2 capture (capacity and kinetics) and direct methanation performances (productivity and kinetics) was evaluated at 500 °C. CO2 capture combined with direct methanation experiments revealed that 10Ni/CaO exhibited the best CO2 capture capacity, kinetics, and CH4 productivity with the thermal stability of Ni and CaO species. [ABSTRACT FROM AUTHOR]
Databáze:	Complementary Index
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