Syngas production via microwave-assisted Dry Reforming of Methane over NiFe/MgAl2O4 alloy catalyst

被引:0
|
作者
Olowoyo, Joshua O. [1 ]
Sharifvaghefi, Seyyedmajid [1 ]
Zheng, Ying [1 ]
机构
[1] Western Univ, Dept Chem & Biochem Engn, Thompson Engn Bldg, London, ON N6A 5B9, Canada
基金
加拿大自然科学与工程研究理事会;
关键词
Dry methane reforming; Microwave; Syngas; Alloy catalyst; Renewable energy; CO2; emissions; ALUMINA CATALYSTS; IRON-OXIDE; CARBON; CO2; NICKEL; NI; REDUCTION; TEMPERATURE; STABILITY; HYDROGEN;
D O I
10.1016/j.cep.2024.109899
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
Dry reforming of methane (DRM) represents a promising avenue for generating syngas while simultaneously reducing CO2 2 emissions. However, its industrial application has been constrained by the necessity for elevated temperatures to prevent coke. Microwave (MW)-assisted DRM emerges as a compelling solution to facilitate high-temperature reactions, capitalizing on surplus renewable electrons to heat the catalyst bed swiftly and selectively, thereby circumventing the inefficient heating of the entire reactor. In this study, DRM is conducted under MW irradiation using NiFe/MgAl2O4 2 O 4 alloy catalysts. The impacts of MW power and catalysts' temperature- response behavior are investigated as well as the active components (Ni and Fe), and space velocity on the DRM reaction are explored. We determined the optimal quantities of Fe and Ni necessary to achieve the desired balance between MW heating and driving the DRM reaction. Under specific conditions-Ni content at 25 wt%, Fe content at 40 wt%, MW power of 286 W g- 1 , a temperature of 700 degrees C, flow rate of 450 mL min-- 1 and a space velocity of 12857 mL center dot g-1 center dot hr-- 1 center dot hr- 1 -conversion rates of 85% for CH4 4 and 62% for CO2 2 are achieved. NiFe/MgAl2O4 2 O 4 catalysts demonstrated high potential to be used in the MW-driven DRM as compared to conventional electric heating methods.
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页数:12
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