Ethylene glycol dry reforming on Ni/Al2O3 catalyst for syngas generation

[摘要] It is the first time ethylene glycol dry reforming (EGDR) reaction was carried out for syngas production on 10%Ni/Al2O3 catalyst in a tubular fixed-bed reactor at atmospheric condition. Wet-impregnation method was employed for the synthesis of 10%Ni/Al2O3 catalyst. The results of X-ray diffraction measurement revealed the presence of γ-Al2O3, NiO, NiAl2O4, Ni0 and graphitic carbon phases on the surface of spent 10%Ni/Al2O3 catalyst. H2 temperature-programmed reduction indicates that NiO and NiAl2O4 phases were totally reduced to metallic nickel phase at reduction temperature above 970 K. EGDR activity appeared to be steady with time-on-stream beyond 5-7 h. Catalytic activity was considerably improved with increasing feed ratio of CO2:C2H6O2 from 1:1 to 2.5:1.

[发布机构] Faculty of Chemical and Natural Resources Engineering, Universiti Malaysia Pahang, Lebuhraya Tun Razak, Pahang, Gambang, Kuantan; 26300, Malaysia^1;Centre of Excellence for Advanced Research in Fluid Flow, Universiti Malaysia Pahang, Pahang, Gambang, Kuantan; 26300, Malaysia^2

[效力级别] 材料科学 [学科分类] 材料科学（综合）

[关键词] Atmospheric conditions;Graphitic carbons;H2 temperature-programmed reduction;Reduction temperatures;Syn-gas generation;Tubular fixed bed reactors;Wet impregnation method;X-ray diffraction measurements