Fig. 1. Experimental set-up for methanol steam reforming
Fig. 2. SEM image of synthesized catalysts (a, b) Ni20CGO, (c, d) Cu20CGO, (e, f) Cu40CGO, (g, h) Cu60CGO
Fig. 3. X-ray diffraction patterns of synthesized catalysts
Fig. 4. Comparison of methanol conversion of synthesized catalysts Ni20CGO and Cu20CGO (reaction condition:T=200-300℃, P=0-5 barg, SCR=1.5, HSV=2,000 h-1)
Fig. 5. Catalytic performance of Ni20CGO catalyst. (a, b) yield of product gases (c, d) selectivity of product gases (reaction condition: T=200-300℃, P=0-5 barg, SCR=1.5, GHSV=2,000 h-1)
Fig. 6. Catalytic performance of Cu20CGO catalyst. (a, b) yield of product gases (c, d) selectivity of product gases (reaction condition: T=200-300℃, P=0-5 barg, SCR=1.5, GHSV=2,000 h-1)
Fig. 7. Comparison of Methanol conversion with Cu contents of catalysts (reaction condition : T= 200-300℃, P=0-5 barg, SCR=1.5, GHSV=2,000h-1).
Fig. 8. Catalytic performance of Cu20CGO, Cu40CGO and Cu60CGO catalysts (a, b) 0 barg, (c, d) 2.5 barg, (e, f) 5 barg (reaction condition: T=200-300℃, SCR=1.5, GHSV=2,000 h-1)
Table 1. Summary of synthesized catalyst
Table 2. Chemical composition of synthesized catalysts ana-lyzed by EDS
Table 3. Characteristics of synthesized catalysts analyzed by BET, XRD
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