EFFECT OF DIFFERENT SUPPORTS ON ACTIVITY OF NICKEL CATALYSTS IN WATER-GAS SHIFT REACTION

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ESLAMI ALI; ALAVI AMLASHI SEYED MEHDI

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Journal: PETROLEUM RESEARCH Year:2015 | Volume:25 | Issue:81 Page(s): 145-157

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Title

EFFECT OF DIFFERENT SUPPORTS ON ACTIVITY OF NICKEL CATALYSTS IN WATER-GAS SHIFT REACTION

Author(s)

ESLAMI ALI | ALAVI AMLASHI SEYED MEHDI | Issue Writer Certificate

Keywords

WATER-GAS SHIFT REACTIONQ2

NICKEL CATALYSTQ2

CARBON MONOXIDE CONVERSIONQ2

CERIUM OXIDEQ2

Abstract

Water gas shift is an exothermic reaction used to enhance hydrogen content and reduce CO concentration in synthesis gas. In this study, the effect of nickel cata- lysts supported on CeO2, A12O3, TiO2, ZrO2, and SiO2 on carbon monoxide conver- sion and producing carbon dioxide was investigated. Nickel was loaded taking the advantage of wet impregnation. In order to investigate the structure and morphol- ogy of the as prepared catalysts, BET, XRO, SEM, and TEM tests were employed. The test reactor was a tabular reactor made of quarts. Total flow rate was consid- ered 300 ml/min and 150 mg mass of catalyst was loaded in the reactor. The per- formance of catalysts was investigated in the temperature range of 300-500 °C and at steam to carbon monoxide ratio of 1, 2, and 4. In addition, catalyst stability test was performed for 570 minutes. The results indicated that both catalysts had the maximum activity at 450°C. The most conversion of CO and CO2 selectivity was observed for Ni/CeO2 due to high oxygen capacity of CERIUM OXIDE. The optimized loading of nickel was 13% of catalyst weight. Increasing steam to carbon monoxide ratio leaded to enhance activity.

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APA: Copy

ESLAMI, ALI, & ALAVI AMLASHI, SEYED MEHDI. (2015). EFFECT OF DIFFERENT SUPPORTS ON ACTIVITY OF NICKEL CATALYSTS IN WATER-GAS SHIFT REACTION. PETROLEUM RESEARCH, 25(81), 145-157. SID. https://sid.ir/paper/114656/en

Vancouver: Copy

ESLAMI ALI, ALAVI AMLASHI SEYED MEHDI. EFFECT OF DIFFERENT SUPPORTS ON ACTIVITY OF NICKEL CATALYSTS IN WATER-GAS SHIFT REACTION. PETROLEUM RESEARCH[Internet]. 2015;25(81):145-157. Available from: https://sid.ir/paper/114656/en

IEEE: Copy

ALI ESLAMI, and SEYED MEHDI ALAVI AMLASHI, “EFFECT OF DIFFERENT SUPPORTS ON ACTIVITY OF NICKEL CATALYSTS IN WATER-GAS SHIFT REACTION,” PETROLEUM RESEARCH, vol. 25, no. 81, pp. 145–157, 2015, [Online]. Available: https://sid.ir/paper/114656/en

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