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Keywords
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Mesoporous, Alumina, Catalyst, Nano, Reforming, CO2
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Abstract
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A study was conducted to examine the effects of calcination temperature and acid used for synthesis on the performance of Nickel catalyst in dry reforming of methane under various experimental conditions. The characterization of catalysts supported on a cubic- ordered mesoporous alumina was carried out by using powder XRD, N2 sorption, TPR, TPO, FTIR, XPS, high-resolution TEM, and thermogravimetric analyses. The catalyst synthesized by nitric acid and calcined at 500 °C demonstrated the best catalytic performance, achieving conversions of CH4 = 92% and H2/CO= 0.8 at 800 °C. During the long-term reaction of the catalyst, deactivation was observed after 100 h at 700 ℃, and GHSV = 27,200 mL/g catalyst.h due to the carbon deposition= 4.9%.
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