Abstract
The Ni/γ–Al 2O 3 catalyst was modified by CaO in order to improve the thermal stability and the carbon deposition resistance during the CO 2 reforming of methane to syngas reaction. The catalytic performance, thermal stability, structure, dispersivity of nickel and carbon deposition of the modified and unmodified catalysts were investigated by a series of characterization techniques (X-ray diffraction (XRD), BET, H 2 chemisorption, temperature programmed reduction (TPR) and flow-reaction). Results showed that catalysts modified with CaO improve their stability better than the nickel-based catalysts.
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