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  • Title: Influence of Preparation Conditions on the Performance of Ni-Based Catalysts for Glycerol Steam Reforming.
    Author: Xie S, Zhang X, Tu Q, Shi B, Cui Y, Chen C.
    Journal: ACS Omega; 2018 Oct 31; 3(10):13335-13342. PubMed ID: 31458048.
    Abstract:
    The effect of preparation conditions on the performance of Ni-based catalysts was investigated for glycerol steam reforming. La0.7Ce0.3NiO3 mixed oxides were synthesized using different solution concentrations and calcination temperatures by a co-precipitation method. Brunauer-Emmett-Teller, inductively coupled plasma, X-ray diffraction, temperature-programmed reduction, field emission scanning electron microscopy, CO2-temperature-programmed desorption, thermal gravity analysis, and Raman spectroscopy were performed to characterize the catalysts. With an La2NiO4 phase at lowest solution concentration, a catalyst precursor included an LaNiO3 phase instead of La2NiO4 at other solution concentrations. At a low calcination temperature of 700 °C, it was found that the smaller particle size of CeO2 incorporated more lanthanum and higher surface basicity, and the La2O2CO3 phase could effectively inhibit and eliminate coking leading to the better performance of catalysts.
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