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Nickel-based perovskite catalysts: synthesis and catalytic tests in the production of syngas

机译:基于镍的钙钛矿催化剂:合成和催化试验在合成气的生产中

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摘要

Abstract La1-xSrxNiO3 (x= 0.0, 0.3 or 0.7) perovskite-type oxides were synthesized using the modified proteic gel method and using collagen as an organic precursor. Catalysts of La1-xSrxNiO3/Al2O3 were obtained using the wet impregnation method. The synthesized catalysts were characterized by X-ray diffraction, surface area and temperature-programmed reduction. The catalysts were evaluated in the partial oxidation reaction of methane, and the levels of selectivity to CO, CO2, H2 and H2O were determined. Among the catalysts studied, the catalyst LaNiO3/Al2O3 had the highest methane conversion level (78%) and higher H2 selectivity (55%).
机译:摘要使用改性的蛋白质凝胶法合成La1-XsrxNiO 3(x = 0.3或0.7)钙钛矿型氧化物,并使用胶原蛋白作为有机前体。使用湿浸渍方法获得La1-XSRXNIO3 / Al 2 O 3的催化剂。通过X射线衍射,表面积和温度编程的减少表征合成催化剂。在甲烷的部分氧化反应中评价催化剂,并测定与CO,CO 2,H 2和H 2 O的选择性水平。在所研究的催化剂中,催化剂LaniO 3 / Al 2 O 3具有最高的甲烷转化水平(78%)和更高的H2选择性(55%)。

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