Synergies between Ni, Co, and Mn ions in trimetallic Ni1-xCoxMnO4 catalysts for effective hydrogen production from propane steam reforming
作者： Seung Won Jo , Younghwan Im , Jeong Yeon Do , No-Kuk Park , Tae Jin Lee
DOI: 10.1016/J.RENENE.2017.05.072
关键词: Hydrogen production 、 Propane 、 X-ray photoelectron spectroscopy 、 Catalysis 、 Steam reforming 、 Chemistry 、 Adsorption 、 Inorganic chemistry 、 Degradation (geology) 、 Reaction mechanism
摘要: Abstract To suppress the rapid degradation of Ni-based catalysts, Co along with Ni was used as a catalytic active species Mn oxide promoter that has excellent oxygen transfer ability. This study examines optimal ratios between and in synthesized catalyst Ni1-xCoxMnO4 for high hydrogen production propane reforming reaction. The catalysts were characterized by XRD, TEM, XPS, TPD CO, C3H8, H2O, TPR H2. In addition, reaction mechanism behaviors gases adsorbed on investigated NMR analysis. results confirmed reduction mainly occurs before Co, which means acts main species. gas adsorption increases over contain both Co; also showed improved activities. optimum ratio Ni:Co is 0.6:0.4, evolution >80%; complete conversion obtained 30Ni00.6Co0.4MnO4/Al2O3 10 h.
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