N-ZSM-5 and N-beta zeolites with enhanced basic properties were prepared by substituting the framework oxygen with nitrogen using the high temperature nitridation with ammonia. The basic zeolites and their acidic counterparts were impregnated with Ni by the incipient wetness impregnation method and their catalytic properties for the dry reforming of methane (DRM) were investigated. The physicochemical properties of the prepared catalysts, such as the chemical state of nickel and properties of the framework nitrogen and acid-bases, were characterized by elemental analysis, ²⁹Si MAS NMR, NH₃ and CO₂ TPD, IR, XPS, and H₂ chemisorption. For all the catalysts, the DRM activity according to time on stream was compared by changing the temperature under the identical conditions. From the overall results, we demonstrated that the nitrided Ni/N-ZSM-5 exhibited superior DRM activity to the Ni/H-ZSM-5 especially at high temperature owing to the enhanced basic property and dispersion of Ni active species.

通过使用氨进行高温氮化，用氮取代骨架氧，可以制备出具有增强碱性的N-ZSM-5和N-β沸石。用初期湿润浸渍法将碱性沸石和其酸性对应物用镍浸渍，并研究了它们对甲烷干重整的催化性能。通过元素分析，²⁹ Si MAS NMR，NH ₃和CO ₂ TPD，IR，XPS和H表征了制备的催化剂的物理化学性质，如镍的化学状态以及骨架氮和酸碱的性质。₂化学吸附。对于所有催化剂，通过在相同条件下改变温度，比较了根据生产时间的DRM活性。从总体结果来看，我们证明了氮化的Ni / N-ZSM-5表现出比Ni / H-ZSM-5更好的DRM活性，特别是在高温下，这归因于增强了的Ni性能和Ni活性物质的分散性。