Highly efficient CuO/CeO2–SiO2 catalysts for the hydrogenation of nitrobenzene: new insights into cerium supportстатьяИсследовательская статья
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Дата последнего поиска статьи во внешних источниках: 15 апреля 2026 г.
Аннотация:The catalytic properties of CuO/SiO 2 and CuO/CeO2–SiO2 systems were investigated in the hydrogenation ofnitrobenzene into the aniline. The supports were synthesized by a sol–gel method using b-cyclodextrin and its methylated derivative as templates; copper catalysts were prepared by the incipient wetness impregnation of synthesized CeO2–SiO2 supports and characterized by XRD, N 2 adsorption–desorption and SEM-EDX methods. Copper catalysts based on mixed CeO2–SiO2 support showed increased efficiency;the full conversion of nitrobenzene was achieved using the CuO/CeO2–SiO2 catalyst (with 15 wt% CuO) at 180 °C.