Abstract
Porous CuO/SiO2 hollow microspheres were synthesized via an impregnation method using pure SiO2 hollow microspheres as the supporter, and Cu species as the functional material. The hollow microspheres were characterized by X-ray diffraction, BET surface area, temperature-programmed reduction, transmission electron microscopy, and scanning electron microscopy. The catalytic activities of the CuO/SiO2 hollow microspheres were investigated via the removal of the total chemical oxygen demand (COD) in the oxidation of phenol solution with air as an oxidant. The influence of various reaction parameters such as the reaction temperature, the partial pressure of O2, and the initial pH of the solution were studied in detail. The coordination, dispersion and aggregation degree of copper species on porous materials play an important role for the COD removal of the phenol aqueous solution.
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This work was financially supported by the Fundamental Research Funds for the National Natural Science Foundation of China (Grant No. 51071108) and the Fundamental Research Funds for the Central Universities (No. 12CX04090A).
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Xie, F., Wang, L., Wang, K. et al. Preparation of CuO/SiO2 Hollow Spheres for Catalytic Oxidation of Phenol. Catal Surv Asia 20, 74–81 (2016). https://doi.org/10.1007/s10563-016-9208-8
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DOI: https://doi.org/10.1007/s10563-016-9208-8