CoAl2O4/Ceramic Honeycomb Catalyst: Preparation and Performance on Catalytic Ozonation in Wastewater Treatment

文献类型： 外文期刊

第一作者： Zhang Lan-He

作者： Zhang Lan-He;Gao Wei-Wei;Chen Zi-Cheng;Zhou Jing;Zhang Hai-Feng;Wang Xu-Ming

作者机构：

关键词： catalytic ozonation;hydroquinone;CoAl2O4/ceramic honeycomb;hydroxyl radical

期刊名称：CHINESE JOURNAL OF INORGANIC CHEMISTRY （ 影响因子：0.834； 五年影响因子：0.604 ）

ISSN： 1001-4861

年卷期： 2017 年 33 卷 6 期

页码：

收录情况： SCI

摘要： CoAl2O4/ceramic honeycomb catalyst was prepared by coated method and was characterized by X-ray diffraction, N-2 adsorption-desorption and transmission electron microscope. Catalytic ozonation of hydroquinone was conducted to evaluate its catalytic activity. The results showed that the crystal phase of CoAl2O4/ceramic honeycomb belonged to a typical spinel structure with a large specific surface area of 77 m(2).g(-1), pore volume of 0.001 7 cm(3).g(-1) and pore size of 3.9 nm. The removal efficiencies of hydroquinone and COD during ozonation of O-3-CoAl2O4/ceramic honeycomb were 81.2% and 47.7%, respectively. The degradation efficiency of hydroquinone decreased significantly after the addition of tert-butanol, and the ozonation of CoAl2O4/ceramic honeycomb catalyst should follow a hydroxyl radical mechanism.

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