煅烧
1,2-二氯乙烷
催化作用
降水
材料科学
化学工程
多孔性
沉积(地质)
选择性
氧气
同种类的
产量(工程)
无机化学
化学
冶金
有机化学
复合材料
沉积物
热力学
气象学
古生物学
工程类
物理
生物
作者
Wei Deng,Ziye Jia,Biao Gao,Simin Zhu,Dongqi Liu,Limin Guo
标识
DOI:10.1016/j.apcata.2021.118300
摘要
Porous Co3O4 with high yield was synthesized through calcination from plate-like Co(OH)(OCH3). Then, a series of Co3O4 supported RuOx catalysts were prepared using three different loading methods, including homogeneous precipitation (HP), precipitation-deposition (DP), and wet impregnation (IM). Their physicochemical properties were investigated by various characterization techniques, and their performance for catalytic oxidation of 1, 2-dichloroethane (1, 2-DCE) was also evaluated. RuOx/Co3O4-HP possessed the most outstanding low-temperature reducibility, more oxygen vacancies, and surface active oxygen, correspondingly exhibited a better catalytic activity and lower selectivity of polychlorinated by-products. Moreover, RuOx/Co3O4-HP also presented an excellent performance for other types of hydrocarbons abatement. The stability test showed that the RuOx/Co3O4-HP showed highly stable activity for 1, 2-DCE oxidation, and the beneficial effect of water was further confirmed.
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