Transition metal doped epsilon-MnO2 catalyst as well as preparation method and application thereof
The invention belongs to the technical field of catalytic oxidation of air pollutants, and relates to a transition metal doped epsilon-MnO2 catalyst as well as a preparation method and application thereof. The preparation method comprises the following steps: firstly, preparing an epsilon-MnO2 catal...
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| creator | ZHANG FENGQI LI DAGANG LI JINYING ZHANG DONGXIANG ZHANG ZILEI TAN HAOCUN HOU JINZHENG ZHANG XU YANG LE XU XIYAN TAN RUNCHAO |
| description | The invention belongs to the technical field of catalytic oxidation of air pollutants, and relates to a transition metal doped epsilon-MnO2 catalyst as well as a preparation method and application thereof. The preparation method comprises the following steps: firstly, preparing an epsilon-MnO2 catalyst carrier by adopting an enhanced citric acid hydrothermal method in combination with a microwave-assisted ultrasonic technology; and then preparing the transition metal (copper, cobalt, iron and nickel) doped epsilon-MnO2 catalyst through a precipitation-deposition method. Compared with a traditional synthesis method, the method for preparing the epsilon-MnO2 is harsh in requirement, the method for preparing the epsilon-MnO2 is simple, raw materials are easy to obtain, repeatability is good, the output ratio is high, and cost is saved; the transition metal elements are doped through deposition-precipitation, so that a large number of oxygen vacancies can be prepared, and meanwhile, higher mobility is achieved, a |
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| subjects | CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY COMPOUNDS THEREOF INORGANIC CHEMISTRY METALLURGY NON-METALLIC ELEMENTS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION THEIR RELEVANT APPARATUS TRANSPORTING |
| title | Transition metal doped epsilon-MnO2 catalyst as well as preparation method and application thereof |
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