MnOx-FeOx-CuSO4/TiO2 medium-low temperature SCR catalyst and preparation method thereof
An SCR catalyst, mnox-feox-cuso4 technology, applied in the field of denitration catalyst, can solve the problems of pollution, toxicity, restrict the development of nitrogen oxide emission reduction work, etc., to achieve the effect of increasing the specific surface area and facilitating the adsorption capacity
Inactive Publication Date: 2018-04-20
SHENZHEN JINGTE INTELLIGENT MFG TECH CO LTD
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Abstract
The invention discloses an MnOx-FeOx-CuSO4/TiO2 medium-low temperature SCR catalyst and a preparation method thereof. The preparation method comprises the following steps of: (1) mixing hexadecyl trimethyl ammonium bromide, tetrabutyl titanate and anhydrous ethanol, and adjusting the pH value of the mixed solution with glacial acetic acid to prepare a Ti precursor sol; (2) adding the prepared Ti precursor sol into CuSO4.5H2O, continuing to adjust the pH value of the obtained solution with glacial acetic acid, and performing stirring under the protection of nitrogen to obtain a main active substance load; and (3) adding Mn(Ac)2.4H2O, Fe(NO3)3.9H2O and deionized water into the main active substance load sequentially, continuing to stir the obtained mixed liquid, then aging the mixed liquid in a water bath, and performing drying and calcining to obtain the finished catalyst product. The SCR catalyst prepared by using the preparation method has high activity of denitration at medium-low temperatures of 200-350 DEG C, can adapt to requirements of practical industrial application, and has a very broad prospect of industrial application.
Application Domain
Gas treatmentPhysical/chemical process catalysts +1
Technology Topic
Nitrogen gasNitrogen +9
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