Nickel Ion-doped Tungsten Trioxide Catalyst, and Preparation Method and Application

The invention discloses a nickel ion-doped tungsten trioxide catalyst, and a preparation method and application thereof, and belongs to the field of preparation of the catalyst.

The preparation method of the catalyst comprises the following steps of A) adding tungsten powder to H2O2, wherein the molar ratio of the tungsten powder to the H2O2 is 1 to 4, lastingly heating and stirring the tungsten powder; B) adding nickel acetate to CH3OH to heat and stir; C) injecting solution obtained from the step B) into yellow sol substance obtained from the step A), heating, stirring and aging; D) putting the gel obtained from the step C) into an oven to dry, and then grinding into powder; E) putting the powder obtained from the step D) into a muffle furnace, heating and calcining to obtain the nickel ion-doped tungsten trioxide catalyst.

The catalyst produced by the invention is high in stability and good in activity, not only can generate hydroxyl radical by photo-catalytic oxidation; the pollutant removal rate in the wastewater is obviously improved; and meanwhile, deep degradation of an intermediate oxide product also can be strengthened.


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