Preparation method of microspherical bismuth vanadate photocatalysis material
A photocatalytic material, technology of bismuth vanadate, applied in the direction of catalyst activation/preparation, chemical instruments and methods, physical/chemical process catalysts, etc., can solve the problems of reducing the production efficiency of bismuth vanadate, high probability of photogenerated electrons and holes recombination , to achieve the effect of improving performance, high photocatalytic performance and reducing recombination probability
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[0019] see figure 1 , the present invention provides a kind of technical scheme: a kind of preparation method of microspherical bismuth vanadate photocatalytic material, the specific preparation steps of the preparation method of this microspherical bismuth vanadate photocatalytic material are as follows:
[0020] S1: Add raw materials: select BiNO 3 solution and NH 4 VO 3 solution as raw material, BiNO 3 solution and NH 4 VO 3 solutions with the same concentration, BiNO 3 solution and NH 4 VO 3 The solutions are all 1.0mol / L-1.2mol / L, the BiNO 3 Add NH to the solution 4 VO 3 solution, to NH 4 VO 3 Add NaNO to the solution 3 , NaNO 3 The volume of BiNO 3 The volume of the solution is the same;
[0021] S2: mixing raw materials: the BiNO in step S1 3 solution, NH 4 VO 3 solution and NaNO 3 The solution is mixed evenly by shaking;
[0022] S3: Raw material reaction: Add the homogeneously mixed raw materials in step S2 into the reactor, add sodium dodecylbenz...
Embodiment 1
[0026] S1: Add raw materials: select BiNO 3 solution and NH 4 VO 3 solution as raw material, BiNO 3 solution and NH 4 VO 3 solutions with the same concentration, BiNO 3 solution and NH 4 VO 3 The solutions are all 1.0mol / L, the BiNO 3 Add NH to the solution 4 VO 3 solution, to NH 4 VO 3 Add NaNO to the solution 3 , NaNO 3 The volume of BiNO 3 The same volume of solution, BiNO 3 solution and NH 4 NO 3 The volume ratio of the solution is 1:1;
[0027] S2: mixing raw materials: the BiNO in step S1 3 solution, NH 4 VO 3 solution and NaNO 3 The solution is mixed evenly by shaking;
[0028] S3: Raw material reaction: Add the homogeneously mixed raw materials in step S2 to the reactor, add sodium dodecylbenzenesulfonate to the reactor, adjust the pH value of the mixed solution in the reactor to be alkaline, and adjust the pH value to PH=10, seal the reactor, keep the reactor at high temperature and high pressure to react, the heating temperature in the reactor ...
Embodiment 2
[0032] S1: Add raw materials: select BiNO 3 solution and NH 4 VO 3 solution as raw material, BiNO 3 solution and NH 4 VO 3 solutions with the same concentration, BiNO 3 solution and NH 4 VO 3 The solutions are all 1.1mol / L, the BiNO 3 Add NH to the solution 4 VO 3 solution, to NH 4 VO 3 Add NaNO to the solution 3 , NaNO 3 The volume of BiNO 3 The same volume of solution, BiNO 3 solution and NH 4 NO 3 The volume ratio of the solution is 1:1;
[0033] S2: mixing raw materials: the BiNO in step S1 3 solution, NH 4 VO 3 solution and NaNO 3 The solution is mixed evenly by shaking;
[0034] S3: Raw material reaction: Add the homogeneously mixed raw materials in step S2 to the reactor, add sodium dodecylbenzenesulfonate to the reactor, adjust the pH value of the mixed solution in the reactor to be alkaline, and adjust the pH value to PH=10, seal the reactor, keep the reactor at high temperature and high pressure to react, the heating temperature in the reactor re...
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