Photocatalytic oxidation method for degrading rhodamine B based on HKUST-1
A HKUST-1, photocatalytic oxidation technology, applied in chemical instruments and methods, oxidized water/sewage treatment, illuminated water/sewage treatment, etc., can solve problems such as limiting engineering practical application, complex modification steps, and limiting practical application , to achieve the effect of unaffected degradation effect, high degradation efficiency and simple steps
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Embodiment 1
[0027] A photocatalytic oxidation method for degrading rhodamine B based on HKUST-1, such as figure 1 shown, including the following steps:
[0028] S1. Weigh a certain amount of HKUST-1 and PMS and add it to the rhodamine B solution;
[0029] This step is specifically as follows: the concentration of rhodamine B solution is prepared to be 10ppm, HKUST-1 and potassium persulfate are added to the above 100ml rhodamine B solution, and the quality of potassium persulfate added is 0.02g. Different experiments in this embodiment add The mass ratio of HKUST-1 and potassium persulfate is shown in Table 1 below, and the pH of the solution is 5±0.2.
[0030] The HKUST-1 that table 1 adds and the mass ratio of potassium persulfate
[0031]
HKUST-1: potassium persulfate
1
0.5:1
2
1:1
3
2:1
4
4:1
5
5:1
[0032] S2. Turn on the visible light source to catalyze and oxidize Rhodamine B with light.
[0033] This step is specif...
Embodiment 2
[0036] A photocatalytic oxidation method for degrading rhodamine B based on HKUST-1, such as figure 1 shown, including the following steps:
[0037] S1. Weigh a certain amount of HKUST-1 and PMS and add it to the rhodamine B solution;
[0038] This step is specifically as follows: the concentration of rhodamine B solution is prepared to be 10ppm, and 0.04g HKUST-1 and 0.02g potassium persulfate are added to the above 100ml rhodamine B solution. The pHs of different solutions in this embodiment are shown in Table 2 below.
[0039] The pH of different solutions in the present embodiment of table 2
[0040]
Solution pH
1
1
2
3
3
5
4
7
5
9
6
11
[0041] S2. Turn on the visible light source to catalyze the degradation of Rhodamine B by light.
[0042] This step is specifically: turn on the tungsten halogen lamp (QVF135 / 500W), the light source is visible light (400-800nm), and illuminate the above solution fo...
Embodiment 3
[0045] A photocatalytic oxidation method for degrading rhodamine B based on HKUST-1, such as figure 1 shown, including the following steps:
[0046] S1. Weigh a certain amount of HKUST-1 and PMS and add it to the rhodamine B solution;
[0047] The step is as follows: prepare the rhodamine B solution with a concentration of 10 ppm, add 0.1 g HKUST-1 and 0.02 g potassium peroxymonosulfate to the above 100 ml rhodamine B solution, and the pH of the solution is 5±0.2.
[0048] S2. Turn on the visible light source to catalyze the degradation of Rhodamine B by light.
[0049] This step is specifically: turn on the tungsten halogen lamp (QVF135 / 500W), the light source is visible light (400-800nm), and illuminate the above solution for 120min to catalyze and oxidize the Rhodamine B in the solution.
[0050] After the Rhodamine B in the above-mentioned first photocatalytic oxidation degradation solution, filter the solution, collect the HKUST-1 material added to the solution; add 100ml...
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