A heterogeneous photocatalyst and tubular membrane electrode coupling device and organic matter degradation method
A photocatalyst-electrode coupling technology, applied in the field of environmental engineering, can solve problems such as difficult to achieve sustainable degradation of wastewater pollutants, achieve sustainable degradation, improve degradation capacity, and increase degradation rate.
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Embodiment 1
[0040] This embodiment provides a heterogeneous photocatalyst and tubular membrane electrode coupling device for degrading organic matter in wastewater, such as figure 1 as shown, figure 1 The direction of the arrow in the figure is the direction of water flow, and the molecular size of the organic matter I200 is larger than that of the organic matter II300; the coupling device sequentially includes a heterogeneous photocatalyst, a tubular membrane cathode 500 and a tubular membrane anode 600 along the wastewater flow direction; it also includes a peristaltic pump , the tubular membrane cathode 500 and the tubular membrane anode 600 are vertically arranged and sealed at both ends, the top of the tubular membrane anode 600 is provided with a water outlet, and the water inlet end of the peristaltic pump is connected to the water outlet, which The water outlet is connected to the side of the heterogeneous photocatalyst away from the tubular membrane electrode, so that the entire ...
Embodiment 2
[0057] This embodiment provides a heterogeneous photocatalyst and tubular membrane electrode coupling device and an organic matter degradation method. The implementation mode of this embodiment is basically the same as that of Embodiment 1, and the main differences are:
[0058] Ⅰ) Ti 4 o 7 Preparation of tubular membrane electrodes;
[0059] Among them, the gas phase reduction method prepares Ti 4 o 7 The powder is obtained by natural cooling after reduction at 1050°C for 2.5 hours.
[0060] Ⅲ) Degradation experiment of heterogeneous photocatalyst-tubular membrane electrode coupling system
[0061] Among them, 300 mg of heterogeneous photocatalyst was put into each catalyst fixing plate 400 .
[0062] Take a clean beaker, prepare 2L of 200mg / L hydroquinone solution, add sodium sulfate as the electrolyte, control the electrolyte concentration in this embodiment to 10g / L, use a magnetic stirrer to stir evenly, and adjust the pH to 8. After mixing, pour the prepared soluti...
Embodiment 3
[0064] This embodiment provides a heterogeneous photocatalyst and tubular membrane electrode coupling device and an organic matter degradation method. The implementation mode of this embodiment is basically the same as that of Embodiment 1, and the main differences are:
[0065] Ⅰ) Ti 4 o 7 Preparation of tubular membrane electrodes;
[0066] Among them, the gas phase reduction method prepares Ti 4 o 7 The powder was obtained by natural cooling after reduction at 1200°C for 2 hours.
[0067] Ⅲ) Degradation experiment of heterogeneous photocatalyst-tubular membrane electrode coupling system
[0068] Herein, 400 mg of heterogeneous photocatalyst was put into each catalyst fixing plate 400 .
[0069] Take a clean beaker, prepare 2L of 200mg / L hydroquinone solution, add sodium sulfate as the electrolyte, control the electrolyte concentration in this embodiment to 15g / L, use a magnetic stirrer to stir evenly, and adjust the pH to 5. After mixing, pour the prepared solution in...
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Abstract
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