Device and method for electrochemically degrading gaseous pollutants
An electrochemical and pollutant technology, applied in chemical instruments and methods, separation methods, gas treatment, etc., can solve the problems of low degradation efficiency of gaseous pollutants, unsuitable for electrochemical degradation of water solubility, etc.
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Embodiment 1
[0050] (1) Preparation of the first electrode: ultrasonically disperse 1 g of carbon black in 100 ml of ethanol solvent, add 0.05 g of tin dichloroacetylacetonate, continue ultrasonically dispersing for 2 hours, then stir the dispersion at room temperature for 20 hours, then The carbon black was separated by centrifugation and dried at 50°C. Then, the material was calcined at 450° C. for 1 hour in an air atmosphere to obtain a catalyst with carbon black as a carrier and loaded with tin oxide nanoparticles, that is, a supported tin oxide catalyst. Ultrasonic dispersion of 10 mg of the above-prepared supported tin oxide catalyst into 5 mL of a mixed solution of perfluorosulfonic acid-polytetrafluoroethylene copolymer and isopropanol, and then spraying the dispersion on the surface of a 16 cm2 carbon cloth electrode, can Prepare the first electrode.
[0051] (2) Preparation of the second electrode: The second electrode was prepared according to the above-mentioned method for pre...
Embodiment 2
[0056] (1) Preparation of the first electrode: ultrasonically disperse 1 g of carbon nanotubes in an isopropanol solution containing 10 mmol / L bis(acetylacetonate) diisopropyl titanate, take it out after 2 hours, and put the dispersion in Drying under vacuum at 50°C, and then putting it into a tube furnace and treating it at a high temperature of 400°C under the condition of Ar gas, a catalyst with carbon black as a carrier and loaded with titanium oxide nanoparticles can be obtained, which is a supported titanium oxide catalyst. Ultrasonic dispersion of 10 mg of the above-prepared supported titanium oxide catalyst into 5 mL of a mixed solution of perfluorosulfonic acid-polytetrafluoroethylene copolymer and isopropanol, and then spraying the dispersion on the surface of a 16 square centimeter carbon cloth electrode, can Prepare the first electrode.
[0057] (2) Preparation of the second electrode: The second electrode was prepared according to the above-mentioned method for pr...
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