5results about How to "High oxygen evolution potential" patented technology

The application discloses a system and method for solar oxidation degradation of organic wastewater and hydrogen production, and the whole system comprises a membrane separation subsystem, a solar heat collection subsystem and a multi-electrode reverse electrodialysis subsystem. The system takes solar energy as a driving force, takes high-salt organic wastewater as a working solution, realizes hydrogen production and organic matter degradation by means of a concentration difference of the working solution, separates the high-salt organic wastewater into high-salt wastewater and organic wastewater, and realizes effective utilization and efficient degradation of the high-salt organic wastewater by combining solar energy and reverse electrodialysis. That is, the system can completely mineralize the organic matter in the wastewater and produce high-purity hydrogen, and realizes efficient and high-quality utilization of solar energy.

The present invention relates to an ion membrane electrolyzer, which comprises a tank frame, on which a plurality of electrolysis unit tank groups (8) are arranged, characterized in that the two ends of the plurality of electrolysis unit tank groups (8) are respectively locked by copper bar end plates, the copper bar end plates are copper bar end plates fixed on a fixed seat or movable copper bar end plates fixed on a top rod seat, and different numbers of electrolysis unit tank groups (8) and copper bar end plates for locking the plurality of electrolysis unit tank groups (8) are selected according to the demand for production capacity, and the copper bar end plates are connected to a power supply. The ion membrane electrolyzer of the present invention has the advantages of good operating stability, free assembly and deployment according to production capacity requirements, low power loss, high production efficiency and high production capacity.

The invention relates to a copper / zinc / antimony co-doped titanium-based tin dioxide anode material and a preparation method and application thereof. The specific preparation method comprises the following steps: step (1): grinding a titanium plate surface step by step with sandpaper, rinsing the surface with deionized water, immersing the surface in acetone for ultrasonic degreasing, and etching the degreased titanium plate in a hydrochloric acid solution; step (2): adding SnCl2·2H2O, Sb2O3, Cu(NO3)2·3H2O and Zn(NO3)2·6H2O to isopropanol, dripping hydrochloric acid for dissolution, stirring evenly, and obtaining a coating solution; step (3): coating the coating solution prepared in step (2) evenly on the surface of the titanium plate treated in step (1), drying in an oven, calcining in a muffle furnace, and cooling; and repeating the steps for multiple times; and step (4): annealing the titanium plate treated in step (3) in an annealing furnace, and then cooling the titanium plate to room temperature along with the annealing furnace. The copper / zinc / antimony co-doped titanium-based tin dioxide anode material prepared by the present invention has the advantages of high oxygen evolution potential, multiple active sites, high electrocatalytic activity and low cost.

The invention relates to an active anode for an ionic membrane electrolytic bath and a manufacturing method thereof, and belongs to the technical field of active anodes, the active anode for the ionic membrane electrolytic bath comprises a titanium-based net, the titanium-based net is provided with a coating, the coating is of a rutile structure composed of platinum, ruthenium, iridium and tin, the content of platinum is 2-40 mol%, the content of ruthenium is 5-45 mol%, the content of iridium is 5-45 mol%, and the content of tin is 5-20 mol%. The content of the iridium is 2 mol%-40 mol%, and the content of the tin is 10 mol%-65 mol%. The oxygen evolution potential is high, the catalytic capacity is high, the conductivity is high, and the oxygen evolution side reaction is not prone to occurring; the performance is stable, corrosion resistance is achieved, the service life is long, and the electrode can be continuously used after column recoating after failure; the electrode cost is effectively controlled; and the product quality is improved, the chlorine purity is high, and the oxygen content is low (below 0.8%).

The utility model discloses a rotating device for accelerating fluid in a BDD module, which comprises the BDD module, a water flow rotating component is arranged at the upper end of the BDD module, and the water flow rotating component is used for rotating water flow in the BDD module. According to the utility model, the servo motor is used for driving the impeller to accelerate the rotating flow speed of internal sewage, so that the sewage is fully contacted with a strong oxidant hydroxyl free radical to carry out electrochemical oxidation reaction, the treatment efficiency of toxic and harmful substances in the sewage is improved, an electrochemical window is widened, the oxygen evolution potential is improved, the recycling of a BDD module is reduced, and the power consumption cost of treatment is reduced; finally, the sewage treatment cost is reduced.