Anode plate for treating refractory organic wastewater through electrocatalytic oxidation and preparation process
A technology for electrocatalytic oxidation and organic wastewater, which is applied in the directions of oxidized water/sewage treatment, water/sewage treatment, water/sludge/sewage treatment, etc. It can solve the problem of lack of electrode preparation methods, and achieve long life and strong adaptability. , the effect of high activity
Inactive Publication Date: 2014-01-29
BEIJING NORMAL UNIVERSITY
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AI Technical Summary
Problems solved by technology
The surface microstructure and state of the electrocatalytic electrode are important factors affecting the electrocatalytic performance, and the preparation method of the electrode directly affects the surface structure of the electrode, so choosing a suitable electrode preparation method is a key link to improve the electrocatalytic activity of the electrode , there is still a lack of research on electrode preparation methods
Method used
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Experimental program
Comparison scheme
Effect test
Embodiment 1
[0038]Polish a titanium sheet with a length of 60 mm, a width of 40 mm, and a thickness of 2 mm with 240-grade alumina water-resistant sandpaper until the surface appears metallic luster, then put it into a petri dish, pour 50 mL of acetone, and use it in a 40 kHz ultrasonic cleaner. Wash and degrease with detergent solution for 30 minutes, then take it out and rinse it with 500mL tap water, then rinse it with 100mL deionized water, and then place it in a 40kHz ultrasonic cleaner and clean it with deionized water for 15min; then place the cleaned titanium sheet in a 100mL mass Etch in 10% oxalic acid solution for 2 hours, take it out and rinse it with 500mL tap water, then rinse it with 100mL deionized water, then place it in a 40kHz ultrasonic instrument and wash it with deionized water for 15min, dry it and store it in absolute ethanol spare;
[0039] The titanium sheet stored in absolute ethanol was taken out, and the surface was pretreated for 10 minutes by glow discharge,...
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Abstract
The invention discloses a preparation process of an anode plate for treating refractory organic wastewater through electrocatalytic oxidation. The preparation process comprises the following steps of etching a washed titanium sheet in an oxalic acid solution for two hours, and then carrying out platinum plating treatment, thus obtaining a matter A; using reagents SnCl2, Ni(NO3)2, Pb(NO3)2, n-butyl alcohol, isopropanol, isobutanol, absolute ethyl alcohol and nitric acid to prepare solutions F1-1, F1-2, F1-3, F2-1, F2-2, F2-3, F3-1, F3-2, F3-3, F4-1, F4-2, F4-3, H1-1, H1-2, H2-1, H2-2, D1, D2, D3 and D4, uniformly impregnating the matter A in the solutions in sequence, taking out and airing the matter A, drying the matter A at low temperature, roasting the matter A at 600 DEG C, and carrying out other treatment procedures on the matter A, thus obtaining the anode plate for treating refractory organic wastewater through electrocatalytic oxidation. The preparation process has the beneficial effects that the prepared anode plate has the characteristics of high activity, strong adaptability, long life and the like.
Description
technical field [0001] The invention belongs to the technical field of chemically modified electrodes for electrocatalytic oxidation treatment of wastewater, in particular to an anode plate and a preparation process for electrocatalytic oxidation treatment of refractory organic wastewater. Background technique [0002] Electrocatalytic oxidation technology degrades organic pollutants in wastewater by generating strong oxidizing active groups such as hydroxyl radicals. It has the characteristics of no secondary pollution, low cost, strong applicability, and high efficiency. It has application potential in degrading wastewater. The electrochemical reaction is generally carried out near the surface of the electrode, so the surface performance of the electrode is very important. Selecting a suitable electrode material and modifying it to improve the surface catalytic performance of the electrode has become a new research topic for electrochemical workers. topic. In the past 30...
Claims
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IPC IPC(8): C02F1/461C02F1/72
Inventor 豆俊峰王鸿婷丁爱中许新宜
Owner BEIJING NORMAL UNIVERSITY