After the 1990s, the use of cathode reduction products to degrade organic pollutants began to attract attention, and the cathode reduction of oxygen to produce H2O2 became the focus of research. The C/PTFE oxygenated cathode was used to generate H2O2. Under the acidic condition without diaphragm, ferrous ions were added to the electrolysis reaction system, or metal catalysts such as iron ions generated by iron anodic oxidation were used to form an "electro-Fenton" reaction, thereby A good removal effect of various chlorophenol pollutants was obtained.
As a relatively mature water treatment technology, electrolysis has been widely used in the treatment of printing and dyeing and tanning wastewater, papermaking black liquor and other wastewater. The use of ultrasonic waves to degrade pollutants in water, especially the refractory organics, has become a new trend in recent years. A new type of water treatment technology developed.
The new technology of electrolysis water treatment has attracted much attention due to its advantages of no need to add chemicals, small size of equipment, small footprint, and no secondary pollution.
Electrode material is the key to determining the degradation efficiency of electrochemical treatment of wastewater. A good anode should have high catalytic degradation activity of organic compounds, good electrode stability and corrosion resistance, and at the same time, the cost is as low as possible, and it has high oxygen evolution. Overpotential electrodes, titanium anodes are generally considered to be one of the most promising electrodes for environmental management applications.
DECHO METAL oxide-coated titanium anodes produced by DECHO METAL have a high oxygen evolution overpotential, and the anode potential is higher than the decomposition potential of organic matter. Suitable for sewage treatment. There are various forms of anodes, such as plate, tube, mesh, etc. You can choose from them, and the quality is reliable. Titanium substrates can be reused.
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