Electrolytic oxidation or electrochemistry, in the process of treating water, including industrial water and factory wastewater, the electrode not only plays a role in transmitting current, but also catalyzes the oxidative degradation of organic matter. In this process, it does not cause pollution. It is called green water treatment.
With the development of industry, the discharge of organic wastewater is increasing, especially the high-concentration wastewater discharged from the chemical, food, pesticide and pharmaceutical industries has high chroma and toxicity, contains a large amount of biodegradable components, and seriously pollutes rivers and lakes. sea. The new technology of water treatment by electrolysis has the advantages of no need to add chemical agents, small equipment size, small footprint, and no secondary pollution. It has been used to treat waste water containing hydrocarbons, alcohols, aldehydes, ethers, phenols and other organic pollution. The removal of COD mainly depends on the oxidation reaction on the anode surface, which directly oxidizes and degrades the organic matter on the anode surface, so that the organic matter in the sewage is converted directly or indirectly into CO2 and water through electrochemical conversion. The anode potential must be higher than the decomposition potential of organic matter, so two competing reactions of organic matter oxidation and oxygen evolution occur on the anode.
The precious metal oxide coated titanium anode produced by Baoji Highstar has a high overpotential for oxygen evolution, and the anode potential is higher than the decomposition potential of organics. Suitable for sewage treatment. The shape of the anode is available in various forms such as plate type, tube type, net type, etc., and the quality is reliable. The titanium matrix can be reused.
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