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Mixed metal oxide (MMO) coated titanium anode, also known as DSA (dimensionally stable anode), also known as DSE anode, is a new type of insoluble anode material developed in the late 1960s. A special process coats a layer of noble metal oxide (MMO), which makes it have good electrocatalytic activity and electrical conductivity.

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MMO Coated Titanium Anode Classification:

Distinguish according to the gas evolved from the anode in the electrochemical reaction:

The precipitation is called chlorine-evolution anode, such as ruthenium-coated titanium electrode: the precipitation of oxidation is called oxygen-evolution anode, such as iridium-coated titanium electrode and platinum coating (or platinum plating).

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1. Chlorine evolution anode (ruthenium-coated titanium electrode): high chloride ion content in the electrolyte: generally in the environment of hydrochloric acid, electrolysis of seawater, and electrolysis of salt water.

2. Oxygen evolution anode (iridium-coated titanium electrode): The electrolyte is generally a sulfuric acid environment.

3. Platinum-plated anode (platinum-coated anode): titanium is the base material, and the surface is plated with precious metal platinum, and the thickness of the coating is generally 0.5-10um (microns).

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Fields of application of MMO-coated titanium anodes:

Chlor-alkali industry, electrolytic organic synthesis, electrolytic extraction of non-ferrous metals, production of electrolytic silver catalyst, copper foil production by electrolytic method, recovery of mercury by electrolytic oxidation method, seawater electrolysis, industrial wastewater treatment, treatment of cooling circulating water in power plants, acid production by electrolytic method Alkali ionized water, copper plate galvanizing, rhodium plating, palladium plating, gold plating, lead plating, desalination of seawater by electrodialysis, cathodic protection, production of negative electrode foil, anodizing of aluminum foil, etc. It is widely used in chemical industry, metallurgy, water treatment, environmental protection, electroplating, electrolytic organic synthesis and other fields.