The noble metal oxide anode is composed of a titanium substrate (ASTMB 265 grade 1 titanium) covered with a layer of electrocatalytically active metal oxides (oxides of metals such as ruthenium, iridium, titanium, etc.).
Main Properties of MMO titanium anode strip
Has high chemical stability, even in low pH and chloride ion-containing environments; dimensionally stable; low and uniform coating loss rate: 1-6 mg/A. a; can be used in high Works under current density; has excellent electrical conductivity.
Scope of application of MMO titanium anode strip
Seawater, the anode product is mainly Cl2; soil, fresh water, brackish water, seawater, the anode product is mainly O2 or Cl2 or both.
Detailed introduction of MMO titanium anode strip
The noble metal oxide anode is composed of a titanium substrate (ASTMB 265 grade 1 titanium) covered with a layer of electrocatalytically active metal oxides (oxides of metals such as ruthenium, iridium, titanium, etc.), and the oxide coating has small polarization and consumption. The rate is extremely low. By adjusting the composition of the oxide layer, it can be adapted to different environments, such as seawater, fresh water, and soil media. Since the noble metal oxide anode has advantages that other anodes do not have, it has become the most ideal. and the most promising auxiliary anode materials.
The strip-shaped precious metal oxide anode has been widely used at home and abroad as the auxiliary anode of the mesh cathodic protection system. The cathodic protection of the bottom plate of the new storage tank > cathodic protection, the MMO titanium anode coating produced by our company is lost in various environments of cathodic protection. The rate is very low, about 2mg/Aa, and the lifespan can reach more than 30 years. Has high chemical stability, even in low pH and chloride ion-containing environments; dimensionally stable; low and uniform coating loss rate: 1-6 mg/A. a; can be used in high It can work under the current density; it has the characteristics of excellent electrical conductivity and so on.
Product parameters of MMO titanium anode strip
Width 6.35mm Thickness 0.635mm Length: 76.2m/roll or 152.4m/roll
MMO titanium anode strip usage
The strip anode and the backfill are interdependent, because the direct use of the strip anode will cause the anode itself to corrode and reduce the service life, while the backfill can promote the anode to improve the current output efficiency and increase the service life of the anode. In order to reduce the grounding resistance of sacrificial anodes, strip-shaped magnesium anodes or zinc anodes are sometimes used, and the strip-shaped anodes are laid along the structure of the protected equipment, which will make the current inside the metal more evenly distributed. When the strip anode is laid along the pipeline, it should be connected to the pipeline at regular intervals and the distance should not be too large, because with the delay of time, the anode will be continuously consumed, and the resistance of the anode strip will gradually increase. The anode spacing is preferably not greater than 305 meters. If the strip anode is buried directly in the soil, the anode itself may corrode, reducing the service life. Use of backfill: The gypsum powder in the backfill can absorb a lot of water, and sodium sulfate can make the anode surface corrode evenly, thereby improving the utilization rate of the anode.