Ru-Ir Coated Titanium Electrodes for Seawater Electro Chlorination

Ru-Ir Coated Titanium Electrodes for Seawater Electro Chlorination Plant
Electro Chlorination had adopted carbon and platinum as electrode material, but they are proven inefficient, cumbersome and costly. DSA titanium electrode is a simple, reliable and cost efficient solution according to experiment.  
Below is a test report of over potential and corrosion data for anode materials used in the electrolysis of sodium chloride.
Parameters of Ru-Ir Coated Titanium Electrodes for Seawater Electro Chlorination:
Substrate Material:  Pure Titanium plate in Gr1;
Coating: ruthenium, iridium oxide coated (RuO + IrO);   
Coating thickness: Nano-scale, 25 times coated, thickness of 20um;
Shape: Plate or customize;
Operating life: 7 Years;  
Warranty: 5 years.   
Anode Material Chlorine Over potential
Weight Loss from Anode
(kilograms/ton Chlorine)
Graphite ≈ 400 2 - 3
Platinum ≈ 200 0.4 – 0.8
RuO 2 – TiO 2 ≈ 50 < 0.03

UTron has developed series of Nano-scale multi-layer 6 elements mixed metal oxides coating, they includes Ruthenium, Iridium, Platinum, Titanium, Tantalum; Palladium. This coating improves the efficiency and performance over conventional ruthenium oxide coating by maximize electro catalytic activity and interactions of coating surface area. The electrode substrate material is Gr1 titanium, which provides excellent stability and corrosion prevention performance.

Multiple titanium anode /cathode plates;
Bi-polar & mono-polar plate designs;
Anode plates are coated to produce Cl 2 instead of O 2;
Electrode replacement every 5 – 10 years depending on use and Salt & Water Quality.

Power station seawater electrolysis;
Power plant biofouling control.


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