MMO Titanium Anode For Impressed Current Cathodic Protection
Substrate
Ti ,Ta ,Nb ,Zr ,Ti/Cu, Nb/Cu etc.can be used as substrates. But Of all substrates Ti and its clad is generally used.
The titanium substrates are commercially pure titanium
Coating types
Type
Coating
Element
Application
1
IrO2-RuO2-TiO2-X
Suitable for use in sea water where Cl2 is the principal anode product.
2
IrO2-TaO5-X
Suitable for use in soil, backfill, fresh water and sea water where O2, Cl2 or a combination of both are discharged at the anode.
3
Pt/Ti,Nb,Ta
Suitable for use in sea water
Anode Current and Life
Electrolyte
Maxium Design Current Density
Anode Life
Carbonaceous backfill
50 A/m2
20 year
Calcined petroleum coke
100 A/m2
20 year
Fresh water
100 A/m2
20 year
Brackish water
100 -300 A/m2
20 year
Sea water
600 A/m2
20 year
Anode Shapes Due to the ductility of the titanium substrate,
a wide range of anode shapes suitable to the structure to
be protected are possible.
