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MMO Anode

Description:

Mixed metal oxide anodes (MMO anodes) are anodes made by titanium coated with mixed metal oxide. It is a crystalline electrically-conductive coating that activates the titanium and enables it to function as an anode. MMO anodes have an extremely low consumption rate. They are widely used in soil, sea, mud, sewage and fresh water environments, etc. CORROCO International Industrial Co., Ltd provides high-performance mixed metal oxides (MMO anodes) for clients, which can be applied to electrosynthesis, chlorate and perchlorate production, electro-chlorination, electroplating, cathodic protection, sewage treatment of substrate, and so on.

Advantages of Mixed Metal Oxide Anode (MMO Anode):

1. This impressed current anode is of light weight.
2. MMO coatings have high chemical stability even in environments with very low PH values.
3. The coating of mixed metal oxide anodes is not affected by chlorine.
4. The wear rate of the MMO anode is extremely low and uniform. It is between 1 and 6 milligrams/ampere per year.
5. The anode dimensions remain nearly constant.
6. The mixed metal oxide can be operated at high current density, such as 2000A/m2.
7. It has superior electrically-conductive performance (10-7Ω·m).

Compositions of MMO Anode:

We provide two coating systems for different environments: Ir-Ta system, Ir-Ru system.

Type

Coating Composition

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

Specifications of Mixed Metal Oxide Anode:


Electrolyte

Maximum Design Current Density

Anode Life

Carbonaceous Backfill 50 A/m2 20 years
Calcined Petroleum Coke 100 A/m2 20 years
Fresh Water 100 A/m2 20 years
Brackish Water 100~300 A/m2 20 years
Sea Water 600 A/m2 20 years

Anode for Cathodic Protection

Ti Anode

Ti Standard

Type/Spec

Output Current

Life(Year)

Fiber(Silk) Ф1.5 328 mA/m 20
Ф3.0 656 mA/m 20
Ribbon ASTM265 6.35×0.635 17 mA/m 50
12.7×0.635 34 mA/m 50
Rod Ф3.2 1.7 A/m 20
Ф6.4 3.5 A/m 20
Ф12.7 6.9 A/m 20
Ф19 10.6 A/m 20
Ф25 13.9 A/m 20
Netting ASTM265 32×1220×1 5A 20
20×1000×1 2A 20
Tube ASTM B338 Ф19×1200×1 7A 20
Ф25×5000×1 4A 20
Ф25×1000×1 8A 20
Ф31×1200×2 12A 20
Corroco International Industrial Co., Ltd is a professional manufacturer and supplier of mixed metal oxide anode (MMO anode) in China. In addition to this impressed current anode, we are also engaged in producing silicon iron anode, graphite anode, flexible anode, etc. Based on 12 years' production experience, our products have been exported to the United States, Canada, Britain, Germany, Iran, Pakistan, India, Kuwait, Dubai, Saudi Arabia, the Philippines, Malaysia, Singapore, Congo, Turkey, etc.
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