MMO(Mixed Metal Oxide)
Anode

http://www.woojininc.com
MMO Anode_ Development
MMO Anode

Mixed Metal Oxide Anode is corrosion proof anode coat Ir and Ta on Titanium substrate.
D...
MMO Anode_ Specification
Specification
Ribbon

•
•
•
•
•

Width : 6.35 mm
Thickness : 0.635
Surface Area : 0.014m2/m
Coil ...
MMO Anode_Ribbon
Ribbon Anode is composed of a precious metal oxide catalyst sintered to a Titanium substrate.
The ribbon ...
MMO Anode_Ribbon

Construction
&
Schematic diagram

Power Feed
Conductor Bar

http://www.woojininc.com

Power Feed
MMO Rib...
MMO Anode_Mesh
Mesh Anode is composed of a precious metal oxide catalyst sintered to an expanded Titanium mesh substrate.
...
MMO Anode_Mesh

Construction
&
Schematic diagram

Conductor Bar

Power Feed

MMO Mesh Anode
Rebar

http://www.woojininc.co...
MMO Anode_Tubular
Tubular Anode is composed of a precious metal oxide catalyst sintered to a Titanium Tubular substrate. T...
MMO Anode_ Tubular

Construction
&
Schematic diagram

-

+
Rectifier
Soil

Steel Pipe

MMO Tubular Anode

Canister

Coke B...
MMO Anode_ Manufacture process
1.Titanium material

2. Slitting

3. Slitting products

4. Sand Blast

5. Ultrasonic cleani...
MMO Anode_ Manufacture process
7. MMO Coating

8. Final Heat Treatment

9. Coated products

10. Inspection

11. Packing

1...
MMO Anode_ Inspection
1.

SEM

2. EDS

(Scanning Electron Microscope)

(Energy Dispersive X-ray
Spectroscopy)

3. Expected...
MMO Anode_ Life test device
MMO Anode Life test standard: NACE TM 0294 & 108
Power Supply

Test Cell

Data Logger

Life te...
MMO Anode_ References
No.

Type

Project

Country

Year

1

MMO Ribbon Anode

SKC TK-2381

Korea

2010.07.

2

MMO Ribbon ...
MMO Anode_ References
No.

Type

Project

Country

Year

10

MMO Ribbon Anode
Power Feed

HyunDai Oil Bank BTX Project

Ko...
MMO Anode_ References
No.

Type

Project

Country

Year

19

MMO Ribbon Anode
Conductor Bar
Power Feed

Rumaila Gas Turbin...
Certificate & Patents

http://www.woojininc.com
Certificate & Patents

http://www.woojininc.com
Certificate & Patents

http://www.woojininc.com
Certificate & Patents

http://www.woojininc.com
Certificate & Patents

http://www.woojininc.com
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H.S.C.I(High Silicon Cast Iron) Anode WOOJIN INC.

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H.S.C.I(High Silicon Cast Iron) Anode
http://www.woojininc.com

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H.S.C.I(High Silicon Cast Iron) Anode WOOJIN INC.

  1. 1. MMO(Mixed Metal Oxide) Anode http://www.woojininc.com
  2. 2. MMO Anode_ Development MMO Anode Mixed Metal Oxide Anode is corrosion proof anode coat Ir and Ta on Titanium substrate. Devided Ribbon, Mesh and Tubular by it’s form. Used to prevent corrosion for storage tank bottom, pipe and offshore structures Structure IrO2 + Ta2O5 Titanium Gr.1 H.S.C.I Anode vs. MMO Anode Cathodic protection material H.S.C.I Anode MMO Anode Form Rod Ribbon, Mesh, Tubular, Rod EC Weigh 12, 20, 50kg 2.7kg /152M (Ribbon Standard) attrition rate 0.8 kg/A·year 10-6 kg/A·year Application Embedment, Pile Pros & Cons http://www.woojininc.com Most universal material Strong fragility Heavy, Bad construct ability Tank bottom, reinforced concrete, Pile Tend to use MMO Anode Light weight High durability Variety Form, manufacture by purpose possible
  3. 3. MMO Anode_ Specification Specification Ribbon • • • • • Width : 6.35 mm Thickness : 0.635 Surface Area : 0.014m2/m Coil Length : 152m/roll Coil weight : 2.7kg Tubular • • • • • http://www.woojininc.com Diameter : 25.4 mm Length : 500 mm, 1000mm Surface Area : 0.079m2/m Mesh • • • • • Width : 12.7 mm Thickness : 1.3 mm Surface Area : 0.032m2/m Coil Length : 76m/roll Coil weight : 1.8kg Conductor Bar & Power Feed • • • • Width : 12.7 mm • Ti Rod welded to Ti strip Thickness : 0.9 mm Coil Length : 100m/roll Coil weight : 5.1kg Thickness : 0.7mm Weight : 257g/m
  4. 4. MMO Anode_Ribbon Ribbon Anode is composed of a precious metal oxide catalyst sintered to a Titanium substrate. The ribbon anode is used as a key component in the Cathodic Protection of reinforced concrete structures and tank bottom. Environment & life Current Output of Ribbon in Find Sand : 12.8mA/ft(42mA per m) when operating at an anode current density of 3A/m2 Design Life : Over 50 years when operating at an anode current density of 3A/m2 Dimensions Units ¼” Ribbon ½” Ribbon Width mm 6.35 12.7 Thickness mm 0.635 0.635 m2/m 0.014 0.0266 Standard Coil Length m 152 152 Standard Coil Weight kg 2.7 5.5 Surface Area http://www.woojininc.com
  5. 5. MMO Anode_Ribbon Construction & Schematic diagram Power Feed Conductor Bar http://www.woojininc.com Power Feed MMO Ribbon Anode MMO Ribbon Anode Conductor Bar
  6. 6. MMO Anode_Mesh Mesh Anode is composed of a precious metal oxide catalyst sintered to an expanded Titanium mesh substrate. The anode ribbon mesh is used as a key component in the Cathodic Protection of reinforced concrete structures. Environment & life Current Output of mesh in reinforced concrete 1.05mA/ft(3.5mA/m) when operating at an anode current density of 110mA/m2 Design Life : Over 100 years design life when operating at a current density of 110mA/m2 Dimensions Units ½” Mesh ¾” Mesh Width mm 12.7 19 Thickness mm 1.3 1.3 m2/m 0.032 0.048 Standard Coil Length m 76 76 Standard Coil Weight kg 1.78 2.7 Surface Area http://www.woojininc.com
  7. 7. MMO Anode_Mesh Construction & Schematic diagram Conductor Bar Power Feed MMO Mesh Anode Rebar http://www.woojininc.com
  8. 8. MMO Anode_Tubular Tubular Anode is composed of a precious metal oxide catalyst sintered to a Titanium Tubular substrate. The Tubular anode is used as a key component in the Cathodic Protection of soil, freshwater, mud, or seawater environment. Environment & life Maximum Current Density (A/m2) Anode Life (yr.) Calcined Petroleum Coke 100 Over 20 Fresh Water 100 Over 20 100-300 Over 20 600 Over 20 Electrolyte Brackish Water Sea Water Dimensions Environment • Calcined Petroleum Coke • Fresh Water • Brackish Water • Sea Water http://www.woojininc.com Anode Size Diameter (mm) Length (mm) Current Output (Amps) Anode Life (yr.) 25 500 4 Over 20 25 1000 8 Over 20 25 500 25 Over 20 25 1000 50 Over 20
  9. 9. MMO Anode_ Tubular Construction & Schematic diagram - + Rectifier Soil Steel Pipe MMO Tubular Anode Canister Coke Breeze http://www.woojininc.com
  10. 10. MMO Anode_ Manufacture process 1.Titanium material 2. Slitting 3. Slitting products 4. Sand Blast 5. Ultrasonic cleaning 6. Pre-Heat treatment http://www.woojininc.com
  11. 11. MMO Anode_ Manufacture process 7. MMO Coating 8. Final Heat Treatment 9. Coated products 10. Inspection 11. Packing 12. Shipment http://www.woojininc.com
  12. 12. MMO Anode_ Inspection 1. SEM 2. EDS (Scanning Electron Microscope) (Energy Dispersive X-ray Spectroscopy) 3. Expected life test 4. Uniformity 5. Adhesion test 6. Dimension Check http://www.woojininc.com
  13. 13. MMO Anode_ Life test device MMO Anode Life test standard: NACE TM 0294 & 108 Power Supply Test Cell Data Logger Life test device Failure Anode failure is marked by a rapid escalation in both cell voltage and anode potential. The time of failure shall be recorded when the anode potential increases by 4.0V above its initial value. http://www.woojininc.com
  14. 14. MMO Anode_ References No. Type Project Country Year 1 MMO Ribbon Anode SKC TK-2381 Korea 2010.07. 2 MMO Ribbon Anode Power Feed HPC BRU TL OSBL Korea 2010.10. 3 MMO Ribbon Anode Power Feed Yeosu Energy Complex Korea 2010.10. 4 Conductor Bar Unknown Korea 2011.02. 5 MMO Ribbon Anode Conductor Bar Power Feed Barka 3 IPP Project Oman 2011.04. 6 MMO Ribbon Anode Conductor Bar Power Feed Sohar 2 IPP Project Oman 2011.04. 7 MMO Ribbon Anode Conductor Bar Power Feed Sabah Oil & Gas Terminal Malaysia 2011.06. 8 Conductor Bar Power Feed Unknown Korea 2011.07. 9 MMO Ribbon Anode Conductor Bar Shuweihat S3 IPP Project UAE 2011.09. http://www.woojininc.com
  15. 15. MMO Anode_ References No. Type Project Country Year 10 MMO Ribbon Anode Power Feed HyunDai Oil Bank BTX Project Korea 2011.09. 11 MMO Ribbon Anode Conductor Bar Power Feed Unknown Korea 2011.09. 12 MMO Ribbon Anode Conductor Bar Power Feed Unknown Saudi 2011.10. 13 MMO Ribbon Anode Conductor Bar Power Feed Unknown Korea 2011.10. 14 MMO Ribbon Anode Conductor Bar Power Feed Unknown Saudi 2011.11. 15 MMO Ribbon Anode Power Feed Unknown Korea 2012.02. 16 MMO Ribbon Anode Conductor Bar Power Feed Yeosu Energy Complex Korea 2012.04. 17 MMO Tubular Anode SKC Pipeline Korea 2012.05. 18 Power Feed Unknown Korea 2012.06. http://www.woojininc.com
  16. 16. MMO Anode_ References No. Type Project Country Year 19 MMO Ribbon Anode Conductor Bar Power Feed Rumaila Gas Turbine Power Plant Project Iraq 2012.05. 20 MMO Ribbon Anode Conductor Bar Power Feed Taza Gas Turbine Power Plant Project Iraq 2012.05. 21 MMO Tubular Anode Yeosu Energy Complex Pipeline Korea 2012.07. 22 MMO Tubular Anode SKC Pipeline Korea 2012.07. 23 MMO Ribbon Anode Conductor Bar Power Feed WEST QURNA Iraq 2012.08. 24 MMO Tubular Anode Ashuganj Compressor Station Bangladesh 2012.11 25 Tubular Anode Unknown Bangladesh 2013.01. 26 Tubular Anode West Qurna Iraq 2013.04. 27 MMO Ribbon Anode Conductor Bar Power Feed KOGAS Sam-chuck Field Korea 2013.05. 28 Tubular Anode West Qurna Iraq 2013.06. 29 MMO Ribbon Anode GS Caltex storage tank in yeosu Korea 2013.08. http://www.woojininc.com
  17. 17. Certificate & Patents http://www.woojininc.com
  18. 18. Certificate & Patents http://www.woojininc.com
  19. 19. Certificate & Patents http://www.woojininc.com
  20. 20. Certificate & Patents http://www.woojininc.com
  21. 21. Certificate & Patents http://www.woojininc.com

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