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Sacrificial Anode Cathodic Protection (SACP)

Captivating Your Gaze:
Problem Recognition: Imagine you have a metal structure, like a pipeline or a boat, and it’s facing a threat called “corrosion.” This means the metal is slowly wearing away because of its surroundings.

Learning About Solutions: You start learning about ways to protect your metal structure. One solution you come across is sacrificial anode cathodic protection. It’s like putting a shield on your metal to stop it from corroding.

Sacrificial Anode Selection​

A metal with a more negative electrode potential than the structure to be protected is chosen as the sacrificial anode. Common materials used include magnesium, zinc, and aluminum alloys.​

Electrical Connection​

The sacrificial anode is electrically connected to the structure. This creates a galvanic cell.​

Electron Flow​

In the presence of an electrolyte (e.g., seawater, soil), the anode corrodes preferentially, releasing electrons. These electrons flow through the electrolyte to the structure.​

Cathodic Protection​

The electrons entering the structure cause its potential to shift in a more negative direction. This cathodic polarization halts the corrosion process on the structure.​

Discover More: Exploring Compelling Features and Benefits

How the Shield Works:
You become interested in understanding how this shield, made of sacrificial anodes, can protect your metal. It’s like having a sacrificial hero taking the damage instead of your metal.

Seeing the Advantages:
You like the idea that sacrificial anodes can help your metal last longer. It’s like giving your structure a superpower against corrosion.

Simple and reliable​

Easier to install and maintain compared to impressed current CP systems.

No external power source​

Suitable for remote locations or where access to power is limited.

Cost-effective

For smaller structures or shorter pipelines, it can be a more economical option.

Environmentally friendly

No harmful chemicals are used.

Igniting Desire: Solutions Tailored to Your Needs

Understanding How It Works:
You become interested in understanding how this shield, made of sacrificial anodes, can protect your metal. It’s like having a sacrificial hero taking the damage instead of your metal.

Seeing the Benefits:
You like the idea that sacrificial anodes can help your metal last longer. It’s like giving your structure a superpower against corrosion.

Seize the Moment: Take Action Now!

Getting the Shield:
Once you decide sacrificial anodes are your superheroes, you hire engineers to design the protection system. It’s like getting a tailor to make a custom superhero suit for your metal.

Buying and Installing:
You go shopping for sacrificial anodes and equipment. Then, like putting on the superhero suit, you install them on your metal structure. 

Keeping an Eye:
You keep an eye on your metal to make sure the sacrificial anodes are doing their job. It’s like regularly checking in on your superhero to see if they need any help.

Marine Structures

Boats and Ships: Sacrificial anodes, often made of zinc or aluminum, are attached to the hulls of boats and ships to protect them from corrosion in saltwater.

Piers and Docks: Structures such as piers, docks, and offshore platforms use sacrificial anodes to prevent corrosion caused by exposure to seawater.

Underground Pipelines

Oil and Gas Pipelines: Underground pipelines made of steel are susceptible to corrosion, especially in moist soil. Sacrificial anodes can be installed along the pipeline to protect it from corrosion.

Water Heaters

Sacrificial anodes are commonly used in water heaters to protect the steel tank from corrosion. Magnesium or aluminum anodes are often employed for this purpose.

Storage Tanks

Tanks storing corrosive substances, such as water or chemicals, can benefit from sacrificial anode cathodic protection to extend their lifespan and prevent leaks.

Marine Structures

Boats and Ships: Sacrificial anodes, often made of zinc or aluminum, are attached to the hulls of boats and ships to protect them from corrosion in saltwater.

Piers and Docks: Structures such as piers, docks, and offshore platforms use sacrificial anodes to prevent corrosion caused by exposure to seawater.

Underground Pipelines

Oil and Gas Pipelines: Underground pipelines made of steel are susceptible to corrosion, especially in moist soil. Sacrificial anodes can be installed along the pipeline to protect it from corrosion.

Water Heaters

Sacrificial anodes are commonly used in water heaters to protect the steel tank from corrosion. Magnesium or aluminum anodes are often employed for this purpose.

Storage Tanks

Tanks storing corrosive substances, such as water or chemicals, can benefit from sacrificial anode cathodic protection to extend their lifespan and prevent leaks.

Offshore Structures

Platforms and subsea pipelines in offshore oil and gas operations are exposed to harsh marine environments. Sacrificial anodes are employed to protect these structures from corrosion.

Boilers

Boilers in industrial facilities can be protected from corrosion using sacrificial anodes. This is common in systems where water is used as a coolant or heat transfer fluid.

Automotive Industry

Some automotive components, particularly those in contact with corrosive environments, may use sacrificial anodes. For example, aluminum or zinc anodes may be employed to protect certain parts of a vehicle.

Swimming Pools

Sacrificial anodes are used in swimming pools to protect metal components, such as ladder rails and underwater lights, from corrosion caused by the chlorine in the water.

Offshore Structures

Platforms and subsea pipelines in offshore oil and gas operations are exposed to harsh marine environments. Sacrificial anodes are employed to protect these structures from corrosion.

Boilers

Boilers in industrial facilities can be protected from corrosion using sacrificial anodes. This is common in systems where water is used as a coolant or heat transfer fluid.

Automotive Industry

Some automotive components, particularly those in contact with corrosive environments, may use sacrificial anodes. For example, aluminum or zinc anodes may be employed to protect certain parts of a vehicle.

Swimming Pools

Sacrificial anodes are used in swimming pools to protect metal components, such as ladder rails and underwater lights, from corrosion caused by the chlorine in the water.

Anodes

Test Post

Junction Box

Reference Electrode

Cadweld Kit

Coke Breeze

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Combining unmatched experience and expertise in the specialised fields of corrosion and erosion monitoring, the PICORR team unites top industry professionals to offer innovative solutions with a personalised touch for critical asset management applications in Malaysia and Brunei.