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Anti Corrosion Anodically Protected Sulfuric Acid Tank Phosphoric Acid Oleum

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Anti Corrosion Anodically Protected Sulfuric Acid Tank Phosphoric Acid Oleum
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Anti Corrosion Sulfuric Acid Tank

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Oleum Sulfuric Acid Tank

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Oleum acid tank
Basic Infomation
Place of Origin: China
Brand Name: Carpe Diem
Model Number: CD-004
Payment & Shipping Terms
Packaging Details: Naked
Delivery Time: 60 Workdays
Payment Terms: T/T
Supply Ability: 2000/year
Product Description
Corrosion Resistant Anodically Protected Storage Tank For Sulfuric Acid With Extended Lifespan And Product Purity
Anodically protected storage tanks represent a critical advancement in the safe and efficient containment of highly corrosive chemicals, most notably concentrated sulfuric acid (H₂SO₄). By integrating an external electrochemical system with a standard carbon steel tank, this technology mitigates corrosion rates to nearly zero, ensuring long-term asset integrity, product purity, and operational safety.
The Principle of Anodic Protection
Unlike cathodic protection used for metals in soil or water environments, anodic protection is specifically engineered for aggressive chemical applications. The system utilizes passivation principles where a potentiostat maintains the tank's internal surface at a precise, noble potential within the metal-electrolyte system's passive range. This enforced potential promotes the formation of a thin, continuous, and adherent passive oxide layer on the steel surface, creating a protective barrier that prevents corrosive acid from attacking the underlying metal.
Key System Components
  • Tank Vessel: Constructed from carbon steel, serving as the cathode
  • Cathodes: Specially designed electrodes (typically high-silicon chromium iron or noble materials) suspended within the tank
  • Reference Electrode: Stable, high-temperature reference electrode continuously monitoring electrochemical potential
  • Potentiostat: Electronic control unit that automatically adjusts current flow to maintain optimal passive potential
Advantages Over Traditional Materials
Drastically Reduced Corrosion
Corrosion rates reduced to less than 0.1 mm per year compared to 1.0-1.2 mm/year in unprotected carbon steel
Product Purity
Eliminates iron sulfate contamination, preserving acid quality and color
Extended Tank Lifespan
Operational life extended indefinitely with primary limitation being mechanical integrity
Economic Efficiency
Enables use of cost-effective carbon steel instead of expensive alloys for large-volume storage
Reduced Maintenance
Minimizes need for frequent inspections, cleaning, and repairs
Performance Comparison
Material/System Corrosion Rate Maintenance Requirements
Unprotected Carbon Steel 1.0-1.2 mm/year High - Frequent inspections and repairs
Anodically Protected Carbon Steel < 0.1 mm/year Low - Minimal maintenance required
Typical Applications
  • Concentrated Sulfuric Acid (above 93% wt)
  • Oleum
  • Phosphoric Acid
  • Other electrolytes where metals exhibit active-passive behavior
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Sulfuric Acid Tank

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Tel : +8618602560456
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