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{"title":"Anodically Protected Sulfuric Acid Tank Corrosion Resistant For Chemical Storage","imgUrl":"https:\/\/img.chinax.com\/nimg\/fb\/54\/00dc75dc6b069bfc6b4137bd386d-200x200-1\/anodically_protected_sulfuric_acid_tank_corrosion_resistant_for_chemical_storage.jpg","attrs":{"Brand Name":"Carpe Diem","Model Number":"CD-004","Place of Origin":"China","Minimum Order Quantity":"1"}}
{"title":"Custom Anodically Protected Acid Tank With Extended Service Life For Sulfuric","imgUrl":"https:\/\/img.chinax.com\/nimg\/93\/ca\/a8fc0dd68c09b98512f8bbb3845a-200x200-1\/custom_anodically_protected_acid_tank_with_extended_service_life_for_sulfuric_acid_storage.jpg","attrs":{"Brand Name":"Carpe Diem","Model Number":"CD-004","Place of Origin":"China","Minimum Order Quantity":"1"}}
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
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
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Exporter
Year Established:
2017
Total Annual:
300$-1200$
Employee Number:
>50
Ecer Certification：
Verified Supplier
Jiangsu Carpe Diem Ocean Equipment Co., Ltd. is headquartered in the Li Shui International Enterprise R&D Park in Nanjing — a historic capital known as the “Ancient City of Six Dynasties.” The facility spans 17,000 square meters, including 8,000 square meters dedicated t... Jiangsu Carpe Diem Ocean Equipment Co., Ltd. is headquartered in the Li Shui International Enterprise R&D Park in Nanjing — a historic capital known as the “Ancient City of Six Dynasties.” The facility spans 17,000 square meters, including 8,000 square meters dedicated t...
