KHIA headerKnow-How in Action


Worlds Largest Phosphoric Acid Plant Uses Cost Effective Belzona® Solution



General Industry (GIND)



Tanks and Chemical Containment Areas (TCC)


Customer Location:

Phosphoric acid plant, Orissa, India


Application Date:

December 2010


Application Situation:

Storage Tank - Capacity - 2650 T / Day was suffering huge chemical and environmental corrosion due to fumes of Phosphoric and Sulphuric acid and coastal environment.



Standard Epoxy paints were peeling off within 6-8 months and outside of storage tanks get heavely corroded , mainly on the bottom portion at a height of 2 metres from the foundations.



Belzona® 4311 (Magma CR-1)



Mild Steel


Application Method:

Application was carried out in accordance with Belzona Know-How System Leaflet TCC-5. Since rebuilding was not required Belzona® 4311 has been applied directly on the blasted surface after cleaning.


Belzona Facts:

Customer could not find any long term solution except Belzona. Customer has saved huge cost of tank replacement


Photographs Description

  1. Deterioration of existing coating on Phosphoric acid storage tank clearly evident 
  2. Surface preparation done by grit blasting 
  3. Application of Belzona® 4311 
  4. Finished application
Case study pic one


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 Case study pic four


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