BELZONA PROTECTS WATER TREATMENT PLANT FILTER

KHIA ID: 1515
Industry: Water / Wastewater (WATR)
Application: WPA-Wall Problem Areas (WPA)
Substrate: Stainless steel.
Customer Location: Water treatment plant, Girona, Spain
Application Date: May 2008
Products:

Belzona® 1121 (Super XL Metal)

Belzona® 4311 (Magma CR1)


Problem: Severe corrosion of the stainless steel substrate due to the presence of Hydrogen Sulphide and Sulphuric acid. These are created by bacterial action in the organic matter.
Photograph Descriptions

  1. Initial state of the sieve
  2. Rebuilding with Belzona® 1121 
  3. Application of the second coating of Belzona® 4311 
  4. Finished unit

 

Application Situation
Filter for removing organic matter.
Application Method
Application was carried out in accordance with Belzona Know-How System Leaflet TCC-5. After grit blasting, deeply corroded areas were rebuilt  using Belzona® 1121 followed by coating with two layers (grey and red) of Belzona® 4311.
Belzona Facts
The filter was rapidly repaired and put back into service. The Belzona® 4311 provides excellent corrosion protection to all concentrations of Sulphuric acid ensuring long term protection of the equipment.