| Belzona Protects Water Treatment Plant Filter | | | Industry:Water / Wastewater (WATR) | | | Application:Wall Problem Areas (WPA) | | | Customer Location:Water treatment plant, Girona, Spain | | | Application Date:May 2008 | | | Application Situation:Filter for removing organic matter. | | | 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. | | | Products:Belzona® 1121 (Super XL Metal)
Belzona® 4311 (Magma CR1) | | | Substrate:Stainless steel. | | | 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. | | | Photographs Description
- Initial state of the sieve
- Rebuilding with Belzona® 1121
- Application of the second coating of Belzona® 4311
- Finished unit
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