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Scrubber Filter Frames Repaired Protected With Belzona



General Industry (GIND)



Tanks and Chemical Containment Areas (TCC)


Customer Location:

Phosphoric acid producer, Morocco


Application Date:

January 2012


Application Situation:

20 scrubber filter frames from a gas filtering unit. Each unit made from 316L stainless steel had a surface area of 2.9m2.



The environment contains up to 2,6 mg/Nm3 phosphoric acid which leads to severe corrosion problems.



Belzona® 1311 (Ceramic R-Metal)
Belzona® 1321 (Ceramic S-Metal)



Stainless steel


Application Method:

The application was carried out in accordance with Belzona Know-How System Leaflet TCC-5. For the coating application, the standards DIN 28051, 28053 and 55128 were applied. Before the application, the surfaces were gritblasted to a minimum depth of profile of 75 microns.


Belzona Facts:

The customer already knew Belzona and wanted to protect his filters with Belzona® 1321 which has the required acid and erosion resistance. The flters were repaired and protected in just three days which met the clients tight schedule.


Photographs Description

Scrubber filter frame before the application Filter frame gritblasted Application in progress Application to one of the scrubber filter frames completed.

Case study pic one


 Case study pic two


 Case study pic three


 Case study pic four


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