KHIA headerKnow-How in Action

VOL XXXIV, NO 6

Belzona® Elastomer Solution Filters Out The Competition

 
 

Industry:

Power (POWR)

 
 

Application:

Tanks and Chemical Containment Areas (TCC)

 
 

Customer Location:

Power Plant, Qatar

 
 

Application Date:

January 2015 - Ongoing

 
 

Application Situation:

The rubber lining for a 15-year-old limestone filter was suffering from severe disbondment and failure. In fact, it was unable to sustain the operation of filtering water on a daily basis due to aggressive erosion.

 
 

Problem:

The Power Plant’s temporary measure was to repair damaged sections with rubber sheeting until a suitable alternative was found. To ensure the asset remained in service for the foreseeable future, they invited local Contractors to propose solutions.

 
 

Products:

Belzona 1331

 

Substrate:

Steel

 
 

Application Method:

The client chose to compare three systems simultaneously, over an eight-month period, to assess their performance. The systems selected were: Option one – bonding of a rubber lining Option two – Use of competitor ceramic coating Option three – Belzona 1331 The existing rubber lining was removed back to a bare metal substrate before water washing the substrate and blasting to SA 2.5 cleanliness. Subsequently, three coats were applied at 500 microns in accordance with Belzona System Leaflet TCC-3.

 
 

Belzona Facts:

At the end of the trial phase, the competitors’ conditions were carefully reviewed. The rubber lining failed to last the duration of the trial, whilst the competitor ceramic coating blistered everywhere. On the other hand, Belzona 1331 passed with flying colours and no traces of failure. Happy with the high level of protection, Belzona was awarded the initial job as well as 12 further applications. This was originally prospected in January 2015, with work commencing several months later. Fast forward four years and Belzona 1331 is used to protect all the LSFs and MSFs throughout the site and this application has been adopted by a number of other Power Plants in the region.

 
 

Photographs Description

1) Limestone filters at the Power Plant

2) Competitor One - Disbonded rubber lining

3) Competitor Two - Blistered protective coating

4) Belzona 1331 - No traces of failure after 8-month assessment period

 
Case study pic one

 

 
 Case study pic two

 

 
 Case study pic three

 

 
 Case study pic four

 

 
 
For more information about Belzona visit: www.belzona.com