KHIA headerKnow-How in Action

VOL XVII, NO 32

Belzona® Renews Damaged Lining

 
 

Industry:

Petrochemical (PETR)

 
 

Application:

Tanks and Chemical Containment Areas (TCC)

 
 

Customer Location:

Refinery in North Texas, U.S.A.

 
 

Application Date:

October 2002

 
 

Application Situation:

Fiberglass tank used to store spent sulfuric acid.

 
 

Problem:

Dilute sulfuric acid eventually attacked the fiberglass surface and had the gelcoat completely eaten away in sections. The first layer of cloth was exposed in 50% of the internal tank surface.

 
 

Products:

Belzona® 5811 (Immersion Grade)

 

Substrate:

Fiberglass Re-enforced Polyester

 
 

Application Method:

The application was carried out in accordance with Belzona Know-How System Leaflet TCC-3.

 
 

Belzona Facts:

All exposed glass fiber ends were shaved off. The internal tank surface was blasted and coated with two coats of Belzona® 5811. In August 2003, the refinery reported it had experienced perfect performance with coating.

 
 

Photographs Description

  1. Outside view of the sulfuric acid holding tank
  2. Close-up view of the FRP substrate
  3. Application of the first coat commences
  4. The second coat is applied
 
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