CASE STUDY

Process Tanks Relining

Client: Rettig UK

Industry: Petrochemical

Scope:Process Tanks Relining

Date: December 2017

Location: UK

Products: RW 500

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OVERVIEW

The aggressive nature of the caustic chemicals held within four process tanks caused a major leakage which required to be repaired.

CHALLENGE

Surface preparation had to be undertaken in a restricted working environment. There could also be no disruption to the normal day-to-day operations ongoing throughout the site.

SOLUTION

The tanks were drained and washed to remove salt and other potential contamination from the surface. All surfaces were abrasive blasted to Sa 2½ to achieve a minimum surface profile of 75µ. All edges, angles and welds were stripe coated with solvent-free, high temperature and chemically resistant Novolac epoxy Epo chem™ RW 500. This was then followed by two full coats of Epo-chem™ RW 500.

OUTCOME

The tanks were successfully relined simultaneously, just one week before the closure of the plant over the Christmas shutdown. Substantial time and cost savings were achieved using this solution as there was no disruption to the normal operating processes of the facility.

BENEFITS

• Solvent-free
• Exceptional high temperature and chemical resistance
• No disruption to daily working processes
• Reduced H&S and Fire Hazards

unpainted grey metal process tank internals

After Surface Preparation

process tank painted in blue with two large unpainted pipes

Completed Application

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