The Energy from Waste (EfW) sector is booming with many countries working towards a ‘zero waste’ economy.Corroserve was approached by one of the UK’s biggest EfW plants as they were starting to experience corrosion in different items of plant even though they had been in operation for just a few years.

The Energy from Waste (EfW) sector is booming with many countries working towards a ‘zero waste’ economy.

Corroserve was approached by one of the UK’s biggest EfW plants as they were starting to experience corrosion in different items of plant even though they had been in operation for just a few years. One problem was a ducting section and stack adjoining the economizer areas that had been seriously affected by acidic corrosion. This type of plant is very prone to attack by the sulphur condensation on ducting lines. This is due to the nature of their emissions and operating conditions which can be up to 200C.

The Corroserve technical team analysed the environment and available data and decided that the best solution to this problem would be to blast clean the entire sections to SA 2½ with a profile of 50-100µm and to apply Corrothane XT – a cold cured vinyl ester hybrid with a proven track record in similar operating environments.

Following completion of the work, the client was so delighted with Corroserve’s high-quality work that they immediately asked them to protect other corroded structures. Word has got around and they are now in discussions with other operators of EfW plants about similar projects and others such as boiler to reactor lines and ID fans.