In 2006, Chang et al. (A study of storage tank accidents, James I. Chang, Journal of Loss Prevention in the Process Industries) conducted a study of storage tank accidents. This study showed that 74% of reported accidents occurred in petrochemical refineries, and 85% of them had caused fires and explosions. Approximately 60% of accidents are due to cracks, ruptures and subsequent leaks as a result of corrosion. The chemical and petrochemical industry is currently looking for cost-effective solutions that allow them to quantitatively assess corrosion damage in inaccessible areas of their risk components


The Project aims to develop a reliable method and tools for the detection, quantification and prediction of corrosion in tank bottom floors and pipelines containing chemicals without removing the stored fluid. Thus, operation and maintenance tasks would be optimized and future design of new tanks and pipelines would be improved.

main applications

chemical and petrochemical industry

energy generation

project activities

EMAT technology

Sizing slgorithm

  • Wall-loss quantification.
  • Larger range of inspection (1.5 m).
  • Identification of different forms of corrosion. 

Corrosion prediction software

  • Predict corrosion rates and changes in chemistry

Structural design software (FEM)

  • Stress distribution maps and lifetime prediction


Corrosion standard blocks




Guideline for tank inspection

Current method

NDT and visual inspection from inside. The tank must be empty.

CORUS’ method

Inspection from outside
No need to enter into the tank
No need to empty the tank