STEEL TECH

Steel Key Challenges in CO2 Transport and Injection for Carbon Capture and Storage

Pilar Esteban - R&D Researcher - TUBACEX I+D

A substantial amount of the world’s rising energy demand is forecast to still be met by fossil fuels over the next decade. Carbon Capture and Storage (CCS) is a key available technology to mitigate emissions from large-scale fossil fuel use. Therefore, developing and commercializing this technology is essential to help reduce the impact on climate change. CCS primarily involves capturing the CO2 arising from energy-related and industrial sources, treating it to remove impurities, and compressing, transporting and injecting it in a storage site to ensure long-term isolation from the atmosphere. The specific difference in relation to experience with relatively pure CO2 injection is caused by the impurity of the CCS CO2 which will be dictated by its source and the capture technology employed.
One of the most important challenges in CCS technology is to provide guidance in material selection and corrosion control for engineers to design and identify operating limits for projects that involve CO2 transport and injection. In this sense, the international standardization committees are currently deeply working in addressing guidelines to develop new specific corrosion testing for material screening. Stainless steel products as corrosion resistant alloys are considered key materials in this new field of study.

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