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Unravelling the Role of Interfacial Effects on Corrosion Thermodynamics in CCS

Project description

Improved approach to understanding and predicting dry corrosion

Corrosion poses significant economic, safety and environmental challenges, especially in CO2 capture and storage systems, where acidic impurities and water accelerate the process. Even when water is below its solubility limit, it can form ultrathin films on metal surfaces, creating a complex environment for chemical reactions. This phenomenon, known as dry corrosion, is largely influenced by interfacial effects. With the support of the Marie Skłodowska-Curie Actions programme, the InterCorr project will combine thermodynamics with interfacial modelling to predict dry corrosion under varying conditions of temperature, pressure and composition. By offering new insights into interfacial behaviour, InterCorr could lead to new, more affordable corrosion-resistant materials and better strategies for corrosion prevention.

Objective

Corrosion has enormous economic, safety, and environmental impacts. In CO2 capture and storage (CCS), CO2 and acidic impurities can significantly accelerate corrosion when water is present. When the water composition is below the solubility limit in the CO2-rich phase, water can still form thin films with a thickness of only a few nanometers at metal surfaces. In thin films, dissolved gases and metal cations form a complex aqueous system that involves thermodynamics, chemical reactions, and interface science. Corrosion below thin films is called dry corrosion and is a phenomenon largely influenced by interfacial effects. By combining fundamental thermodynamics with interfacial models, InterCorr aims to reliably predict when dry corrosion can occur across wide ranges in temperature, pressure, and compositions, extending beyond the range of existing experiments and empirical correlations.
InterCorr will develop a consistent thermodynamics framework in bulk systems and below thin films, providing a modeling tool as well as new insights into how interfacial effects influence the solubility, pH, chemical potential, density, and other key thermodynamic parameters that have direct impact on corrosion. Developments in this project can help develop new, more affordable corrosion-resistant alloys and better ways to prevent corrosion.

Fields of science (EuroSciVoc)

Keywords

Programme(s)

Topic(s)

Funding Scheme

HORIZON-TMA-MSCA-PF-EF - HORIZON TMA MSCA Postdoctoral Fellowships - European Fellowships

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Call for proposal

(opens in new window) HORIZON-MSCA-2024-PF-01

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Coordinator

NORGES TEKNISK-NATURVITENSKAPELIGE UNIVERSITET NTNU
Net EU contribution
€ 251 578,56
Address
HOGSKOLERINGEN 1
7491 Trondheim
Norway
Region
Norge Trøndelag Trøndelag
Activity type
Higher or Secondary Education Establishments
Links
Total cost
No data

Partners (1)