Corrosion behaviour of pipe steels exposed for 2 years to CO 2-saturated saline aquifer environment similar to the CCS-site Ketzin, Germany

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Abstract

When emission gasses are compressed into deep geological layers (CCS) CO2-corrosion of injection pipe steels is a relevant safety issue. The reliability of the steels used at the geological onshore CCS-site at Ketzin, Germany, is demonstrated in 2 years laboratory experiments under an equivalent corrosive environment at ambient pressure (T=60 °C, aquifer water, CO 2-flow rate of 3 l/h). Corrosion kinetics and microstructures were characterized using samples of the heat treated steel 42CrMo4 (casing), and samples of the martensitic stainless steel X46Cr13 (injection). © 2010 Elsevier Ltd. © 2011 Published by Elsevier Ltd.

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Pfennig, A., Linke, B., & Kranzmann, A. (2011). Corrosion behaviour of pipe steels exposed for 2 years to CO 2-saturated saline aquifer environment similar to the CCS-site Ketzin, Germany. In Energy Procedia (Vol. 4, pp. 5122–5129). Elsevier Ltd. https://doi.org/10.1016/j.egypro.2011.02.488

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