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Effect of water content on the corrosion behavior of X65 pipeline steel in supercritical CO 2 -H 2 O-O 2 -H 2 S-SO 2 environment as relevant to CCS application by Chong Sun; Jianbo Sun; Subiao Liu; Yong Wang is a Materials Science article available to read on EtoBox.

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The water content limit of 1500 ppmv was obtained in supercritical CO2 streams containing 200 ppmv O2, 200 ppmv SO2 and 200 ppmv H2S at 10 MPa and 50 oC. Concurrently, the thermodynamic calculation suggested that impurities could change the corrosion process through promoting the water precipitation and changing the water chemistry characteristics. When water content was below 1500 ppmv, the corrosion effect of impurity interactions dominated the corrosion process of X65 steel. Whereas upon increasing the water content over 1500 ppmv, the corrosion effects from impurity interactions and individual A

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Author

Chong Sun; Jianbo Sun; Subiao Liu; Yong Wang

Published

2018

Language

EN

Field

Materials Science (Physical Sciences)