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  • Environmental phosphate coating for corrosion prevention in CO2 pipelines

    Author(s)
    Morks, MF
    Fahim, NF
    Cole, IS
    Griffith University Author(s)
    Cole, Ivan
    Year published
    2013
    Metadata
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    Abstract
    The pipelines transporting carbon dioxide (CO2) rich fluids in the CO2 capture and storage (CCS) process require an appropriate internal corrosion protection in cases where the stream is acidic due to the formation of carbonic acid. In this study, vanadate-based MnMgZn phosphate coating is proposed as effective coating to reduce the corrosion in pipelines. The vanadate in the phosphate bath refines the microstructure of the phosphate coating and alters the corrosion behavior significantly. Electrochemical impedance spectroscopy (EIS) and polarization measurements were performed to investigate the corrosion behavior of phosphate ...
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    The pipelines transporting carbon dioxide (CO2) rich fluids in the CO2 capture and storage (CCS) process require an appropriate internal corrosion protection in cases where the stream is acidic due to the formation of carbonic acid. In this study, vanadate-based MnMgZn phosphate coating is proposed as effective coating to reduce the corrosion in pipelines. The vanadate in the phosphate bath refines the microstructure of the phosphate coating and alters the corrosion behavior significantly. Electrochemical impedance spectroscopy (EIS) and polarization measurements were performed to investigate the corrosion behavior of phosphate coatings in diluted sulfuric acid at different pH.
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    Journal Title
    Materials Letters
    Volume
    94
    DOI
    https://doi.org/10.1016/j.matlet.2012.12.033
    Subject
    Physical sciences
    Chemical sciences
    Engineering
    Materials engineering not elsewhere classified
    Publication URI
    http://hdl.handle.net/10072/173757
    Collection
    • Journal articles

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