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Title: Use of Carbon Steel for Construction of Post-combustion CO 2 Capture Facilities: A Pilot-Scale Corrosion Study

Abstract

Corrosion studies were carried out on metal coated and noncoated carbon steel as well as stainless steel in a pilot-scale post-combustion CO 2 capture process. Aqueous 30 wt % monoethanolamine (MEA) solvent was used without any chemical additive for antioxidation to examine a worst-case scenario where corrosion is not mitigated. The corrosion rate of all carbon steels was almost zero in the absorber column and CO 2 lean amine piping except for Ni-coated carbon steel (<1.8 mm/yr). Ni 2Al 3/Al 2O 3 precoated carbon steels showed initial protection but lost their integrity in the stripping column and CO 2 rich amine piping, and severe corrosion was eventually observed for all carbon steels at these two locations. Stainless steel was found to be stable and corrosion resistant in all of the sampling locations throughout the experiment. This study provides an initial framework for the use of carbon steel as a potential construction material for process units with relatively mild operating conditions (temperature less than 80 °C), such as the absorber and CO 2 lean amine piping of a post-combustion CO 2 capture process. As a result, it also warrants further investigation of using carbon steel with more effective corrosion mitigation strategiesmore » for process units where harsh environments are expected (such as temperatures greater than 100 °C).« less

Authors:
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Publication Date:
Research Org.:
Univ. of Kentucky, Lexington, KY (United States)
Sponsoring Org.:
USDOE Office of Fossil Energy (FE)
OSTI Identifier:
1352138
Grant/Contract Number:  
FE0007395
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Industrial and Engineering Chemistry Research
Additional Journal Information:
Journal Volume: 56; Journal Issue: 16; Journal ID: ISSN 0888-5885
Publisher:
American Chemical Society (ACS)
Country of Publication:
United States
Language:
English
Subject:
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY; 36 MATERIALS SCIENCE; CO2 capture; pilot-scale; carbon steel; corrosion; massloss; SEM; XRD

Citation Formats

Li, Wei, Landon, James, Irvin, Bradley, Zheng, Liangfu, Ruh, Keith, Kong, Liang, Pelgen, Jonathan, Link, David, Figueroa, Jose D., Thompson, Jesse, Nikolic, Heather, and Liu, Kunlei. Use of Carbon Steel for Construction of Post-combustion CO 2 Capture Facilities: A Pilot-Scale Corrosion Study. United States: N. p., 2017. Web. doi:10.1021/acs.iecr.7b00697.
Li, Wei, Landon, James, Irvin, Bradley, Zheng, Liangfu, Ruh, Keith, Kong, Liang, Pelgen, Jonathan, Link, David, Figueroa, Jose D., Thompson, Jesse, Nikolic, Heather, & Liu, Kunlei. Use of Carbon Steel for Construction of Post-combustion CO 2 Capture Facilities: A Pilot-Scale Corrosion Study. United States. doi:10.1021/acs.iecr.7b00697.
Li, Wei, Landon, James, Irvin, Bradley, Zheng, Liangfu, Ruh, Keith, Kong, Liang, Pelgen, Jonathan, Link, David, Figueroa, Jose D., Thompson, Jesse, Nikolic, Heather, and Liu, Kunlei. Thu . "Use of Carbon Steel for Construction of Post-combustion CO 2 Capture Facilities: A Pilot-Scale Corrosion Study". United States. doi:10.1021/acs.iecr.7b00697. https://www.osti.gov/servlets/purl/1352138.
@article{osti_1352138,
title = {Use of Carbon Steel for Construction of Post-combustion CO 2 Capture Facilities: A Pilot-Scale Corrosion Study},
author = {Li, Wei and Landon, James and Irvin, Bradley and Zheng, Liangfu and Ruh, Keith and Kong, Liang and Pelgen, Jonathan and Link, David and Figueroa, Jose D. and Thompson, Jesse and Nikolic, Heather and Liu, Kunlei},
abstractNote = {Corrosion studies were carried out on metal coated and noncoated carbon steel as well as stainless steel in a pilot-scale post-combustion CO2 capture process. Aqueous 30 wt % monoethanolamine (MEA) solvent was used without any chemical additive for antioxidation to examine a worst-case scenario where corrosion is not mitigated. The corrosion rate of all carbon steels was almost zero in the absorber column and CO2 lean amine piping except for Ni-coated carbon steel (<1.8 mm/yr). Ni2Al3/Al2O3 precoated carbon steels showed initial protection but lost their integrity in the stripping column and CO2 rich amine piping, and severe corrosion was eventually observed for all carbon steels at these two locations. Stainless steel was found to be stable and corrosion resistant in all of the sampling locations throughout the experiment. This study provides an initial framework for the use of carbon steel as a potential construction material for process units with relatively mild operating conditions (temperature less than 80 °C), such as the absorber and CO2 lean amine piping of a post-combustion CO2 capture process. As a result, it also warrants further investigation of using carbon steel with more effective corrosion mitigation strategies for process units where harsh environments are expected (such as temperatures greater than 100 °C).},
doi = {10.1021/acs.iecr.7b00697},
journal = {Industrial and Engineering Chemistry Research},
number = 16,
volume = 56,
place = {United States},
year = {Thu Apr 13 00:00:00 EDT 2017},
month = {Thu Apr 13 00:00:00 EDT 2017}
}

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