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Development of a Thermodynamic Model for Chromates, Molybdates, Tungstates, and Vanadates Involved in the Corrosion of Steels (Fe, Cr, Ni, Mo, W, and V) at High Temperatures in Atmospheres Containing O–H–S–C–Cl and Alkaline Salts

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REWAS 2022: Energy Technologies and CO2 Management (Volume II)

Part of the book series: The Minerals, Metals & Materials Series ((MMMS))

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Abstract

This research work falls under the generic theme of modeling high-temperature processes, during energy conversion, flaking, and corrosion phenomenon, for systems converting mainly organic matter into energy. Energy conversion facilities are made of a metal alloy of the type Fe–Cr–Ni–V–Mo–W and are exposed to gaseous species from combustion, or from the flying of ashes. Under certain conditions, highly corrosive molten salts may be formed, causing the protective oxide layer of the steel to be transformed into either chromates, molybdates, tungstates or vanadates, or their mixture. This is called “catastrophic” corrosion. The presence of ash deposits limits the maximum operating temperature and the energy efficiency of the process. Thus, this research aims to develop a thermodynamic model including chromates, molybdates, tungstates, and vanadates that may form in environments containing O–H–S–C–Cl and alkaline salts, to predict the limiting conditions at which ash deposition and corrosion can occur.

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Authors and Affiliations

  1. Centre for Research in Computational Thermochemistry (CRCT), Department of Chemical Engineering, Polytechnique Montréal, Station Downtown, Box 6079, Montréal, QC, H3C 3A7, Canada

    Sara Benalia, Christian Robelin & Patrice Chartrand

Authors
  1. Sara Benalia
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  2. Christian Robelin
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  3. Patrice Chartrand
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Corresponding author

Correspondence to Sara Benalia .

Editor information

Editors and Affiliations

  1. Åbo Akademi University, Turku, Finland

    Fiseha Tesfaye

  2. Dept Mech Engineering, Duckering 337A, University of Alaska, Fairbanks, AK, USA

    Lei Zhang

  3. MS 2211, Idaho National Laboratory, Idaho Falls, ID, USA

    Donna Post Guillen

  4. Sch of Chem, Physics & Mech Engg, Queensland Univ of Tech, E Block, Brisbane, Australia

    Ziqi Sun

  5. University of Ilorin, Ilorin, Nigeria

    Alafara Abdullahi Baba

  6. IND LLC, South Jordan, UT, USA

    Neale R. Neelameggham

  7. Wood Mackenzie, Chicago, IL, USA

    Mingming Zhang

  8. Consultant, Extractive Metallurgy and En, Reno, NV, USA

    Dirk E. Verhulst

  9. Engrg, Rm 1C123, Coll of Engrg, Univ Saskatchewan, Dept Chem & Bio, Saskatoon, SK, Canada

    Shafiq Alam

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Benalia, S., Robelin, C., Chartrand, P. (2022). Development of a Thermodynamic Model for Chromates, Molybdates, Tungstates, and Vanadates Involved in the Corrosion of Steels (Fe, Cr, Ni, Mo, W, and V) at High Temperatures in Atmospheres Containing O–H–S–C–Cl and Alkaline Salts. In: Tesfaye, F., et al. REWAS 2022: Energy Technologies and CO2 Management (Volume II). The Minerals, Metals & Materials Series. Springer, Cham. https://doi.org/10.1007/978-3-030-92559-8_1

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