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Evaluation of Time Consistency When Quantifying Emissions of Perfluorocarbons Resulting from Low Voltage Anode Effects

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Light Metals 2018 (TMS 2018)

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

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Abstract

Low voltage anode effects (LVAE) have been recognized in aluminium smelters since mid 2000s. Such events are now known to generate perfluorocarbons (PFC) emissions over time and no methodology currently exists to adequately quantify such emissions for inclusion in greenhouse gas (GHG) inventories. A novel methodology has been proposed to estimate the annual LVAE emissions from the aluminium industry (Marks & Nunez) based on a set of existing measurement data from multiple in situ gas measurement campaigns. There is currently no estimate of the contribution of LVAE emissions using this methodology for past years. This paper investigates the potential effects of adopting this approach and applying it to historic emissions inventories of PFCs. Based on historical data supplied by a select set of aluminum smelters, the total respective PFC emissions resulting from high and low voltage anode effects were calculated, allowing evaluation of the potential impact of LVAE on the total amount of PFCs reported.

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Acknowledgements

The authors would like to thank the different companies who agreed to share process data through the International Aluminium Institute in order to make this study possible.

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Authors and Affiliations

  1. GRIPS, UQAC, 555, Boul. de l’université, Chicoutimi, QC, G7H 2B1, Canada

    Lukas Dion

  2. International Aluminium Institute, 10 Charles II Street, London, SW1Y 4AA, UK

    Pernelle Nunez

  3. Light Metals Research Centre, University of Auckland, Private Bag 92019, Auckland, 1142, New Zealand

    David Wong

  4. Arvida Research and Development Centre, Rio Tinto, 1955, Mellon Boulevard, Jonquière, QC, G7S 4K8, Canada

    Simon Gaboury

  5. UC RUSAL, 1, Vasilisy Kozhinoy Str., Moscow, 121096, Russia

    Alexey Spirin

Authors
  1. Lukas Dion
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  2. Pernelle Nunez
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  3. David Wong
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  4. Simon Gaboury
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  5. Alexey Spirin
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Corresponding author

Correspondence to Lukas Dion .

Editor information

Editors and Affiliations

  1. Rio Tinto Alcan, Saint Jean, France

    Olivier Martin

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© 2018 The Minerals, Metals & Materials Society

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Dion, L., Nunez, P., Wong, D., Gaboury, S., Spirin, A. (2018). Evaluation of Time Consistency When Quantifying Emissions of Perfluorocarbons Resulting from Low Voltage Anode Effects. In: Martin, O. (eds) Light Metals 2018. TMS 2018. The Minerals, Metals & Materials Series. Springer, Cham. https://doi.org/10.1007/978-3-319-72284-9_190

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