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  • Methane GHG FINAL Version

    Rights statement: This is the author’s version of a work that was accepted for publication in Progress in Energy and Combustion Science. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Progress in Energy and Combustion Science, 66, 2018 DOI: 10.1016/j.pecs.2016.06.002

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The combustion mitigation of methane as a non-CO2 greenhouse gas

Research output: Contribution to journalJournal article

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<mark>Journal publication date</mark>05/2018
<mark>Journal</mark>Progress in Energy and Combustion Science
Volume66
Number of pages24
Pages (from-to)176-199
Publication statusPublished
Early online date12/08/16
Original languageEnglish

Abstract

Anthropogenic emissions of non-CO2 greenhouse gases such as fugitive methane contribute significantly to global warming. A review of fugitive methane combustion mitigation and utilisation technologies, which are primarily aimed at methane emissions from coal mining activities, with a focus on modelling and simulation of ultra-lean methane oxidation/combustion is presented. The challenges associated with ultra-lean methane oxidation are on the ignition of the ultra-lean mixture and sustainability of the combustion process. There is a lack of fundamental studies on chemical kinetics of ultra-lean methane combustion and reliable kinetic schemes that can be used together with computational fluid dynamics studies to design and develop advanced mitigation systems. Mitigation of methane as a greenhouse gas calls for more efforts on understanding ultra-lean combustion. Recuperative combustion provides a promising means for mitigating ultra-lean methane emissions. Progress is needed on effective methods to ignite and to recuperate and retain heat for oxidation/combustion of the ultra-lean mixtures. Catalysts can be very effective in reducing the temperatures required for oxidation while plasmas may be utilised to assist the ignition, but thermodynamic/aerodynamic limits of burning ultra-lean methane remain unexplored. Further technological developments may be focussed on developing innovative capturing technology as well as technological innovations to achieve effective ignition and sustainable
oxidation/combustion.

Bibliographic note

This is the author’s version of a work that was accepted for publication in Progress in Energy and Combustion Science. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Progress in Energy and Combustion Science, 66, 2018 DOI: 10.1016/j.pecs.2016.06.002