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Publikationer från KTH
Conference object . 2022 . Peer-reviewed
SSRN Electronic Journal
Article . 2022 . Peer-reviewed
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Multiple greenhouse gases mitigation (MGM): Process concepts to co-remove non-CO2 (CH4) greenhouse gases and CO2 from air

Authors: Sirigina, Devesh Sathya Sri Sairam; Goel, Aditya; Nazir, Shareq Mohd;

Multiple greenhouse gases mitigation (MGM): Process concepts to co-remove non-CO2 (CH4) greenhouse gases and CO2 from air

Abstract

The agricultural sector is the main contributor for the warming from non-CO2 gases, especially methane and nitrous oxide. Existing measures to mitigate these emissions can only reduce but not eliminate these emissions. Owing to the diffused nature of these emissions, it is hard to design a single point measure to address the emissions from the agricultural sector. In our work, we present the first-of-a-kind direct air capture-based process to mitigate these diverse emissions. The process is designed based on thermal catalytic route for the methane conversion, which is coupled to a direct air capture unit for CO2 capture. The process was modelled based on steady state assumptions to estimate the energy requirement per tonne of CO2 equivalent mitigated. Energy estimations were later compared for the two methane removal systems with and without CO2 capture unit. The energy demand per tonne CO2-equivalent removed from the system without CO2 capture unit (only CH4 removal) was found to be 16.54 GJ. For the methane removal system with CO2 capture unit (co-removal of CO2 and CH4), the energy demand is 15.42 GJ per tonne-CO2 equivalent. QC 20230120

Country
Sweden
Related Organizations
Keywords

Energiteknik, History, Kemiska processer, Polymers and Plastics, Chemical Process Engineering, Energy Engineering, Business and International Management, Energy Systems, Industrial and Manufacturing Engineering, Energisystem

14 references, page 1 of 2

IPCC, 2021: Summary for Policymakers. In: Climate Change 2021: The Physical Science Basis. Contribution of Working Group I to the Sixth Assessment Report of the Intergovernmental Panel on Climate Change [Masson-Delmotte, Valérie Zhai, Panmao Pirani, Anna Conners, S. L. Péan, C. Berger, S. Caud, N. Chen, Y. Goldfarb, Leah Gomis, M. I. Huang, M. Leitzell, K. Lonnoy, E. Matthews, J. B. R. Maycock, T. K. Waterfield, T. Yelekçi, O. Yu, R. Zhou, Bin]. in Press. Cambridge University Press.

Hunter, D.B., J.E. Salzman, and D. Zaelke, Glasgow Climate Summit: Cop26. UCLA School of Law, Public Law Research Paper, 2021(22-02).

Sirigina, D.S.S.S. and S.M. Nazir, Non-Fossil Methane Emissions Mitigation From Agricultural Sector and Its Impact on Sustainable Development Goals. Frontiers in Chemical Engineering, 2022. 4. [OpenAIRE]

Tubiello, F., G. Conchedda, and G. Obli-Layrea, The share of agriculture in total GHG emissions: Global, regional and country trends. 2020. [OpenAIRE]

Sirigina, D.S.S.S., A. Goel, and S.M. Nazir. Multiple Greenhouse Gases Mitigation (MGM): Process Intensification To Mitigate NonCO2 Gases And CO2 From Air. in AIChE Annual Meeting. 2021. Boston, USA.

Pinto, A., et al., Enteric Methane Emissions of Dairy Cattle Considering Breed Composition, Pasture Management, Housing Conditions and Feeding Characteristics along a Rural-Urban Gradient in a Rising Megacity. Agriculture, 2020. 10(12): p. 628.

Alyani, M. and K.J. Smith, Kinetic Analysis of the Inhibition of CH4 Oxidation by H2O on PdO/Al2O3 and CeO2/PdO/Al2O3 Catalysts. Industrial & Engineering Chemistry Research, 2016. 55(30): p. 8309-8318.

Environmental Science & Technology, 2012. 46(12): p. 6455-6469.

Sabatino, F., et al., A comparative energy and costs assessment and optimization for direct air capture technologies. Joule, 2021. 5(8): p. 2047-2076.

Myhre, G., et al., Anthropogenic and natural radiative forcing, in Climate Change 2013: The Physical Science Basis. Contribution of Working Group I to the Fifth Assessment Report of the Intergovernmental Panel on Climate Change, T.F. Stocker, et al., Editors.

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    This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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    This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
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    influence
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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
1
Average
Average
Average
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