Peer-reviewed articles 17,970 +


Kristaps Siltumens; Inga Grinfelde; Juris Burlakovs ; Sindija Liepa ; Jovita Pilecka-Ulcugaceva
•    Prof. DSc. Oleksandr Trofymchuk, UKRAINE 
•    Prof. Dr. hab. oec. Baiba Rivza, LATVIA
Landfills of municipal waste are important sources of methane emissions. The surface of the landfill area is the interface between the waste layer and the atmosphere. By creating a biocover cover layer, it is possible to reduce methane emissions that would refer to air quality. This innovative biocover technology aims to curtail methane emissions from various sources. The research delves into the effectiveness of this biocover in not only mitigating methane emissions but also its potential influence on nitrous oxide emissions. Through a combination of laboratory experiments, the study unravels the intricate dynamics between methane and nitrous oxide emissions in the context of the methane-reducing biocover.The study created a laboratory biocover experiment. Interaction between methane and nitrous oxide emissions was studied using methane-reducing biocover. The experiment was launched on 6 June 2022. This was done by creating tube columns with a diameter of 160 mm and a height of 1500 mm. The biocover used consisted of 60% of fine-fraction waste, 20% of soil and 20% of compost. Measurements of methane and nitrous oxide emissions were performed with Cavity Ring-Down Spectroscopy gas measurement device Picarro G2508. When performing emission measurements, the flow rate in the tube of the mesurement device was 5 ml/s-1. During the whole experiment, water-saturated compost was used as a source of methane and nitrous oxide. The experimental structure also used sand, which served as a gas-permeable layer and separated biocover from compost (emissions source). The analysis of the data showed a minor interaction between methane emissions and nitrous oxide flow. The results shed light on potential synergies or tradeoffs in greenhouse gas reduction strategies, offering valuable insights for optimizing emission reduction efforts while considering the broader environmental implications.
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[2] Molino A., Nanna F., Ding Y., Bikson B., Braccio G., Biomethane production by anaerobic digestion of organic waste, Fuel, vol. 103, pp 1003-1009, 2013.
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[4] Pecorini I., Iannelli R., Landfill GHG Reduction through Different Microbial Methane Oxidation Biocovers, Processes, vol. 8/issue 5, pp 591, 2020.
[5] Houhu Z., Weixin L., Zucong C., Yi Z., Yanhong F., Hongling Z., Fei H., Landfill CH4 oxidation and N2O emissions by aged refuse: Effects of wastewater NH4+-N incubation, heavy metals and pH, Ecological Engineering, vol. 53, pp 243-249, 2013.
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[7] Juha-Kalle M.E., Karhu E.A., Jukka A.R., Mechanically–biologically treated municipal solid waste as a support medium for microbial methane oxidation to mitigate landfill greenhouse emissions, Waste Management, Vol 28/issue 1, pp 97-111, 2008.
[8] Siltumens K., Grinfelde I., Liepa S., Puzule E. P., Burlakovs J., Biocover composition impact on landfill methane emissions reduction, International Multidisciplinary Scientific GeoConference Surveying Geology and Mining Ecology Management, SGEM, vol. 22/issue 4.2, pp 183-189, 2022.
[9] Huber-Humer M., Roder S., Lechner P., Approaches to assess biocover performance on landfills, Waste Management, vol. 29/issue 7, pp 2092-2104, 2009.
[10] Bogner J., Pipatti R., Hashimoto S., Mitigation of global greenhouse gas emissions from waste: conclusions and strategies from the Intergovernmental Panel on Climate Change (IPCC) Fourth Assessment Report. Working Group III (Mitigation). Waste Management & Research, vol. 26/issue 1, pp 11-32, 2008
[11] Cassini F., Scheutz C., Skov B. H., Mou Z., Kjeldsen P., Mitigation of methane emissions in a pilot-scale biocover system at the av miljo landfill, Denmark: 1. system design and gas distribution, Waste Management, vol. 63, pp 213-225, 2017.
[12] Hudman R. C., Moore N. E., Mebust A. K., Martin R. V., Russell A. R., Valin L. C., Cohen, R. C., Steps towards a mechanistic model of global soil nitric oxide emissions: implementation and space based-constraints, Atmospheric Chemistry and Physics, vol. 12/issue16, pp 7779-7795, 2012
The work was supported by the PASIFIC program GeoReco project funding from the European Union’s Horizon2020 research and innovation programme under the Marie Sklodowska-Curie grant agreement No 847639 and from the Ministry of Education and Science.
Proceedings of 23rd International Multidisciplinary Scientific GeoConference SGEM 2023
23rd International Multidisciplinary Scientific GeoConference SGEM 2023, 28-30 November, 2023
Proceedings Paper
STEF92 Technology
International Multidisciplinary Scientific GeoConference-SGEM
SWS Scholarly Society; Acad Sci Czech Republ; Latvian Acad Sci; Polish Acad Sci; Russian Acad Sci; Serbian Acad Sci and Arts; Natl Acad Sci Ukraine; Natl Acad Sci Armenia; Sci Council Japan; European Acad Sci, Arts and Letters; Acad Fine Arts Zagreb Croatia; Croatian Acad Sci and Arts; Acad Sci Moldova; Montenegrin Acad Sci and Arts; Georgian Acad Sci; Acad Fine Arts and Design Bratislava; Russian Acad Arts; Turkish Acad Sci.
28-30 November, 2023
Air pollution; biodegradation; greenhouse gas mitigation measures; emissions interaction

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