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Household air pollution mitigation with integrated biomass/cookstove strategies in Western Kenya
Umeå University, Faculty of Science and Technology, Department of Applied Physics and Electronics. Centre for Environmental and Marine Studies, Dept. of Environment and Planning, University of Aveiro, Aveiro, Portugal; Laboratory of Renewable Energy and Environmental Comfort, Institute of Education, Science and Technology of Ceará, Fortaleza, Brazil.
Umeå University, Faculty of Science and Technology, Department of Applied Physics and Electronics.
Umeå University, Faculty of Science and Technology, Department of Applied Physics and Electronics.
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2019 (English)In: Energy Policy, ISSN 0301-4215, E-ISSN 1873-6777, Vol. 131, p. 168-186Article in journal (Refereed) Published
Abstract [en]

Traditional cooking is today's largest global environmental health risk. Over 640 million people in Africa are expected to rely on biomass for cooking by 2040. In Kenya, cooking inefficiently with wood and charcoal persists as a cause of deforestation and household air pollution. This research analyses the effects of four biomass cookstove strategies on reducing air pollutant emissions in Kisumu County between 2015 and 2035 using the Long-Range Energy Alternatives Planning system. The Business as Usual scenario (BAU) was developed considering the historical trends in household energy use. Energy transition scenarios to Improved Cookstoves (ICS), Pellet Gasifier Stoves (PGS) and Biogas Stoves (BGS) were applied to examine the impact of these systems on energy savings and air pollution mitigation. An integrated scenario (INT) was evaluated as a mix of the ICS, PGS and BGS. The highest energy savings, in relation to the BAU, are achieved in the BGS (30.9%), followed by the INT (23.5%), PGS (19.4%) and ICS (9.2%). The BGS offers the highest reduction in the GHG (37.6%), CH4 (94.3%), NMVOCs (85.0%), CO (97.4%), PM2.5 (64.7%) and BC (48.4%) emissions, and the PGS the highest reduction in the N2O (83.0%) and NOx (90.7%) emissions, in relation to the BAU.

Place, publisher, year, edition, pages
Elsevier, 2019. Vol. 131, p. 168-186
Keywords [en]
Biomass pellets, Biogas, Cookstoves, Energy forecasting, Global warming, Local air pollutants
National Category
Energy Systems Environmental Sciences
Identifiers
URN: urn:nbn:se:umu:diva-161498DOI: 10.1016/j.enpol.2019.04.026ISI: 000472125200015OAI: oai:DiVA.org:umu-161498DiVA, id: diva2:1337254
Projects
Bio4Energy
Funder
Swedish Research Council Formas, 942-2015-1385The Kempe Foundations, JCK-1516Available from: 2019-07-12 Created: 2019-07-12 Last updated: 2019-09-02Bibliographically approved

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Carvalho, Ricardo L.Lindgren, RobertLopez, N.Boman, Christoffer

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