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Household Bioenergy Transitions with Alternative Biomass Feedstocks and Technologies: An Integrated System to Mitigate Environmental Risks in Western Kenya
Umeå universitet, Teknisk-naturvetenskapliga fakulteten, Institutionen för tillämpad fysik och elektronik. (Thermochemical Energy Conversion Laboratory)ORCID-id: 0000-0002-6521-4160
(Thermochemical Energy Conversion Laboratory)
(Thermochemical Energy Conversion Laboratory)
(Swedish University of Agricultural Sciences)ORCID-id: 0000-0003-1979-8772
Visa övriga samt affilieringar
2018 (Engelska)Ingår i: / [ed] École Polytechnique Fédérale de Lausanne, UNESCO, Lausanne, 2018Konferensbidrag, Enbart muntlig presentation (Övrigt vetenskapligt)
Abstract [en]

In Kenya, over 50% of the total primary energy consumption is from traditional solid-fuel cooking, being this a major cause of deforestation and household air pollution (HAP). Western Kenya has an agricultural biofuel feedstock of over 1.9 million Mt, which could be processed to supply cookstoves with crop-residue pellets and improved wood fallows. The sociotechnical viability of two novel bioenergy value chains were analysed using the Long-Range Energy Alternatives Planning system. Three scenarios of transition to efficient cookstoves and decentralized biofuel and electricity production systems were tested. In the “Optimal scenario”, the current feedstock in the Kisumu and Siaya counties could satisfy over 80% of the cooking energy demand by 2030. Here, the net greenhouse gas emissions from charcoal production and HAP could be reduced by 87% to 12.6 thousand Mt CO2e. Further work should integrate socioeconomic indicators reflecting additional local/regional stakeholders´ collaboration channels (cost-effective) to support the bioenergy transitions. 

Ort, förlag, år, upplaga, sidor
Lausanne, 2018.
Nyckelord [en]
Agroforestry, Industrial Residues, Pellets, Advanced Cookstoves, Gasification Technologies.
Nationell ämneskategori
Energisystem Skogsvetenskap Lantbruksvetenskap, skogsbruk och fiske
Forskningsämne
miljövetenskap; miljövetenskap
Identifikatorer
URN: urn:nbn:se:umu:diva-148316OAI: oai:DiVA.org:umu-148316DiVA, id: diva2:1212664
Konferens
UNESCO Chaired Conference on Technologies for Development, Tech4Dev 2018, Lausanne, Switzerland, June 27-29, 2018
Projekt
Sustainable Biomass Utilization in Sub-Saharan Africa for an Improved Environment and HealthTillgänglig från: 2018-06-03 Skapad: 2018-06-03 Senast uppdaterad: 2020-03-04Bibliografiskt granskad

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Carvalho, RicardoNyberg, GertBoman, Christoffer

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Carvalho, RicardoNyberg, GertBoman, Christoffer
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Institutionen för tillämpad fysik och elektronik
EnergisystemSkogsvetenskapLantbruksvetenskap, skogsbruk och fiske

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