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Biogas based polygeneration plant options utilizing dairy farms waste: A Bolivian case
KTH, School of Industrial Engineering and Management (ITM), Energy Technology.ORCID iD: 0000-0002-2335-6574
Linnaeus Univ, Dept Built Environm & Energy Technol, S-35195 Vaxjo, Sweden..
Univ Reg Amazon Ikiam, Biomass Resources Grp, Tena, Ecuador.;CIMNE, Bldg Energy & Environm Grp, Edifici GAIA TR14,C Rambla St Nebridi 22, Barcelona 08222, Spain..
KTH, School of Industrial Engineering and Management (ITM), Energy Technology, Heat and Power Technology. KTH Royal Inst Technol, Sch Ind Technol & Management ITM, Dept Energy Technol, SE-10044 Stockholm, Sweden..ORCID iD: 0000-0002-4479-344X
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2020 (English)In: Sustainable Energy Technologies and Assessments, ISSN 2213-1388, E-ISSN 2213-1396, Vol. 37, article id UNSP 100571Article in journal (Refereed) Published
Abstract [en]

This study presents a comparative techno-economic feasibility analysis for two polygeneration plant solutions, applied to low-income dairy farms in Bolivia. The first option considers an internally fired microturbine (IFMT) and, the second, an internal combustion engine (ICE). They are integrated with an absorption refrigeration system and a fertilizer dryer. Biogas, produced with farms waste, fuels these power generators. The levelized costs of biogas for cooking, electricity, cooling and fertilizers were determined. The cost of biogas, for both options, was found to be 0.020 USD/kWh, which is lower than the subsidized price of LPG. The most competitive cost of electricity was determined for the ICE plant option; it was found to be 0.082 USD/kWh and is lower than the subsidized cost of fossil fuel-based electricity. The cost of cooling was found to be around 0.082 USD/kWh, which is slightly higher than the cost of cooling supplied by using grid electricity. In a realistic scenario, the shorter payback period was found to be 4.4 years for the ICE plant option. From this, the ICE-based plant was found as the most feasible option. Additionally, if no subsidies are applied to the fossil fuel-based services, the proposed polygeneration systems are a highly competitive alternative.

Place, publisher, year, edition, pages
ELSEVIER , 2020. Vol. 37, article id UNSP 100571
Keywords [en]
Polygeneration plant, Techno-economic study, Biogas, Dairy farm, Energy services, Electricity, Cooling, Fertilizer
National Category
Energy Systems
Identifiers
URN: urn:nbn:se:kth:diva-270895DOI: 10.1016/j.seta.2019.100571ISI: 000514838400008Scopus ID: 2-s2.0-85075041947OAI: oai:DiVA.org:kth-270895DiVA, id: diva2:1416643
Note

QC 20200324

Available from: 2020-03-24 Created: 2020-03-24 Last updated: 2020-03-24Bibliographically approved

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Villarroel-Schneider, JhonnyMalmquist, AndersMartin, Andrew R.

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