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Techno-economic feasibility assessment of a biomass cogeneration plant based on an Organic Rankine Cycle

Biomass-fueled Organic Rankine Cycle power plants in a cogeneration topping layout have been operated in Central Europe since 2000. These plants are usually integrated into a district heating system and located near to the villages whose thermal and electric energy demands are to be covered. In this... Full description

Journal Title: Renewable energy 2014-06, Vol.66, p.707-713
Main Author: Uris, María
Other Authors: Linares, José Ignacio , Arenas, Eva
Format: Electronic Article Electronic Article
Language: English
Subjects:
ORC
Quelle: Alma/SFX Local Collection
Publisher: Oxford: Elsevier Ltd
ID: ISSN: 0960-1481
Link: http://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=28373005
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recordid: cdi_proquest_miscellaneous_1671569061
title: Techno-economic feasibility assessment of a biomass cogeneration plant based on an Organic Rankine Cycle
format: Article
creator:
  • Uris, María
  • Linares, José Ignacio
  • Arenas, Eva
subjects:
  • Analysis
  • Applied sciences
  • Assessments
  • Biomass
  • Cogeneration
  • Cogeneration power plants
  • Cogeneration with biomass
  • District heating
  • District heating and refrigerating
  • Energy
  • Energy. Thermal use of fuels
  • Exact sciences and technology
  • Feasibility
  • Heating, air conditioning and ventilation
  • Markets
  • Natural energy
  • ORC
  • Plants (organisms)
  • Power plants
  • Prices and rates
  • Profitability
  • Silicon oils
  • Space heating. Hot water
  • Toluene
ispartof: Renewable energy, 2014-06, Vol.66, p.707-713
description: Biomass-fueled Organic Rankine Cycle power plants in a cogeneration topping layout have been operated in Central Europe since 2000. These plants are usually integrated into a district heating system and located near to the villages whose thermal and electric energy demands are to be covered. In this paper, a technical and economic feasibility assessment of this kind of plants is presented. The energy performance has been analyzed in different scenarios. Four different typical organic fluids (two silicone oils, toluene and isopentane), subcritical and supercritical cycles and the inclusion of a recuperator have been considered. Thermal and electric energy are sold to a nearby village at competitive market prices. Spanish market prices have been used as a reference. No subsidies have been considered in the case of electricity, so that the Spanish average power pool market price has been considered. The size of the plant, the cost of biomass and the annual operation schedule have been considered for the economical analysis. According to the technical analysis, hexamethyldisiloxane (HMDSO) in recuperative cycles has turned out to be the best choice in both the subcritical and the supercritical layouts, due to its favorable global behavior (harmfulness, reliability and efficiency). The economic assessment shows a lower profitability in the case of supercritical cycles because of the fact that the increase in electric efficiency implies a decrease in the amount of produced useful heat, which is the main source of cash inflow. The size of the plant can be established according to the cost of fuel in order to achieve a similar profitability (i.e. a 1 MWe plant fueled with biomass priced at 5.5 €/MWhth has a similar internal rate of return than a 2 MWe plant fueled with biomass priced at 15.5 €/MWhth). In order to obtain a 5% internal rate of return with subcritical recuperative plants, the annual operation time must be 2750 h in the case of a 2 MWe plant fueled with biomass priced at 5.5 €/MWhth and 5500 h in the case of a 1 MWe plant fueled with biomass priced at 15.5 €/MWhth. •Different layouts and working fluids in biomass CHP plant based on ORC have been done.•Economical and technical feasibility study has been carried out.•Useful heat has been revealed as a key parameter in economic feasibility.•Recuperative subcritical working cycle with HMDSO is the best option.•Profitability can be achieved combining size of the plant and cost of fuel.
language: eng
source: Alma/SFX Local Collection
identifier: ISSN: 0960-1481
fulltext: fulltext
issn:
  • 0960-1481
  • 1879-0682
url: Link


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descriptionBiomass-fueled Organic Rankine Cycle power plants in a cogeneration topping layout have been operated in Central Europe since 2000. These plants are usually integrated into a district heating system and located near to the villages whose thermal and electric energy demands are to be covered. In this paper, a technical and economic feasibility assessment of this kind of plants is presented. The energy performance has been analyzed in different scenarios. Four different typical organic fluids (two silicone oils, toluene and isopentane), subcritical and supercritical cycles and the inclusion of a recuperator have been considered. Thermal and electric energy are sold to a nearby village at competitive market prices. Spanish market prices have been used as a reference. No subsidies have been considered in the case of electricity, so that the Spanish average power pool market price has been considered. The size of the plant, the cost of biomass and the annual operation schedule have been considered for the economical analysis. According to the technical analysis, hexamethyldisiloxane (HMDSO) in recuperative cycles has turned out to be the best choice in both the subcritical and the supercritical layouts, due to its favorable global behavior (harmfulness, reliability and efficiency). The economic assessment shows a lower profitability in the case of supercritical cycles because of the fact that the increase in electric efficiency implies a decrease in the amount of produced useful heat, which is the main source of cash inflow. The size of the plant can be established according to the cost of fuel in order to achieve a similar profitability (i.e. a 1 MWe plant fueled with biomass priced at 5.5 €/MWhth has a similar internal rate of return than a 2 MWe plant fueled with biomass priced at 15.5 €/MWhth). In order to obtain a 5% internal rate of return with subcritical recuperative plants, the annual operation time must be 2750 h in the case of a 2 MWe plant fueled with biomass priced at 5.5 €/MWhth and 5500 h in the case of a 1 MWe plant fueled with biomass priced at 15.5 €/MWhth. •Different layouts and working fluids in biomass CHP plant based on ORC have been done.•Economical and technical feasibility study has been carried out.•Useful heat has been revealed as a key parameter in economic feasibility.•Recuperative subcritical working cycle with HMDSO is the best option.•Profitability can be achieved combining size of the plant and cost of fuel.
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subjectAnalysis ; Applied sciences ; Assessments ; Biomass ; Cogeneration ; Cogeneration power plants ; Cogeneration with biomass ; District heating ; District heating and refrigerating ; Energy ; Energy. Thermal use of fuels ; Exact sciences and technology ; Feasibility ; Heating, air conditioning and ventilation ; Markets ; Natural energy ; ORC ; Plants (organisms) ; Power plants ; Prices and rates ; Profitability ; Silicon oils ; Space heating. Hot water ; Toluene
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descriptionBiomass-fueled Organic Rankine Cycle power plants in a cogeneration topping layout have been operated in Central Europe since 2000. These plants are usually integrated into a district heating system and located near to the villages whose thermal and electric energy demands are to be covered. In this paper, a technical and economic feasibility assessment of this kind of plants is presented. The energy performance has been analyzed in different scenarios. Four different typical organic fluids (two silicone oils, toluene and isopentane), subcritical and supercritical cycles and the inclusion of a recuperator have been considered. Thermal and electric energy are sold to a nearby village at competitive market prices. Spanish market prices have been used as a reference. No subsidies have been considered in the case of electricity, so that the Spanish average power pool market price has been considered. The size of the plant, the cost of biomass and the annual operation schedule have been considered for the economical analysis. According to the technical analysis, hexamethyldisiloxane (HMDSO) in recuperative cycles has turned out to be the best choice in both the subcritical and the supercritical layouts, due to its favorable global behavior (harmfulness, reliability and efficiency). The economic assessment shows a lower profitability in the case of supercritical cycles because of the fact that the increase in electric efficiency implies a decrease in the amount of produced useful heat, which is the main source of cash inflow. The size of the plant can be established according to the cost of fuel in order to achieve a similar profitability (i.e. a 1 MWe plant fueled with biomass priced at 5.5 €/MWhth has a similar internal rate of return than a 2 MWe plant fueled with biomass priced at 15.5 €/MWhth). In order to obtain a 5% internal rate of return with subcritical recuperative plants, the annual operation time must be 2750 h in the case of a 2 MWe plant fueled with biomass priced at 5.5 €/MWhth and 5500 h in the case of a 1 MWe plant fueled with biomass priced at 15.5 €/MWhth. •Different layouts and working fluids in biomass CHP plant based on ORC have been done.•Economical and technical feasibility study has been carried out.•Useful heat has been revealed as a key parameter in economic feasibility.•Recuperative subcritical working cycle with HMDSO is the best option.•Profitability can be achieved combining size of the plant and cost of fuel.
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abstractBiomass-fueled Organic Rankine Cycle power plants in a cogeneration topping layout have been operated in Central Europe since 2000. These plants are usually integrated into a district heating system and located near to the villages whose thermal and electric energy demands are to be covered. In this paper, a technical and economic feasibility assessment of this kind of plants is presented. The energy performance has been analyzed in different scenarios. Four different typical organic fluids (two silicone oils, toluene and isopentane), subcritical and supercritical cycles and the inclusion of a recuperator have been considered. Thermal and electric energy are sold to a nearby village at competitive market prices. Spanish market prices have been used as a reference. No subsidies have been considered in the case of electricity, so that the Spanish average power pool market price has been considered. The size of the plant, the cost of biomass and the annual operation schedule have been considered for the economical analysis. According to the technical analysis, hexamethyldisiloxane (HMDSO) in recuperative cycles has turned out to be the best choice in both the subcritical and the supercritical layouts, due to its favorable global behavior (harmfulness, reliability and efficiency). The economic assessment shows a lower profitability in the case of supercritical cycles because of the fact that the increase in electric efficiency implies a decrease in the amount of produced useful heat, which is the main source of cash inflow. The size of the plant can be established according to the cost of fuel in order to achieve a similar profitability (i.e. a 1 MWe plant fueled with biomass priced at 5.5 €/MWhth has a similar internal rate of return than a 2 MWe plant fueled with biomass priced at 15.5 €/MWhth). In order to obtain a 5% internal rate of return with subcritical recuperative plants, the annual operation time must be 2750 h in the case of a 2 MWe plant fueled with biomass priced at 5.5 €/MWhth and 5500 h in the case of a 1 MWe plant fueled with biomass priced at 15.5 €/MWhth. •Different layouts and working fluids in biomass CHP plant based on ORC have been done.•Economical and technical feasibility study has been carried out.•Useful heat has been revealed as a key parameter in economic feasibility.•Recuperative subcritical working cycle with HMDSO is the best option.•Profitability can be achieved combining size of the plant and cost of fuel.
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doi10.1016/j.renene.2014.01.022