Waste heat recovery from a landfill gas-fired power plant

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dc.contributor.author Gewald, D en
dc.contributor.author Siokos, K en
dc.contributor.author Karellas, S en
dc.contributor.author Spliethoff, H en
dc.date.accessioned 2014-03-01T11:47:20Z
dc.date.available 2014-03-01T11:47:20Z
dc.date.issued 2012 en
dc.identifier.issn 13640321 en
dc.identifier.uri http://hdl.handle.net/123456789/38133
dc.subject Internal combustion engine (ICE) en
dc.subject Landfill gas en
dc.subject Organic-Rankine Cycle (ORC) en
dc.subject Waste heat recovery en
dc.subject Water/steam cycle en
dc.subject.other Combustion pro-cess en
dc.subject.other Electric power en
dc.subject.other Electrical efficiency en
dc.subject.other Electricity production en
dc.subject.other Engine cooling en
dc.subject.other Gas-fired power plants en
dc.subject.other Heating value en
dc.subject.other High population density en
dc.subject.other Installed capacity en
dc.subject.other Internal combustion engines (ICE) en
dc.subject.other Landfill gas en
dc.subject.other Landfilling en
dc.subject.other Load response en
dc.subject.other Minimal cost en
dc.subject.other Municipal waste en
dc.subject.other Organic Rankine cycles en
dc.subject.other Organic-Rankine Cycle (ORC) en
dc.subject.other Power station en
dc.subject.other Specific cost en
dc.subject.other Thermodynamic cycle en
dc.subject.other Thermodynamic efficiency en
dc.subject.other Waste-heat recovery en
dc.subject.other Anaerobic digestion en
dc.subject.other Biogas en
dc.subject.other Economic analysis en
dc.subject.other Ice en
dc.subject.other Internal combustion engines en
dc.subject.other Population statistics en
dc.subject.other Power plants en
dc.subject.other Rankine cycle en
dc.subject.other Thermodynamic properties en
dc.subject.other Waste heat en
dc.subject.other Waste incineration en
dc.subject.other Electric power generation en
dc.title Waste heat recovery from a landfill gas-fired power plant en
heal.type other en
heal.identifier.primary 10.1016/j.rser.2012.01.036 en
heal.identifier.secondary http://dx.doi.org/10.1016/j.rser.2012.01.036 en
heal.publicationDate 2012 en
heal.abstract Waste treatment and management is a certain challenge especially in areas with high population density. One of the options for waste treatment is landfilling, where the amount of municipal waste also produces landfill gas through anaerobic digestion. The heating value of the landfill gas is high enough to use it as a fuel in combustion processes, e.g. in internal combustion engines (ICEs) to produce electric power. In Ano Liosia, Athens (Greece) up to 6000 tons of waste are landfilled every day and the landfill gas is used in an ICE power station directly at the site of the landfill. The power station consists of 15 ICEs and has an installed capacity of 23.5 MW. The major advantages of using ICE for power generation are the high electrical efficiency of ICEs and their fast load response. However, more than 50 of the landfill gas energy content is still released to the atmosphere as engine waste heat (exhaust gas and engine cooling water). The aim of this paper is to study the possibilities of using this large amount of heat in order to increase the electricity production and efficiency of the Ano Liosia power station. Therefore, a thermodynamic and economic analysis of two different waste heat recovery (WHR) systems is conducted. The water/steam cycle and the Organic Rankine Cycle (ORC) are examined and evaluated by means of thermodynamic cycle simulation and by calculating their specific costs of power generation. Their advantages and disadvantages considering their application in landfillgas-fired ICE power stations are discussed under the consideration of maximal thermodynamic efficiency and minimal costs of power generation. © 2012 Elsevier Ltd. All rights reserved. en
heal.journalName Renewable and Sustainable Energy Reviews en
dc.identifier.doi 10.1016/j.rser.2012.01.036 en
dc.identifier.volume 16 en
dc.identifier.issue 4 en
dc.identifier.spage 1779 en
dc.identifier.epage 1789 en

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