dc.creator | Chacartegui, Ricardo | es |
dc.creator | Muñoz de Escalona, J. | es |
dc.creator | Becerra Villanueva, José Antonio | es |
dc.creator | Fernández Morales, Alonso | es |
dc.creator | Sánchez Martínez, David Tomás | es |
dc.date.accessioned | 2020-10-16T11:14:14Z | |
dc.date.available | 2020-10-16T11:14:14Z | |
dc.date.issued | 2013 | |
dc.identifier.citation | Chacartegui, R., Muñoz de Escalona, J., Becerra Villanueva, J.A., Fernández Morales, A. y Sánchez Martínez, D.T. (2013). Potential of ORC Systems to Retrofit CHP Plants in Wastewater Treatment Stations. Journal of Sustainable Development of Energy, Water and Environment Systems, 1 (4), 352-374. | |
dc.identifier.issn | 1848-9257 | es |
dc.identifier.uri | https://hdl.handle.net/11441/102014 | |
dc.description.abstract | Wastewater treatment stations take advantage of the biogas produced from sludge in
anaerobic digesters to generate electricity (reciprocating gas engines) and heat (cooling
water and engine exhaust gases). A fraction of this electricity is used to operate the plant
while the remaining is sold to the grid. Heat is almost entirely used to support the
endothermic anaerobic digestion and a minimum fraction of it is rejected to the
environment at a set of fan coolers. This generic description is applicable to on-design
conditions. Nevertheless, the operating conditions of the plant present a large seasonal
variation so it is commonly found that the fraction of heat rejected to the atmosphere
increases significantly at certain times of the year. Moreover, the heat available in the
exhaust gases of the reciprocating engine is at a very high temperature (around 650 ºC),
which is far from the temperature at which heat is needed for the digestion of sludge
(around 40 ºC in the digesters). This temperature difference offers an opportunity to
introduce an intermediate system between the engines and the digesters that makes use of
a fraction of the available heat to convert it into electricity. An Organic Rankine Cycle
(ORC) with an appropriate working fluid is an adequate candidate for these hot/cold
temperature sources. In this paper, the techno-economic effect of adding an Organic
Rankine Cycle as the intermediate system of an existing wastewater treatment station is
analysed. On this purpose, different working fluids and system layouts have been studied
for a reference wastewater treatment station giving rise to optimal systems
configurations. The proposed systems yield very promising results with regard to global
efficiency and electricity production (thermodynamically and economically). | es |
dc.format | application/pdf | es |
dc.format.extent | 23 p. | es |
dc.language.iso | eng | es |
dc.publisher | International Centre for Sustainable Development of Energy, Water and Environment Systems | es |
dc.rights | Attribution-NonCommercial-NoDerivatives 4.0 Internacional | * |
dc.rights.uri | http://creativecommons.org/licenses/by-nc-nd/4.0/ | * |
dc.subject | CHP | es |
dc.subject | Organic Rankine Cycle | es |
dc.subject | Wastewater treatment station | es |
dc.title | Potential of ORC Systems to Retrofit CHP Plants in Wastewater Treatment Stations | es |
dc.type | info:eu-repo/semantics/article | es |
dcterms.identifier | https://ror.org/03yxnpp24 | |
dc.type.version | info:eu-repo/semantics/publishedVersion | es |
dc.rights.accessRights | info:eu-repo/semantics/openAccess | es |
dc.contributor.affiliation | Universidad de Sevilla. Departamento de Ingeniería Energética | es |
dc.relation.publisherversion | http://www.sdewes.org/jsdewes/pi2013.01.0027 | es |
dc.identifier.doi | 10.13044/j.sdewes.2013.01.0027 | es |
dc.journaltitle | Journal of Sustainable Development of Energy, Water and Environment Systems | es |
dc.publication.volumen | 1 | es |
dc.publication.issue | 4 | es |
dc.publication.initialPage | 352 | es |
dc.publication.endPage | 374 | es |
dc.identifier.sisius | 21032531 | es |