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Título
A multiscale analysis approach for the valorization of sludge and MSW via co-incineration.
Autor(es)
Palabras clave
Waste incineration
Waste to power
Water consumption
Water Energy nexus
Circular economy
Clasificación UNESCO
Industria química
Fecha de publicación
2023
Citación
Sofía González-Núñez, Lidia S. Guerras, Mariano Martín, A multiscale analysis approach for the valorization of sludge and MSW via co-incineration, Energy, Volume 263, Part E, 2023, 126081, ISSN 0360-5442, https://doi.org/10.1016/j.energy.2022.126081. (https://www.sciencedirect.com/science/article/pii/S036054422202967X)
Resumen
[EN]The use of municipal solid waste and sludge within the waste to power initiative is evaluated following a
multiscale approach. A techno-economic analysis is performed following a systematic procedure to determine the
optimal operating conditions and to estimate the production and investment costs of the facilities as a function of
the waste processing capacity. The facility consists of the boiler, the flue gas treatment chain, the turbine, and the
cooling tower. Experimental data and first principles are used to model the boiler and the pollutant abatement
technologies, while detailed thermodynamics and transport phenomena are used to model the turbine and the
cooling tower to optimize the process using an equation-based approach. For the facility to produce power at a
competitive price, 0.06 €/kWh, it has to process the waste generated at cities above 250 k habitants. The investment
cost is beyond 30 M€ where gas treatment represents around 19%, with the turbine and the boiler
representing 37% and 31% respectively. The rest corresponds to the cooling system. Next, at country level, a
multiobjective facility location problem is formulated. From an economic point of view, only the largest cities
would be selected. However, aiming at a social objective, power at a competitive price can be produced by
selecting the appropriate locations for a budget available. The water - energy nexus is also evaluated for the
facilities installed.
URI
ISSN
0360-5442
Versión del editor
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- PSEM3. Artículos [39]
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