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Solutions for improving the energy efficiency in wastewater treatment plants based on solid oxide fuel cell technology. / Gandiglio, Marta; Saberi Mehr, Ali; MosayebNezhad, Mohsen; Lanzini, Andrea; Santarelli, Massimo.

In: Journal of Cleaner Production, Vol. 247, 119080, 2020.

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Gandiglio, Marta ; Saberi Mehr, Ali ; MosayebNezhad, Mohsen ; Lanzini, Andrea ; Santarelli, Massimo. / Solutions for improving the energy efficiency in wastewater treatment plants based on solid oxide fuel cell technology. In: Journal of Cleaner Production. 2020 ; Vol. 247.

BibTeX

@article{6cf4318183a14644bcf7cd3b7c30ce57,
title = "Solutions for improving the energy efficiency in wastewater treatment plants based on solid oxide fuel cell technology",
abstract = "Polygeneration configurations for small power generation systems offer significant potential for energy saving and reducing carbon emissions in wastewater treatment facilities. In this work, a biogas-fed solid oxide fuel cell system operating in a wastewater treatment plant (located in Turin, Italy) is analyzed in terms of its potential improvements through novel polygeneration systems. In its present combined heat and power configuration, along with electrical power, thermal energy from the exhaust gas is recovered to provide required heat to the plant's anaerobic digester. The analysis is focusing on different energy efficiency solutions for this type of plant by using solar thermal collectors, microturbines, a trilateral Rankine cycle, and an absorption chiller. Results reveal that, despite of higher efficiency for the trigeneration case using both trilateral Rankine cycle and absorption chiller (up to 88.4{\%}), the solar integrated system results in the lowest natural gas consumption, which is 38.5{\%} lower than the baseline scenario. This same scenario is also the worst in economic terms due to the high capital costs of solar collectors. In a short-term cost trajectory of the solid oxide fuel cell technology, the most economically favorable scenario is the microturbine integrated case in which the calculated levelized cost of electricity is 0.11 €/kWh, lower than grid electricity price, and with payback time of 6.5 years. Long-term cost trajectory is indeed generating effective investments for all of the four scenarios with payback time between 3 and 5 years in all cases. The analysis has been developed to the entire European Union area: the most suitable market conditions are found in Germany, Denmark, Slovakia, and Italy.",
keywords = "Biogas, Economic analysis, Microturbine, Solar thermal system, Solid oxide fuel cell, Trilateral rankine cycle",
author = "Marta Gandiglio and {Saberi Mehr}, Ali and Mohsen MosayebNezhad and Andrea Lanzini and Massimo Santarelli",
year = "2020",
doi = "10.1016/j.jclepro.2019.119080",
language = "English",
volume = "247",
journal = "Journal of Cleaner Production",
issn = "0959-6526",
publisher = "Elsevier",

}

RIS

TY - JOUR

T1 - Solutions for improving the energy efficiency in wastewater treatment plants based on solid oxide fuel cell technology

AU - Gandiglio, Marta

AU - Saberi Mehr, Ali

AU - MosayebNezhad, Mohsen

AU - Lanzini, Andrea

AU - Santarelli, Massimo

PY - 2020

Y1 - 2020

N2 - Polygeneration configurations for small power generation systems offer significant potential for energy saving and reducing carbon emissions in wastewater treatment facilities. In this work, a biogas-fed solid oxide fuel cell system operating in a wastewater treatment plant (located in Turin, Italy) is analyzed in terms of its potential improvements through novel polygeneration systems. In its present combined heat and power configuration, along with electrical power, thermal energy from the exhaust gas is recovered to provide required heat to the plant's anaerobic digester. The analysis is focusing on different energy efficiency solutions for this type of plant by using solar thermal collectors, microturbines, a trilateral Rankine cycle, and an absorption chiller. Results reveal that, despite of higher efficiency for the trigeneration case using both trilateral Rankine cycle and absorption chiller (up to 88.4%), the solar integrated system results in the lowest natural gas consumption, which is 38.5% lower than the baseline scenario. This same scenario is also the worst in economic terms due to the high capital costs of solar collectors. In a short-term cost trajectory of the solid oxide fuel cell technology, the most economically favorable scenario is the microturbine integrated case in which the calculated levelized cost of electricity is 0.11 €/kWh, lower than grid electricity price, and with payback time of 6.5 years. Long-term cost trajectory is indeed generating effective investments for all of the four scenarios with payback time between 3 and 5 years in all cases. The analysis has been developed to the entire European Union area: the most suitable market conditions are found in Germany, Denmark, Slovakia, and Italy.

AB - Polygeneration configurations for small power generation systems offer significant potential for energy saving and reducing carbon emissions in wastewater treatment facilities. In this work, a biogas-fed solid oxide fuel cell system operating in a wastewater treatment plant (located in Turin, Italy) is analyzed in terms of its potential improvements through novel polygeneration systems. In its present combined heat and power configuration, along with electrical power, thermal energy from the exhaust gas is recovered to provide required heat to the plant's anaerobic digester. The analysis is focusing on different energy efficiency solutions for this type of plant by using solar thermal collectors, microturbines, a trilateral Rankine cycle, and an absorption chiller. Results reveal that, despite of higher efficiency for the trigeneration case using both trilateral Rankine cycle and absorption chiller (up to 88.4%), the solar integrated system results in the lowest natural gas consumption, which is 38.5% lower than the baseline scenario. This same scenario is also the worst in economic terms due to the high capital costs of solar collectors. In a short-term cost trajectory of the solid oxide fuel cell technology, the most economically favorable scenario is the microturbine integrated case in which the calculated levelized cost of electricity is 0.11 €/kWh, lower than grid electricity price, and with payback time of 6.5 years. Long-term cost trajectory is indeed generating effective investments for all of the four scenarios with payback time between 3 and 5 years in all cases. The analysis has been developed to the entire European Union area: the most suitable market conditions are found in Germany, Denmark, Slovakia, and Italy.

KW - Biogas

KW - Economic analysis

KW - Microturbine

KW - Solar thermal system

KW - Solid oxide fuel cell

KW - Trilateral rankine cycle

UR - http://www.scopus.com/inward/record.url?scp=85075337460&partnerID=8YFLogxK

U2 - 10.1016/j.jclepro.2019.119080

DO - 10.1016/j.jclepro.2019.119080

M3 - Article

VL - 247

JO - Journal of Cleaner Production

T2 - Journal of Cleaner Production

JF - Journal of Cleaner Production

SN - 0959-6526

M1 - 119080

ER -

ID: 67178740