Estimating the Carbon Footprint of Microbial Electrolysis Cells in Wastewater Treatment Plants: Case Study

Microbial Electrolysis Cells are devices capable of converting the organic fraction present in the wastewaters into hydrogen. Integrating this relatively new technology into wastewater treatment plants can improve the energy balance and result in significant savings in greenhouse gases emissions. Ho...

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Main Authors: Laura Gil-Carrera, Guillermo Pelaz, Raúl Mateos, Adrián Escapa
Format: Article
Language:English
Published: SDEWES Centre 2020-09-01
Series:Journal of Sustainable Development of Energy, Water and Environment Systems
Subjects:
Online Access: http://www.sdewes.org/jsdewes/pid7.0296
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author Laura Gil-Carrera
Guillermo Pelaz
Raúl Mateos
Adrián Escapa
author_facet Laura Gil-Carrera
Guillermo Pelaz
Raúl Mateos
Adrián Escapa
author_sort Laura Gil-Carrera
collection DOAJ
description Microbial Electrolysis Cells are devices capable of converting the organic fraction present in the wastewaters into hydrogen. Integrating this relatively new technology into wastewater treatment plants can improve the energy balance and result in significant savings in greenhouse gases emissions. However, there are not many studies available in the scientific literature on the carbon footprint of these systems. This paper compares carbon footprint of a wastewater treatment plant located in South Spain, to the carbon footprint of this same plant in which the aerobic treatment is partially replaced by a Microbial Electrolysis Cell. The carbon footprint attributed to the construction of the plants was similar in both cases. However, the wastewater treatment plant with the Microbial Electrolysis Cell system would allow mitigating up to 2,700 t CO2-equivalents, which represents a 42% saving in greenhouse gas emissions compared to the existing wastewater treatment plants.
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spelling doaj.art-49503957baca48e99f8f5704096fcde82022-12-21T23:10:46ZengSDEWES CentreJournal of Sustainable Development of Energy, Water and Environment Systems1848-92572020-09-018353754610.13044/j.sdewes.d7.029600296Estimating the Carbon Footprint of Microbial Electrolysis Cells in Wastewater Treatment Plants: Case StudyLaura Gil-Carrera0Guillermo Pelaz1Raúl Mateos2Adrián Escapa3 Chemical and Environmental Bioprocess Engineering Group, Natural Resources Institute (IRENA), University of León, Av. de Portugal 41, 24009 León, Spain Chemical and Environmental Bioprocess Engineering Group, Natural Resources Institute (IRENA), University of León, Av. de Portugal 41, 24009 León, Spain Chemical and Environmental Bioprocess Engineering Group, Natural Resources Institute (IRENA), University of León, Av. de Portugal 41, 24009 León, Spain Chemical and Environmental Bioprocess Engineering Group, Natural Resources Institute (IRENA), University of León, Av. de Portugal 41, 24009 León, Spain Microbial Electrolysis Cells are devices capable of converting the organic fraction present in the wastewaters into hydrogen. Integrating this relatively new technology into wastewater treatment plants can improve the energy balance and result in significant savings in greenhouse gases emissions. However, there are not many studies available in the scientific literature on the carbon footprint of these systems. This paper compares carbon footprint of a wastewater treatment plant located in South Spain, to the carbon footprint of this same plant in which the aerobic treatment is partially replaced by a Microbial Electrolysis Cell. The carbon footprint attributed to the construction of the plants was similar in both cases. However, the wastewater treatment plant with the Microbial Electrolysis Cell system would allow mitigating up to 2,700 t CO2-equivalents, which represents a 42% saving in greenhouse gas emissions compared to the existing wastewater treatment plants. http://www.sdewes.org/jsdewes/pid7.0296 microbial electrolysis cellcarbon footprintgreenhouse gaswastewater treatment planthydrogen productiondomestic wastewater.
spellingShingle Laura Gil-Carrera
Guillermo Pelaz
Raúl Mateos
Adrián Escapa
Estimating the Carbon Footprint of Microbial Electrolysis Cells in Wastewater Treatment Plants: Case Study
Journal of Sustainable Development of Energy, Water and Environment Systems
microbial electrolysis cell
carbon footprint
greenhouse gas
wastewater treatment plant
hydrogen production
domestic wastewater.
title Estimating the Carbon Footprint of Microbial Electrolysis Cells in Wastewater Treatment Plants: Case Study
title_full Estimating the Carbon Footprint of Microbial Electrolysis Cells in Wastewater Treatment Plants: Case Study
title_fullStr Estimating the Carbon Footprint of Microbial Electrolysis Cells in Wastewater Treatment Plants: Case Study
title_full_unstemmed Estimating the Carbon Footprint of Microbial Electrolysis Cells in Wastewater Treatment Plants: Case Study
title_short Estimating the Carbon Footprint of Microbial Electrolysis Cells in Wastewater Treatment Plants: Case Study
title_sort estimating the carbon footprint of microbial electrolysis cells in wastewater treatment plants case study
topic microbial electrolysis cell
carbon footprint
greenhouse gas
wastewater treatment plant
hydrogen production
domestic wastewater.
url http://www.sdewes.org/jsdewes/pid7.0296
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