Biogas, Solar and Geothermal Energy—The Way to a Net-Zero Energy Wastewater Treatment Plant—A Case Study

Wastewater treatment plants designed to meet the requirements of discharging wastewater to a receiving water body are often not energy optimised. Energy requirements for conventional activated sludge wastewater treatment plants are estimated to range from 0.30 to 1.2 kWh/m<sup>3</sup>, w...

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Autores principales:	Sylwia Myszograj, Dariusz Bocheński, Mirosław Mąkowski, Ewelina Płuciennik-Koropczuk
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	wastewater treatment plant solar energy biogas geothermal energy energy balance Technology T
Acceso en línea:	https://doaj.org/article/74acb26e65bb4476b5c53e6a7278e64c
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id	oai:doaj.org-article:74acb26e65bb4476b5c53e6a7278e64c
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spelling	oai:doaj.org-article:74acb26e65bb4476b5c53e6a7278e64c2021-11-11T15:44:21ZBiogas, Solar and Geothermal Energy—The Way to a Net-Zero Energy Wastewater Treatment Plant—A Case Study10.3390/en142168981996-1073https://doaj.org/article/74acb26e65bb4476b5c53e6a7278e64c2021-10-01T00:00:00Zhttps://www.mdpi.com/1996-1073/14/21/6898https://doaj.org/toc/1996-1073Wastewater treatment plants designed to meet the requirements of discharging wastewater to a receiving water body are often not energy optimised. Energy requirements for conventional activated sludge wastewater treatment plants are estimated to range from 0.30 to 1.2 kWh/m<sup>3</sup>, with the highest values achieved using the nitrification process. This article describes the energy optimisation process of the wastewater treatment plant in Gubin (Poland) designed for 90,000 PE (population equivalent) using renewable energy sources: solar, biogas, and geothermal. At the analysed wastewater treatment plant electricity consumption for treating 1 m<sup>3</sup> of wastewater was 0.679 kWh in 2020. The combined production of electricity and heat from biogas, the production of electricity in a photovoltaic system, and heat recovery in a geothermal process make it possible to obtain a surplus of heat in relation to its demand in the wastewater treatment plant, and to cover the demand for electricity, with the possibility of also selling it to the power grid.Sylwia MyszograjDariusz BocheńskiMirosław MąkowskiEwelina Płuciennik-KoropczukMDPI AGarticlewastewater treatment plantsolar energybiogasgeothermal energyenergy balanceTechnologyTENEnergies, Vol 14, Iss 6898, p 6898 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	wastewater treatment plant solar energy biogas geothermal energy energy balance Technology T
spellingShingle	wastewater treatment plant solar energy biogas geothermal energy energy balance Technology T Sylwia Myszograj Dariusz Bocheński Mirosław Mąkowski Ewelina Płuciennik-Koropczuk Biogas, Solar and Geothermal Energy—The Way to a Net-Zero Energy Wastewater Treatment Plant—A Case Study
description	Wastewater treatment plants designed to meet the requirements of discharging wastewater to a receiving water body are often not energy optimised. Energy requirements for conventional activated sludge wastewater treatment plants are estimated to range from 0.30 to 1.2 kWh/m<sup>3</sup>, with the highest values achieved using the nitrification process. This article describes the energy optimisation process of the wastewater treatment plant in Gubin (Poland) designed for 90,000 PE (population equivalent) using renewable energy sources: solar, biogas, and geothermal. At the analysed wastewater treatment plant electricity consumption for treating 1 m<sup>3</sup> of wastewater was 0.679 kWh in 2020. The combined production of electricity and heat from biogas, the production of electricity in a photovoltaic system, and heat recovery in a geothermal process make it possible to obtain a surplus of heat in relation to its demand in the wastewater treatment plant, and to cover the demand for electricity, with the possibility of also selling it to the power grid.
format	article
author	Sylwia Myszograj Dariusz Bocheński Mirosław Mąkowski Ewelina Płuciennik-Koropczuk
author_facet	Sylwia Myszograj Dariusz Bocheński Mirosław Mąkowski Ewelina Płuciennik-Koropczuk
author_sort	Sylwia Myszograj
title	Biogas, Solar and Geothermal Energy—The Way to a Net-Zero Energy Wastewater Treatment Plant—A Case Study
title_short	Biogas, Solar and Geothermal Energy—The Way to a Net-Zero Energy Wastewater Treatment Plant—A Case Study
title_full	Biogas, Solar and Geothermal Energy—The Way to a Net-Zero Energy Wastewater Treatment Plant—A Case Study
title_fullStr	Biogas, Solar and Geothermal Energy—The Way to a Net-Zero Energy Wastewater Treatment Plant—A Case Study
title_full_unstemmed	Biogas, Solar and Geothermal Energy—The Way to a Net-Zero Energy Wastewater Treatment Plant—A Case Study
title_sort	biogas, solar and geothermal energy—the way to a net-zero energy wastewater treatment plant—a case study
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/74acb26e65bb4476b5c53e6a7278e64c
work_keys_str_mv	AT sylwiamyszograj biogassolarandgeothermalenergythewaytoanetzeroenergywastewatertreatmentplantacasestudy AT dariuszbochenski biogassolarandgeothermalenergythewaytoanetzeroenergywastewatertreatmentplantacasestudy AT mirosławmakowski biogassolarandgeothermalenergythewaytoanetzeroenergywastewatertreatmentplantacasestudy AT ewelinapłuciennikkoropczuk biogassolarandgeothermalenergythewaytoanetzeroenergywastewatertreatmentplantacasestudy
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Biogas, Solar and Geothermal Energy—The Way to a Net-Zero Energy Wastewater Treatment Plant—A Case Study

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