Reducing energy demand by the combined application of advanced control strategies in a full scale WWTP

Two advanced control strategies were applied in the secondary and tertiary stages, respectively, of a full scale wastewater treatment plant (WWTP). This has a nominal capacity of 330,000 population equivalent (PE), a complex configuration (having been upgraded several times through the years), and i...

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Autores principales:	G. Bertanza, P. Baroni, S. Garzetti, F. Martinelli
Formato:	article
Lenguaje:	EN
Publicado:	IWA Publishing 2021
Materias:	fuzzy logic innovative controller nitrification phosphorus removal power consumption pumping Environmental technology. Sanitary engineering TD1-1066
Acceso en línea:	https://doaj.org/article/3d27fca45236407db2f58366f4e1a5cf
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spelling	oai:doaj.org-article:3d27fca45236407db2f58366f4e1a5cf2021-11-06T10:55:59ZReducing energy demand by the combined application of advanced control strategies in a full scale WWTP0273-12231996-973210.2166/wst.2021.109https://doaj.org/article/3d27fca45236407db2f58366f4e1a5cf2021-04-01T00:00:00Zhttp://wst.iwaponline.com/content/83/8/1813https://doaj.org/toc/0273-1223https://doaj.org/toc/1996-9732Two advanced control strategies were applied in the secondary and tertiary stages, respectively, of a full scale wastewater treatment plant (WWTP). This has a nominal capacity of 330,000 population equivalent (PE), a complex configuration (having been upgraded several times through the years), and it faces significant seasonal load fluctuations (being located in a touristic area, in Northern Italy). The lifting station of the tertiary treatments (devoted to phosphorus precipitation and UV disinfection) was optimized by adjusting the pumped flowrate, depending on influent phosphorus concentration. A preliminary simulation showed that a 15% reduction of pumping energy could be achieved. This result was confirmed by field measurements. Moreover, a fuzzy control system was designed and applied to one of the six parallel nitrification reactors, yielding a reduction of more than 25% of the power requirement for aeration. Overall, the combined application of the two controllers led to a 7% reduction of the total energy consumption of the plant. This result is particularly promising given that the fuzzy controller was applied only to one of six biological reactors. HIGHLIGHTS Smart control strategies are required for WWTPs: fuzzy logic was adopted for aeration.; Full scale demonstrations of control strategies are rarely described in the literature.; A significant energy demand reduction has been achieved in a real scale WWTP.; The potential of plant-wide application of combined control strategies has been demonstrated.; The designed controllers are highly adaptable, favouring applicability in other plants.;G. BertanzaP. BaroniS. GarzettiF. MartinelliIWA Publishingarticlefuzzy logicinnovative controllernitrificationphosphorus removalpower consumptionpumpingEnvironmental technology. Sanitary engineeringTD1-1066ENWater Science and Technology, Vol 83, Iss 8, Pp 1813-1823 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	fuzzy logic innovative controller nitrification phosphorus removal power consumption pumping Environmental technology. Sanitary engineering TD1-1066
spellingShingle	fuzzy logic innovative controller nitrification phosphorus removal power consumption pumping Environmental technology. Sanitary engineering TD1-1066 G. Bertanza P. Baroni S. Garzetti F. Martinelli Reducing energy demand by the combined application of advanced control strategies in a full scale WWTP
description	Two advanced control strategies were applied in the secondary and tertiary stages, respectively, of a full scale wastewater treatment plant (WWTP). This has a nominal capacity of 330,000 population equivalent (PE), a complex configuration (having been upgraded several times through the years), and it faces significant seasonal load fluctuations (being located in a touristic area, in Northern Italy). The lifting station of the tertiary treatments (devoted to phosphorus precipitation and UV disinfection) was optimized by adjusting the pumped flowrate, depending on influent phosphorus concentration. A preliminary simulation showed that a 15% reduction of pumping energy could be achieved. This result was confirmed by field measurements. Moreover, a fuzzy control system was designed and applied to one of the six parallel nitrification reactors, yielding a reduction of more than 25% of the power requirement for aeration. Overall, the combined application of the two controllers led to a 7% reduction of the total energy consumption of the plant. This result is particularly promising given that the fuzzy controller was applied only to one of six biological reactors. HIGHLIGHTS Smart control strategies are required for WWTPs: fuzzy logic was adopted for aeration.; Full scale demonstrations of control strategies are rarely described in the literature.; A significant energy demand reduction has been achieved in a real scale WWTP.; The potential of plant-wide application of combined control strategies has been demonstrated.; The designed controllers are highly adaptable, favouring applicability in other plants.;
format	article
author	G. Bertanza P. Baroni S. Garzetti F. Martinelli
author_facet	G. Bertanza P. Baroni S. Garzetti F. Martinelli
author_sort	G. Bertanza
title	Reducing energy demand by the combined application of advanced control strategies in a full scale WWTP
title_short	Reducing energy demand by the combined application of advanced control strategies in a full scale WWTP
title_full	Reducing energy demand by the combined application of advanced control strategies in a full scale WWTP
title_fullStr	Reducing energy demand by the combined application of advanced control strategies in a full scale WWTP
title_full_unstemmed	Reducing energy demand by the combined application of advanced control strategies in a full scale WWTP
title_sort	reducing energy demand by the combined application of advanced control strategies in a full scale wwtp
publisher	IWA Publishing
publishDate	2021
url	https://doaj.org/article/3d27fca45236407db2f58366f4e1a5cf
work_keys_str_mv	AT gbertanza reducingenergydemandbythecombinedapplicationofadvancedcontrolstrategiesinafullscalewwtp AT pbaroni reducingenergydemandbythecombinedapplicationofadvancedcontrolstrategiesinafullscalewwtp AT sgarzetti reducingenergydemandbythecombinedapplicationofadvancedcontrolstrategiesinafullscalewwtp AT fmartinelli reducingenergydemandbythecombinedapplicationofadvancedcontrolstrategiesinafullscalewwtp
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Reducing energy demand by the combined application of advanced control strategies in a full scale WWTP

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