Analysis of the water–energy–greenhouse gas nexus in a water supply system in the Northeast of Brazil
In recent years, water utilities have been under pressure to increase the efficiency of their processes, mainly due to the decrease in water availability and the need to increase environmental sustainability in their processes. Leak reduction is clearly an important part of sustainable management in...
Ausführliche Beschreibung
Autor*in: |
Isaura Macêdo Alves [verfasserIn] Saulo de Tarso Marques Bezerra [verfasserIn] Gilson Lima da Silva [verfasserIn] Armando Dias Duarte [verfasserIn] Henrique Leonardo Maranduba [verfasserIn] |
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E-Artikel |
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Sprache: |
Englisch |
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2021 |
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In: Revista Brasileira de Ciências Ambientais - Associação Brasileira de Engenharia Sanitária e Ambiental, 2020, 57(2021), 1, Seite 12-21 |
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Übergeordnetes Werk: |
volume:57 ; year:2021 ; number:1 ; pages:12-21 |
Links: |
Link aufrufen |
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DOI / URN: |
10.5327/Z217694781036 |
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Katalog-ID: |
DOAJ008675791 |
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10.5327/Z217694781036 doi (DE-627)DOAJ008675791 (DE-599)DOAJd184ea3be99a48af86d6db33fdef7c93 DE-627 ger DE-627 rakwb eng GE1-350 Isaura Macêdo Alves verfasserin aut Analysis of the water–energy–greenhouse gas nexus in a water supply system in the Northeast of Brazil 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier In recent years, water utilities have been under pressure to increase the efficiency of their processes, mainly due to the decrease in water availability and the need to increase environmental sustainability in their processes. Leak reduction is clearly an important part of sustainable management in the water industry, and its impacts should be assessed with a broader environmental protection objective. This study aimed to present an environmental and energy assessment of the water supply system (WSS) in Caruaru City, northeast of Brazil, for different levels of water loss. This research is one of the first to assess the environmental impacts of a WSS in Latin America. Primary data adopted for preparing the inventory were provided by the water utility, and modeling and analysis were performed with the SimaPro 8.0® program. Cumulative energy demand (CED) was used to track the energy consumption of the system’s life cycle. Greenhouse gas (GHG) emissions were calculated through the IPCC GWP 100a method with emissions expressed as CO2-Eq. The data sets from life-cycle inventories were used from the Ecoinvent 3.1 database. Four scenarios with different levels of water loss were analyzed. Scenario S0 was represented with the real conditions of the system, whereas the others considered hypothetical indices. The percentages proposed for Scenarios S1, S2, and S3 were based on indices that indicate good loss rate in the distribution network for the Brazilian reality (25%), reduction by half of loss rates, and excellent loss rates for the water pipeline system (5%) and distribution network (10%). The analysis of the processes’ contributions showed that the electricity consumption of the pumping systems of water mains represented the greatest environmental impact in all scenarios. The most efficient scenario would result in a 52% reduction in the emission of GHGs, demonstrating that the increase in the hydraulic efficiency of the distribution networks represents a significant opportunity to reduce the environmental impacts of the processes. water supply system; environmental impact; water loss; hydraulic efficiency; greenhouse gas emissions. Environmental sciences Saulo de Tarso Marques Bezerra verfasserin aut Gilson Lima da Silva verfasserin aut Armando Dias Duarte verfasserin aut Henrique Leonardo Maranduba verfasserin aut In Revista Brasileira de Ciências Ambientais Associação Brasileira de Engenharia Sanitária e Ambiental, 2020 57(2021), 1, Seite 12-21 (DE-627)860460894 (DE-600)2857746-2 21769478 nnns volume:57 year:2021 number:1 pages:12-21 https://doi.org/10.5327/Z217694781036 kostenfrei https://doaj.org/article/d184ea3be99a48af86d6db33fdef7c93 kostenfrei http://rbciamb.com.br/index.php/Publicacoes_RBCIAMB/article/view/1036 kostenfrei https://doaj.org/toc/1808-4524 Journal toc kostenfrei https://doaj.org/toc/2176-9478 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4367 GBV_ILN_4700 AR 57 2021 1 12-21 |
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10.5327/Z217694781036 doi (DE-627)DOAJ008675791 (DE-599)DOAJd184ea3be99a48af86d6db33fdef7c93 DE-627 ger DE-627 rakwb eng GE1-350 Isaura Macêdo Alves verfasserin aut Analysis of the water–energy–greenhouse gas nexus in a water supply system in the Northeast of Brazil 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier In recent years, water utilities have been under pressure to increase the efficiency of their processes, mainly due to the decrease in water availability and the need to increase environmental sustainability in their processes. Leak reduction is clearly an important part of sustainable management in the water industry, and its impacts should be assessed with a broader environmental protection objective. This study aimed to present an environmental and energy assessment of the water supply system (WSS) in Caruaru City, northeast of Brazil, for different levels of water loss. This research is one of the first to assess the environmental impacts of a WSS in Latin America. Primary data adopted for preparing the inventory were provided by the water utility, and modeling and analysis were performed with the SimaPro 8.0® program. Cumulative energy demand (CED) was used to track the energy consumption of the system’s life cycle. Greenhouse gas (GHG) emissions were calculated through the IPCC GWP 100a method with emissions expressed as CO2-Eq. The data sets from life-cycle inventories were used from the Ecoinvent 3.1 database. Four scenarios with different levels of water loss were analyzed. Scenario S0 was represented with the real conditions of the system, whereas the others considered hypothetical indices. The percentages proposed for Scenarios S1, S2, and S3 were based on indices that indicate good loss rate in the distribution network for the Brazilian reality (25%), reduction by half of loss rates, and excellent loss rates for the water pipeline system (5%) and distribution network (10%). The analysis of the processes’ contributions showed that the electricity consumption of the pumping systems of water mains represented the greatest environmental impact in all scenarios. The most efficient scenario would result in a 52% reduction in the emission of GHGs, demonstrating that the increase in the hydraulic efficiency of the distribution networks represents a significant opportunity to reduce the environmental impacts of the processes. water supply system; environmental impact; water loss; hydraulic efficiency; greenhouse gas emissions. Environmental sciences Saulo de Tarso Marques Bezerra verfasserin aut Gilson Lima da Silva verfasserin aut Armando Dias Duarte verfasserin aut Henrique Leonardo Maranduba verfasserin aut In Revista Brasileira de Ciências Ambientais Associação Brasileira de Engenharia Sanitária e Ambiental, 2020 57(2021), 1, Seite 12-21 (DE-627)860460894 (DE-600)2857746-2 21769478 nnns volume:57 year:2021 number:1 pages:12-21 https://doi.org/10.5327/Z217694781036 kostenfrei https://doaj.org/article/d184ea3be99a48af86d6db33fdef7c93 kostenfrei http://rbciamb.com.br/index.php/Publicacoes_RBCIAMB/article/view/1036 kostenfrei https://doaj.org/toc/1808-4524 Journal toc kostenfrei https://doaj.org/toc/2176-9478 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4367 GBV_ILN_4700 AR 57 2021 1 12-21 |
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10.5327/Z217694781036 doi (DE-627)DOAJ008675791 (DE-599)DOAJd184ea3be99a48af86d6db33fdef7c93 DE-627 ger DE-627 rakwb eng GE1-350 Isaura Macêdo Alves verfasserin aut Analysis of the water–energy–greenhouse gas nexus in a water supply system in the Northeast of Brazil 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier In recent years, water utilities have been under pressure to increase the efficiency of their processes, mainly due to the decrease in water availability and the need to increase environmental sustainability in their processes. Leak reduction is clearly an important part of sustainable management in the water industry, and its impacts should be assessed with a broader environmental protection objective. This study aimed to present an environmental and energy assessment of the water supply system (WSS) in Caruaru City, northeast of Brazil, for different levels of water loss. This research is one of the first to assess the environmental impacts of a WSS in Latin America. Primary data adopted for preparing the inventory were provided by the water utility, and modeling and analysis were performed with the SimaPro 8.0® program. Cumulative energy demand (CED) was used to track the energy consumption of the system’s life cycle. Greenhouse gas (GHG) emissions were calculated through the IPCC GWP 100a method with emissions expressed as CO2-Eq. The data sets from life-cycle inventories were used from the Ecoinvent 3.1 database. Four scenarios with different levels of water loss were analyzed. Scenario S0 was represented with the real conditions of the system, whereas the others considered hypothetical indices. The percentages proposed for Scenarios S1, S2, and S3 were based on indices that indicate good loss rate in the distribution network for the Brazilian reality (25%), reduction by half of loss rates, and excellent loss rates for the water pipeline system (5%) and distribution network (10%). The analysis of the processes’ contributions showed that the electricity consumption of the pumping systems of water mains represented the greatest environmental impact in all scenarios. The most efficient scenario would result in a 52% reduction in the emission of GHGs, demonstrating that the increase in the hydraulic efficiency of the distribution networks represents a significant opportunity to reduce the environmental impacts of the processes. water supply system; environmental impact; water loss; hydraulic efficiency; greenhouse gas emissions. Environmental sciences Saulo de Tarso Marques Bezerra verfasserin aut Gilson Lima da Silva verfasserin aut Armando Dias Duarte verfasserin aut Henrique Leonardo Maranduba verfasserin aut In Revista Brasileira de Ciências Ambientais Associação Brasileira de Engenharia Sanitária e Ambiental, 2020 57(2021), 1, Seite 12-21 (DE-627)860460894 (DE-600)2857746-2 21769478 nnns volume:57 year:2021 number:1 pages:12-21 https://doi.org/10.5327/Z217694781036 kostenfrei https://doaj.org/article/d184ea3be99a48af86d6db33fdef7c93 kostenfrei http://rbciamb.com.br/index.php/Publicacoes_RBCIAMB/article/view/1036 kostenfrei https://doaj.org/toc/1808-4524 Journal toc kostenfrei https://doaj.org/toc/2176-9478 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4367 GBV_ILN_4700 AR 57 2021 1 12-21 |
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10.5327/Z217694781036 doi (DE-627)DOAJ008675791 (DE-599)DOAJd184ea3be99a48af86d6db33fdef7c93 DE-627 ger DE-627 rakwb eng GE1-350 Isaura Macêdo Alves verfasserin aut Analysis of the water–energy–greenhouse gas nexus in a water supply system in the Northeast of Brazil 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier In recent years, water utilities have been under pressure to increase the efficiency of their processes, mainly due to the decrease in water availability and the need to increase environmental sustainability in their processes. Leak reduction is clearly an important part of sustainable management in the water industry, and its impacts should be assessed with a broader environmental protection objective. This study aimed to present an environmental and energy assessment of the water supply system (WSS) in Caruaru City, northeast of Brazil, for different levels of water loss. This research is one of the first to assess the environmental impacts of a WSS in Latin America. Primary data adopted for preparing the inventory were provided by the water utility, and modeling and analysis were performed with the SimaPro 8.0® program. Cumulative energy demand (CED) was used to track the energy consumption of the system’s life cycle. Greenhouse gas (GHG) emissions were calculated through the IPCC GWP 100a method with emissions expressed as CO2-Eq. The data sets from life-cycle inventories were used from the Ecoinvent 3.1 database. Four scenarios with different levels of water loss were analyzed. Scenario S0 was represented with the real conditions of the system, whereas the others considered hypothetical indices. The percentages proposed for Scenarios S1, S2, and S3 were based on indices that indicate good loss rate in the distribution network for the Brazilian reality (25%), reduction by half of loss rates, and excellent loss rates for the water pipeline system (5%) and distribution network (10%). The analysis of the processes’ contributions showed that the electricity consumption of the pumping systems of water mains represented the greatest environmental impact in all scenarios. The most efficient scenario would result in a 52% reduction in the emission of GHGs, demonstrating that the increase in the hydraulic efficiency of the distribution networks represents a significant opportunity to reduce the environmental impacts of the processes. water supply system; environmental impact; water loss; hydraulic efficiency; greenhouse gas emissions. Environmental sciences Saulo de Tarso Marques Bezerra verfasserin aut Gilson Lima da Silva verfasserin aut Armando Dias Duarte verfasserin aut Henrique Leonardo Maranduba verfasserin aut In Revista Brasileira de Ciências Ambientais Associação Brasileira de Engenharia Sanitária e Ambiental, 2020 57(2021), 1, Seite 12-21 (DE-627)860460894 (DE-600)2857746-2 21769478 nnns volume:57 year:2021 number:1 pages:12-21 https://doi.org/10.5327/Z217694781036 kostenfrei https://doaj.org/article/d184ea3be99a48af86d6db33fdef7c93 kostenfrei http://rbciamb.com.br/index.php/Publicacoes_RBCIAMB/article/view/1036 kostenfrei https://doaj.org/toc/1808-4524 Journal toc kostenfrei https://doaj.org/toc/2176-9478 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4367 GBV_ILN_4700 AR 57 2021 1 12-21 |
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Analysis of the water–energy–greenhouse gas nexus in a water supply system in the Northeast of Brazil |
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In recent years, water utilities have been under pressure to increase the efficiency of their processes, mainly due to the decrease in water availability and the need to increase environmental sustainability in their processes. Leak reduction is clearly an important part of sustainable management in the water industry, and its impacts should be assessed with a broader environmental protection objective. This study aimed to present an environmental and energy assessment of the water supply system (WSS) in Caruaru City, northeast of Brazil, for different levels of water loss. This research is one of the first to assess the environmental impacts of a WSS in Latin America. Primary data adopted for preparing the inventory were provided by the water utility, and modeling and analysis were performed with the SimaPro 8.0® program. Cumulative energy demand (CED) was used to track the energy consumption of the system’s life cycle. Greenhouse gas (GHG) emissions were calculated through the IPCC GWP 100a method with emissions expressed as CO2-Eq. The data sets from life-cycle inventories were used from the Ecoinvent 3.1 database. Four scenarios with different levels of water loss were analyzed. Scenario S0 was represented with the real conditions of the system, whereas the others considered hypothetical indices. The percentages proposed for Scenarios S1, S2, and S3 were based on indices that indicate good loss rate in the distribution network for the Brazilian reality (25%), reduction by half of loss rates, and excellent loss rates for the water pipeline system (5%) and distribution network (10%). The analysis of the processes’ contributions showed that the electricity consumption of the pumping systems of water mains represented the greatest environmental impact in all scenarios. The most efficient scenario would result in a 52% reduction in the emission of GHGs, demonstrating that the increase in the hydraulic efficiency of the distribution networks represents a significant opportunity to reduce the environmental impacts of the processes. |
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In recent years, water utilities have been under pressure to increase the efficiency of their processes, mainly due to the decrease in water availability and the need to increase environmental sustainability in their processes. Leak reduction is clearly an important part of sustainable management in the water industry, and its impacts should be assessed with a broader environmental protection objective. This study aimed to present an environmental and energy assessment of the water supply system (WSS) in Caruaru City, northeast of Brazil, for different levels of water loss. This research is one of the first to assess the environmental impacts of a WSS in Latin America. Primary data adopted for preparing the inventory were provided by the water utility, and modeling and analysis were performed with the SimaPro 8.0® program. Cumulative energy demand (CED) was used to track the energy consumption of the system’s life cycle. Greenhouse gas (GHG) emissions were calculated through the IPCC GWP 100a method with emissions expressed as CO2-Eq. The data sets from life-cycle inventories were used from the Ecoinvent 3.1 database. Four scenarios with different levels of water loss were analyzed. Scenario S0 was represented with the real conditions of the system, whereas the others considered hypothetical indices. The percentages proposed for Scenarios S1, S2, and S3 were based on indices that indicate good loss rate in the distribution network for the Brazilian reality (25%), reduction by half of loss rates, and excellent loss rates for the water pipeline system (5%) and distribution network (10%). The analysis of the processes’ contributions showed that the electricity consumption of the pumping systems of water mains represented the greatest environmental impact in all scenarios. The most efficient scenario would result in a 52% reduction in the emission of GHGs, demonstrating that the increase in the hydraulic efficiency of the distribution networks represents a significant opportunity to reduce the environmental impacts of the processes. |
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In recent years, water utilities have been under pressure to increase the efficiency of their processes, mainly due to the decrease in water availability and the need to increase environmental sustainability in their processes. Leak reduction is clearly an important part of sustainable management in the water industry, and its impacts should be assessed with a broader environmental protection objective. This study aimed to present an environmental and energy assessment of the water supply system (WSS) in Caruaru City, northeast of Brazil, for different levels of water loss. This research is one of the first to assess the environmental impacts of a WSS in Latin America. Primary data adopted for preparing the inventory were provided by the water utility, and modeling and analysis were performed with the SimaPro 8.0® program. Cumulative energy demand (CED) was used to track the energy consumption of the system’s life cycle. Greenhouse gas (GHG) emissions were calculated through the IPCC GWP 100a method with emissions expressed as CO2-Eq. The data sets from life-cycle inventories were used from the Ecoinvent 3.1 database. Four scenarios with different levels of water loss were analyzed. Scenario S0 was represented with the real conditions of the system, whereas the others considered hypothetical indices. The percentages proposed for Scenarios S1, S2, and S3 were based on indices that indicate good loss rate in the distribution network for the Brazilian reality (25%), reduction by half of loss rates, and excellent loss rates for the water pipeline system (5%) and distribution network (10%). The analysis of the processes’ contributions showed that the electricity consumption of the pumping systems of water mains represented the greatest environmental impact in all scenarios. The most efficient scenario would result in a 52% reduction in the emission of GHGs, demonstrating that the increase in the hydraulic efficiency of the distribution networks represents a significant opportunity to reduce the environmental impacts of the processes. |
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Leak reduction is clearly an important part of sustainable management in the water industry, and its impacts should be assessed with a broader environmental protection objective. This study aimed to present an environmental and energy assessment of the water supply system (WSS) in Caruaru City, northeast of Brazil, for different levels of water loss. This research is one of the first to assess the environmental impacts of a WSS in Latin America. Primary data adopted for preparing the inventory were provided by the water utility, and modeling and analysis were performed with the SimaPro 8.0® program. Cumulative energy demand (CED) was used to track the energy consumption of the system’s life cycle. Greenhouse gas (GHG) emissions were calculated through the IPCC GWP 100a method with emissions expressed as CO2-Eq. The data sets from life-cycle inventories were used from the Ecoinvent 3.1 database. Four scenarios with different levels of water loss were analyzed. Scenario S0 was represented with the real conditions of the system, whereas the others considered hypothetical indices. The percentages proposed for Scenarios S1, S2, and S3 were based on indices that indicate good loss rate in the distribution network for the Brazilian reality (25%), reduction by half of loss rates, and excellent loss rates for the water pipeline system (5%) and distribution network (10%). The analysis of the processes’ contributions showed that the electricity consumption of the pumping systems of water mains represented the greatest environmental impact in all scenarios. The most efficient scenario would result in a 52% reduction in the emission of GHGs, demonstrating that the increase in the hydraulic efficiency of the distribution networks represents a significant opportunity to reduce the environmental impacts of the processes.</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">water supply system; environmental impact; water loss; hydraulic efficiency; greenhouse gas emissions.</subfield></datafield><datafield tag="653" ind1=" " ind2="0"><subfield code="a">Environmental sciences</subfield></datafield><datafield tag="700" ind1="0" ind2=" "><subfield code="a">Saulo de Tarso Marques Bezerra</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="0" ind2=" "><subfield code="a">Gilson Lima da Silva</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="0" ind2=" "><subfield code="a">Armando 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