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EnglishPurpose The aim of the present paper is to describe the development of a life cycle assessment study of the service of potable water supply in Sicily, Italy. The analysis considers the stages of collection, treatment and distribution of potable water through the regional network, whilst the use stage of water is not included. Methods The selection of a methodological pattern coherently with the requirements of an environmental label such as the EPDs aims at allowing comparability among different studies. Results The analysis shows the shares of impacts along the life cycle chain, i.e. outputs by well fields and spring groups, purification and desalination plants, water losses in the waterworks, electrical consumption of waterworks systems and impacts of network maintenance. As concerns Global Warming Potential (GWP), the impact of purification plants represents a 6-7% share of the total, whilst desalination 74%. Water losses in the waterworks show an impact of 15-17%, the contribution owing to electrical consumption of waterworks systems and network maintenance results to be 3%. Desalination plants represents the major contribution to all the considered impact categories. Conclusions As concerns management issues, the most relevant impact categories resulted to be GWP, non-renewable energy resources and water consumption. Since the results for non-renewable energy resources are strictly connected to GWP emissions, , carbon footprint and water footprint can be profitably used as single issue indicators without the risk of burden shifting in studies aiming to evaluate the impact of potable water distribution.
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| Titolo: | Water supply and sustainability: life cycle assessment of water collection, treatment and distribution service |
| Autori: | |
| Data di pubblicazione: | 2013 |
| Rivista: | |
| Citazione: | Water supply and sustainability: life cycle assessment of water collection, treatment and distribution service / Adriana Del Borghi; Carlo Strazza; Michela Gallo; Simona Messineo; Massimiliano Naso. - In: THE INTERNATIONAL JOURNAL OF LIFE CYCLE ASSESSMENT. - ISSN 0948-3349. - STAMPA. - 18(2013), pp. 1158-1168. |
| Abstract: | Purpose The aim of the present paper is to describe the development of a life cycle assessment study of the service of potable water supply in Sicily, Italy. The analysis considers the stages of collection, treatment and distribution of potable water through the regional network, whilst the use stage of water is not included. Methods The selection of a methodological pattern coherently with the requirements of an environmental label such as the EPDs aims at allowing comparability among different studies. Results The analysis shows the shares of impacts along the life cycle chain, i.e. outputs by well fields and spring groups, purification and desalination plants, water losses in the waterworks, electrical consumption of waterworks systems and impacts of network maintenance. As concerns Global Warming Potential (GWP), the impact of purification plants represents a 6-7% share of the total, whilst desalination 74%. Water losses in the waterworks show an impact of 15-17%, the contribution owing to electrical consumption of waterworks systems and network maintenance results to be 3%. Desalination plants represents the major contribution to all the considered impact categories. Conclusions As concerns management issues, the most relevant impact categories resulted to be GWP, non-renewable energy resources and water consumption. Since the results for non-renewable energy resources are strictly connected to GWP emissions, , carbon footprint and water footprint can be profitably used as single issue indicators without the risk of burden shifting in studies aiming to evaluate the impact of potable water distribution. |
| Handle: | http://hdl.handle.net/11567/550929 |
| Appare nelle tipologie: | 01.01 - Articolo su rivista |
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