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Production and Destination of Sewage Sludge in the Piemonte Region (Italy): The Results of a Survey for a Future Sustainable Management

The management of sewage sludge originated from municipal wastewater treatment plants (WWTPs) is an urgent issue. In 2019, the local authority of the Piemonte region started a survey with the aim of collecting recent data concerning wastewater and sludge management in the WWTPs located in its own te...

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Autores principales: Campo, Giuseppe, Cerutti, Alberto, Lastella, Claudio, Leo, Aldo, Panepinto, Deborah, Zanetti, Mariachiara, Ruffino, Barbara
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2021
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8036911/
https://www.ncbi.nlm.nih.gov/pubmed/33808114
http://dx.doi.org/10.3390/ijerph18073556
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author Campo, Giuseppe
Cerutti, Alberto
Lastella, Claudio
Leo, Aldo
Panepinto, Deborah
Zanetti, Mariachiara
Ruffino, Barbara
author_facet Campo, Giuseppe
Cerutti, Alberto
Lastella, Claudio
Leo, Aldo
Panepinto, Deborah
Zanetti, Mariachiara
Ruffino, Barbara
author_sort Campo, Giuseppe
collection PubMed
description The management of sewage sludge originated from municipal wastewater treatment plants (WWTPs) is an urgent issue. In 2019, the local authority of the Piemonte region started a survey with the aim of collecting recent data concerning wastewater and sludge management in the WWTPs located in its own territory. The survey’s results revealed that 60% of the sludge (51,000 t, as dry substance, d.s.) produced by the local WWTPs was recovered or disposed of outside of the region, and a similar amount of sludge was recovered in agriculture directly or after composting. The increase in the costs to accommodate sewage sludge in recovery or disposal plants, followed to a recent Italian Sentence (27958/2017), and the more and more stringent requirements fixed by lots of European countries for the application of sludge in agriculture, are pushing the Piemonte region authority to re-organize its own network for sludge management, with solutions based onto proximity and diversification. Whether the provisions of the current German legislation are applied in the future also in Italy, approx. 90% of sewage sludge produced into the Piemonte region should be incinerated, with a subsequent step of phosphorous recovery. The new regional plan, according to the Regional Address Deed, should consider a diversification of sludge treatment and recovery practices. On this basis, a need for new plants for around 40,000 t d.s./y could be planned.
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spelling pubmed-80369112021-04-12 Production and Destination of Sewage Sludge in the Piemonte Region (Italy): The Results of a Survey for a Future Sustainable Management Campo, Giuseppe Cerutti, Alberto Lastella, Claudio Leo, Aldo Panepinto, Deborah Zanetti, Mariachiara Ruffino, Barbara Int J Environ Res Public Health Article The management of sewage sludge originated from municipal wastewater treatment plants (WWTPs) is an urgent issue. In 2019, the local authority of the Piemonte region started a survey with the aim of collecting recent data concerning wastewater and sludge management in the WWTPs located in its own territory. The survey’s results revealed that 60% of the sludge (51,000 t, as dry substance, d.s.) produced by the local WWTPs was recovered or disposed of outside of the region, and a similar amount of sludge was recovered in agriculture directly or after composting. The increase in the costs to accommodate sewage sludge in recovery or disposal plants, followed to a recent Italian Sentence (27958/2017), and the more and more stringent requirements fixed by lots of European countries for the application of sludge in agriculture, are pushing the Piemonte region authority to re-organize its own network for sludge management, with solutions based onto proximity and diversification. Whether the provisions of the current German legislation are applied in the future also in Italy, approx. 90% of sewage sludge produced into the Piemonte region should be incinerated, with a subsequent step of phosphorous recovery. The new regional plan, according to the Regional Address Deed, should consider a diversification of sludge treatment and recovery practices. On this basis, a need for new plants for around 40,000 t d.s./y could be planned. MDPI 2021-03-30 /pmc/articles/PMC8036911/ /pubmed/33808114 http://dx.doi.org/10.3390/ijerph18073556 Text en © 2021 by the authors. https://creativecommons.org/licenses/by/4.0/Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/ (https://creativecommons.org/licenses/by/4.0/) ).
spellingShingle Article
Campo, Giuseppe
Cerutti, Alberto
Lastella, Claudio
Leo, Aldo
Panepinto, Deborah
Zanetti, Mariachiara
Ruffino, Barbara
Production and Destination of Sewage Sludge in the Piemonte Region (Italy): The Results of a Survey for a Future Sustainable Management
title Production and Destination of Sewage Sludge in the Piemonte Region (Italy): The Results of a Survey for a Future Sustainable Management
title_full Production and Destination of Sewage Sludge in the Piemonte Region (Italy): The Results of a Survey for a Future Sustainable Management
title_fullStr Production and Destination of Sewage Sludge in the Piemonte Region (Italy): The Results of a Survey for a Future Sustainable Management
title_full_unstemmed Production and Destination of Sewage Sludge in the Piemonte Region (Italy): The Results of a Survey for a Future Sustainable Management
title_short Production and Destination of Sewage Sludge in the Piemonte Region (Italy): The Results of a Survey for a Future Sustainable Management
title_sort production and destination of sewage sludge in the piemonte region (italy): the results of a survey for a future sustainable management
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8036911/
https://www.ncbi.nlm.nih.gov/pubmed/33808114
http://dx.doi.org/10.3390/ijerph18073556
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