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6. Conclusion
The implementation of solutions capable of combining pressure reduction with energy recovery enables better management of water networks. The PRS device, an evolution of the Banki-Mitchell turbine, currently represents one of the best energy recovery devices. The aim of this article was to describe the advantages of the PRS device and to show the operation and effective energy efficiency of the PRS-PCV model (installed in series) on a real network, as an alternative to the PCV pressure control valve only.
Various operating scenarios were analyzed, and the results showed that by designing the PRS to achieve the project load loss, energy recovery and stress reduction on the existing PCV are maximized (scenario 2 in configuration C1). In 2020, the annual energy benefits of replacing the PCV in favor of the PRS are quantified, for scenario 2: 41,182 kWh with an economic...
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Glossary
Bibliography
Standards and norms
- Hydraulic transmissions – four-port manifolds Installation drawing - ISO 4401 - 2005
Regulations
REGOLAZIONE DELLA QUALITÀ TECNICA DEL SERVIZIO IDRICO INTEGRATO – RQTI (ARERA) – November 2017
Direttiva quadro sulle acque dell'UE (WFD - 2000/60/CE)
Decreto legislativo 3 aprile 2006, n. 152, Norme in materia ambientale- (G.U. n. 88 del 14 aprile 2006)
Acqua potabile (98/83/CE; Wss TP 2010; 2017/0332(COD)
Legge 5 gennaio 1994,...
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Documentation - Training – Seminars
International Conference on ENERGY and ENVIRONMENT (CIEM), Timisoara, Romania Supporting Design of Combined Energy Recovery and Pressure Control in a Water Distribution System in 2019. Laucelli D.B., Di Spiridione S.; Berardi L.; Simone A.; Ciliberti F.; Giustolisi O.
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