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Sustainability 2015, 7(12), 16703-16719; doi:10.3390/su71215841

Waste Energy Recovery from Natural Gas Distribution Network: CELSIUS Project Demonstrator in Genoa

DIME—Dipartimento di Ingegneria Meccanica, Energetica, Gestionale e dei Trasporti, Università degli Studi di Genova, Via All’Opera Pia 15/A, 16145 Genova, Italy
These authors contributed equally to this work.
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Author to whom correspondence should be addressed.
Academic Editors: Francesco Asdrubali and Pietro Buzzini
Received: 5 October 2015 / Revised: 1 December 2015 / Accepted: 14 December 2015 / Published: 18 December 2015
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Abstract

Increasing energy efficiency by the smart recovery of waste energy is the scope of the CELSIUS Project (Combined Efficient Large Scale Integrated Urban Systems). The CELSIUS consortium includes a world-leading partnership of outstanding research, innovation and implementation organizations, and gather competence and excellence from five European cities with complementary baseline positions regarding the sustainable use of energy: Cologne, Genoa, Gothenburg, London, and Rotterdam. Lasting four-years and coordinated by the City of Gothenburg, the project faces with an holistic approach technical, economic, administrative, social, legal and political issues concerning smart district heating and cooling, aiming to establish best practice solutions. This will be done through the implementation of twelve new high-reaching demonstration projects, which cover the most major aspects of innovative urban heating and cooling for a smart city. The Genoa demonstrator was designed in order to recover energy from the pressure drop between the main supply line and the city natural gas network. The potential mechanical energy is converted to electricity by a turboexpander/generator system, which has been integrated in a combined heat and power plant to supply a district heating network. The performed energy analysis assessed natural gas saving and greenhouse gas reduction achieved through the smart systems integration. View Full-Text
Keywords: smart city; district heating and cooling; waste energy recovery; EU strategy for GHG reduction; natural gas network smart city; district heating and cooling; waste energy recovery; EU strategy for GHG reduction; natural gas network
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Borelli, D.; Devia, F.; Marré Brunenghi, M.; Schenone, C.; Spoladore, A. Waste Energy Recovery from Natural Gas Distribution Network: CELSIUS Project Demonstrator in Genoa. Sustainability 2015, 7, 16703-16719.

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