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Article

Technological Energy Efficiency Improvements in Glass-Production Industries and Their Future Perspectives in Italy

1
Department of Industrial Engineering (DIEF), University of Florence, Viale Morgagni, 40, 50134 Florence, Italy
2
DUEE-SPS-ESE Laboratory, Italian National Agency for New Technologies, Energy and Sustainable Economic Development (ENEA), Lungotevere Thaon di Revel, 76, 00196 Rome, Italy
*
Author to whom correspondence should be addressed.
Processes 2022, 10(12), 2653; https://doi.org/10.3390/pr10122653
Submission received: 11 November 2022 / Revised: 2 December 2022 / Accepted: 6 December 2022 / Published: 9 December 2022
(This article belongs to the Special Issue Technologies for Climate-Neutral Energy Systems)

Abstract

The glass industry is highly energy-intensive, consuming approximately 500–700 million GJ each year. Replacing inefficient equipment with better-performing equipment is a good strategy to reduce the energy consumption of a glass plant. Since there are many alternative solutions, the choice of which technological improvement to implement is usually difficult. Therefore, a review of solutions to reduce energy consumption in a glass plant is pivotal. The literature offers similar studies, but they are not sufficiently up-to-date and do not represent the actual state of the art, which should be updated. Thus, this paper aims to provide an updated list of alternative solutions, clustering them into different categories (e.g., the process stage). Moreover, this paper investigates the current applicability of energy-saving solutions in Italy. Specifically, a sample of 103 Italian companies is considered and the type of interventions that the companies recently implemented or that they intend to adopt is analyzed. Quantitative statistical and economic analyses were conducted to highlight the most popular solutions and determine their cost-effectiveness. The results show that most interventions consist of replacing machinery with more efficient ones, mainly in auxiliary systems (132 out of 426). The outcome of this paper could represent a guide to select energy-saving solutions.
Keywords: glass manufacturing plant; energy savings; technology solutions; Italian companies; energy efficiency improvements glass manufacturing plant; energy savings; technology solutions; Italian companies; energy efficiency improvements

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MDPI and ACS Style

Cantini, A.; Leoni, L.; Ferraro, S.; De Carlo, F.; Martini, C.; Martini, F.; Salvio, M. Technological Energy Efficiency Improvements in Glass-Production Industries and Their Future Perspectives in Italy. Processes 2022, 10, 2653. https://doi.org/10.3390/pr10122653

AMA Style

Cantini A, Leoni L, Ferraro S, De Carlo F, Martini C, Martini F, Salvio M. Technological Energy Efficiency Improvements in Glass-Production Industries and Their Future Perspectives in Italy. Processes. 2022; 10(12):2653. https://doi.org/10.3390/pr10122653

Chicago/Turabian Style

Cantini, Alessandra, Leonardo Leoni, Saverio Ferraro, Filippo De Carlo, Chiara Martini, Fabrizio Martini, and Marcello Salvio. 2022. "Technological Energy Efficiency Improvements in Glass-Production Industries and Their Future Perspectives in Italy" Processes 10, no. 12: 2653. https://doi.org/10.3390/pr10122653

APA Style

Cantini, A., Leoni, L., Ferraro, S., De Carlo, F., Martini, C., Martini, F., & Salvio, M. (2022). Technological Energy Efficiency Improvements in Glass-Production Industries and Their Future Perspectives in Italy. Processes, 10(12), 2653. https://doi.org/10.3390/pr10122653

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