Increasing the energy efficiency of a hot-dip galvanizing plant and reducing its environmental impact
Abstract
Most industrial plants prioritize efficient, uninterrupted production, with production costs coming in second even though they are no less important. Any commitment to boosting energy efficiency while cutting pollution and energy waste is treated as an after-thought. This article presents an in-depth analysis of energy efficiency and its related emissions reduction opportunities in the context of a hot-dip galvanizing plant. This paper describes the modernization of the galvanization process in terms of the current situation with the process and possible energy efficiency improvement actions (such as operating parameters and changes at system level), which affect the overall exhaust emissions without changing current production or the technology used. Results show that the energy requirement dropped by 23%, from 399.3 MJ/tonne at baseline to 307 MJ/tonne in the improvement scenario, while emission intensity NO dropped by 96%.References
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[3] IEA (International Energy Agency), 2008. IEA Energy Policies Review. The European Union, Paris, France. URL (available at https://www.iea.org/publications/freepublications/publication/EU2008.pdf)
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[5] IEA(Energy Information Administration), 2015. Accelerating Energy Efficiency in Small and Medium-sized Enterprises. Powering SMEs to catalyse economic growth. URL (available at www.iea.org/publications/freepublications/publication/SME_2015. pdf)
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[7] S. T. Anderson, R. G. Newell, Information programs for technology adoption: the case of energy-efficiency audits, Resource and Energy Economics 26 (1) (2004) 27–50.
[8] C. Galitsky, L. Price, E. Worrell, Energy efficiency programs and policies in the industrial sector in industrialized countries, Lawrence Berkeley National Laboratory.
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2012/504, Energetics Incorporated,. URL (available at http://energy.gov/sites/prod/files/2013/11/f4/ energy_use_and_loss_and_emissions.pdf)
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[18] P. des Nations Unies pour l’environnement, Towards a green economy: Pathways to sustainable development and poverty eradication, United Nations Environment Programme, 2011.
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[21] Y. Li, J. Li, Q. Qiu, Y. Xu, Energy auditing and energy conservation potential for glass works, Applied Energy 87 (8) (2010) 2438-2446.
[22] J. Petek, P. Glavic, A. Kostevšek, Comprehensive approach to increase energy efficiency based on versatile industrial practices, Journal of Cleaner Production 112 (2016) 2813–2821.
[23] J. Fresner, F. Morea, C. Krenn, J. A. Uson, F. Tomasi, Energy efficiency in small and medium enterprises: Lessons learned from 280 energy audits across europe, Journal of Cleaner Production 142 (2017) 1650–1660.
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[26] K. Tanaka, Assessment of energy efficiency performance measures in industry and their application for policy, Energy policy 36 (8) (2008) 2887–2902.
[27] J. Szymczyk, P. Olszewski, Flameless combustion-state of art, Archivum Combustionis 36 (1) (2016) 13–36.
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[29] P. Bicao, W. Jianhua, S. Xuping, L. Zhi, Y. Fucheng, Effects of zinc bath temperature on the coatings of hot-dip galvanizing, Surface and Coatings Technology 202 (9) (2008) 1785–1788.
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[31] D. Che, Y. Liu, C. Gao, Evaluation of retrofitting a conventional natural gas fired boiler into a condensing boiler, Energy Conversion and Management 45 (20) (2004) 3251–3266.
[32] M. Habib, M. Elshafei, M. Dajani, Influence of combustion parameters on nox production in an industrial boiler, computers & fluids 37 (1)
(2008) 12–23.
[33] ORNL, 2008. Combined heat and Power. Effective Energy Solutions for a Sustainable Future. URL (available at http://info.ornl.gov/sites/ publications/files/Pub13655.pdf)
Published
2018-02-27
How to Cite
SZYMCZYK, Jacek; KLUCZEK, Aldona.
Increasing the energy efficiency of a hot-dip galvanizing plant and reducing its environmental impact.
Journal of Power Technologies, [S.l.], v. 97, n. 5, p. 349--358, feb. 2018.
ISSN 2083-4195.
Available at: <https://papers.itc.pw.edu.pl/index.php/JPT/article/view/1262>. Date accessed: 03 dec. 2024.
Issue
Section
Research and Development in Power Engineering 2017
Keywords
Energy efficiency; galvanizing; environmental impact; modernization
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