Please use this identifier to cite or link to this item: https://hdl.handle.net/10321/4184
Title: Comparative analysis of specific energy consumption and energy consumption benchmarking in galvanising plants
Authors: Dewa, Mendon
Keywords: Energy performance indicator;Energy efficiency
Issue Date: 4-Aug-2022
Publisher: IEOM Society International
Source: Dewa, M. 2022. Comparative analysis of specific energy consumption and energy consumption benchmarking in galvanising plants. Presented at: e International Conference on Industrial Engineering and Operations Management: 1-11 (11).
Conference: Energy efficiency 
International Conference on Industrial Engineering and Operations Management 
Abstract: 
The inadequacy of sustainable energy is endlessly posing major challenges globally. The issue of energy
optimisation is indispensable for manufacturing sector, particularly for a hot-dip galvanising process where
galvanising furnaces are the significant energy users. This study is aimed at comparative analysis of specific energy
consumption and energy consumption benchmarking in four galvanising plants with the view to necessitate the
identification of best practices. Energy baselines were used as quantitative reference points to compare energy
performance indicators and quantify fluctuations in energy performance during the baseline and reporting periods. A
quantitative analysis was also conducted to benchmark four galvanising facilities on factors that included the
electricity/zinc ratio, electricity /dips ratio and product tonnage/zinc used ratio. The results revealed improved
performance for plant 4 over time relative to the baseline consumption when compared to plants 1, 2 and 3. Plant 4
also outperformed other facilities after the energy efficiency interventions in terms of electricity/zinc ratio and
electricity/ product tonnage ratio. Given the disparity between the results of specific energy consumption (SEC) for
the four plants, it was concluded that SEC alone should not be used as an energy performance indicator.
URI: https://hdl.handle.net/10321/4184
ISSN: 2169-8767
Appears in Collections:Research Publications (Engineering and Built Environment)

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