Abstract
This study measures the resource efficiency of a basic oxygen steelmaking plant and develops visual maps of its resource use using raw energy and material data extracted directly from the control system. Resource efficiency is measured in units of exergy and resource flows are visualised in Sankey diagrams. Both the metric and the visuals are computed in close-to-real time scales, and are presented on a daily basis over a period of two weeks. Results show the highest level of resource efficiency (73.8%, Day 11) occurs not when energy intensity is greatest (Day 14) but instead when both energy intensity and material yields are high. Combining energy and materials into a single metric-resource efficiency-is shown to provide plant managers with a clearer picture of where interventions might deliver the greatest efficiency gains and redefines the concept of best practice.
| Original language | English |
|---|---|
| Pages (from-to) | 2377-2383 |
| Number of pages | 7 |
| Journal | Energy Procedia |
| Volume | 142 |
| Early online date | 31 Jan 2018 |
| DOIs | |
| Publication status | Published - 31 Jan 2018 |
| Event | 9th International Conference on Applied Energy, ICAE 2017 - Cardiff, UK United Kingdom Duration: 21 Aug 2017 → 24 Aug 2017 |
Funding
This research is funded by Emerson Electric co. This study was supported by Tata Steel. We thank the team at Port Talbot, especially Chris Williams and Chris Barnes, who provided insight and expertise that assisted the research.
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
-
SDG 8 Decent Work and Economic Growth -
SDG 12 Responsible Consumption and Production
Keywords
- basic oxygen steelmaking
- exergy
- resource efficiency
- Sankey diagrams
ASJC Scopus subject areas
- General Energy
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