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A waste heat recovery strategy and its deployment: an integrated steelworks case study

Giles, Anthony, Williams, Chris, Pugh, Daniel, Bowen, Phil, Marsh, Richard and O'Doherty, Tim 2020. A waste heat recovery strategy and its deployment: an integrated steelworks case study. Proceedings of the ICE - Waste and Resource Management 10.1680/jwarm.20.00011
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Abstract

Steelmaking is energy intensive, with manufacturing facilities representing some of the biggest point-source CO2 emitters in the UK. Efficiency improvements are essential with rising energy costs, driving significant investment from the UK Iron and Steel sector. However, the industry still finds it difficult to justify waste heat recovery projects, as individual schemes incorporating waste heat capture and an end-use for the waste heat often incur high capital costs, resulting in long payback times. This paper describes the conceptual and numerical development of a strategy for the deployment of waste heat recovery using a large integrated steel works as a case study. An existing asset was utilised to link individual waste heat schemes together with a single end-user; thereby reducing the capital requirement for each subsequent project. The proposed strategy and its development is discussed, followed by the resultant CO2 and energy savings (estimated to be 2.3Mt and equivalent to £45M), over the six year period since its implementation.

Item Type: Article
Date Type: Published Online
Status: In Press
Schools: Engineering
Publisher: Thomas Telford (ICE Publishing)
ISSN: 1747-6526
Date of First Compliant Deposit: 27 October 2020
Date of Acceptance: 13 October 2020
Last Modified: 24 Nov 2020 18:10
URI: http://orca.cf.ac.uk/id/eprint/135925

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