Pyrolysis-GCMS of Plastic and Paper Waste as Alternative Blast Furnace Reductants

Jones, Eurig; Steer, Julian; OJOBOWALE, FAWAZ; Marsh, Richard; Holliman, Peter

doi:10.3390/chemengineering9010015

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Pyrolysis-GCMS of Plastic and Paper Waste as Alternative Blast Furnace Reductants

Eurig Jones, Julian Steer

, FAWAZ OJOBOWALE, Richard Marsh, Peter Holliman

ChemEngineering, Volume: 9, Issue: 1, Start page: 15

Swansea University Authors: Eurig Jones, FAWAZ OJOBOWALE, Peter Holliman

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DOI (Published version): 10.3390/chemengineering9010015

Abstract

This paper reports studies on the thermal chemistry of the flash pyrolysis (heating rate of 20,000 °C/s up to 800 °C) of non-fossil fuel carbon (NFF-C) waste (or refuse-derived fuel, RDF) in the context of using this as an alternative reductant for blast furnace ironmaking. Gas chromatography–mass s...

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Published in:	ChemEngineering
ISSN:	2305-7084
Published:	MDPI AG 2025
Online Access:	Check full text
URI:	https://cronfa.swan.ac.uk/Record/cronfa68788

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last_indexed	2025-02-20T11:17:23Z
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spelling	2025-02-19T12:15:07.8681916 v2 68788 2025-02-03 Pyrolysis-GCMS of Plastic and Paper Waste as Alternative Blast Furnace Reductants c6d92fb58a378914f3fdff316a9b4b29 Eurig Jones Eurig Jones true false ea910fda5a9a790bf75f8ea454888b31 FAWAZ OJOBOWALE FAWAZ OJOBOWALE true false c8f52394d776279c9c690dc26066ddf9 0000-0002-9911-8513 Peter Holliman Peter Holliman true false 2025-02-03 EAAS This paper reports studies on the thermal chemistry of the flash pyrolysis (heating rate of 20,000 °C/s up to 800 °C) of non-fossil fuel carbon (NFF-C) waste (or refuse-derived fuel, RDF) in the context of using this as an alternative reductant for blast furnace ironmaking. Gas chromatography–mass spectrometry (GCMS) analysis linked to the pyrolyser was used to simulate the thermal processes that take place during injection in the blast furnace raceway, where material experiences extreme temperature (ca. 1000 °C) over very short residence times (<300 ms). Species identification and qualitative analysis of evolved species generated are reported. Whilst the pyrolyser uses flash heating of a static sample, a drop tube furnace was also employed to study a sample moving rapidly through a pre-heated furnace held at 1000 °C to enable reductant burnout rates to be measured. The overarching aim of this piece of work is to study the suitability of replacing fossil fuel with non-recyclable plastic and paper as blast furnace reductants. Journal Article ChemEngineering 9 1 15 MDPI AG 2305-7084 pyrolysis; low carbon; reductants; fuel switching; refuse-derived fuel 10 2 2025 2025-02-10 10.3390/chemengineering9010015 COLLEGE NANME Engineering and Applied Sciences School COLLEGE CODE EAAS Swansea University External research funder(s) paid the OA fee (includes OA grants disbursed by the Library) This work is supported by EPSRC’s Future steel Manufacturing research hub SUSTAIN programme EP/S018107/1 (E.W.J., P.J.H.), EPSRC SUSTAIN Research Hub—Feasibility Study SFSC1 002 (J.S.), EPSRC/Tata Steel iCASE (F.O.), HEFCW for funding capital grant for the pyrolysis-GCMS and STA and Welsh Govt Circular Economy Capital Fund (Grant # 243) for funding the bomb calorimeter. 2025-02-19T12:15:07.8681916 2025-02-03T13:31:56.9351651 Faculty of Science and Engineering School of Engineering and Applied Sciences - Materials Science and Engineering Eurig Jones 1 Julian Steer 0000-0002-3003-4768 2 FAWAZ OJOBOWALE 3 Richard Marsh 4 Peter Holliman 0000-0002-9911-8513 5 68788__33644__f489bf4c5f6544c4b7406a8a1a210f2e.pdf 68788.VOR.pdf 2025-02-19T12:08:50.9221382 Output 4432373 application/pdf Version of Record true © 2025 by the authors. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license. true eng https://creativecommons.org/licenses/by/4.0/
title	Pyrolysis-GCMS of Plastic and Paper Waste as Alternative Blast Furnace Reductants
spellingShingle	Pyrolysis-GCMS of Plastic and Paper Waste as Alternative Blast Furnace Reductants Eurig Jones FAWAZ OJOBOWALE Peter Holliman
title_short	Pyrolysis-GCMS of Plastic and Paper Waste as Alternative Blast Furnace Reductants
title_full	Pyrolysis-GCMS of Plastic and Paper Waste as Alternative Blast Furnace Reductants
title_fullStr	Pyrolysis-GCMS of Plastic and Paper Waste as Alternative Blast Furnace Reductants
title_full_unstemmed	Pyrolysis-GCMS of Plastic and Paper Waste as Alternative Blast Furnace Reductants
title_sort	Pyrolysis-GCMS of Plastic and Paper Waste as Alternative Blast Furnace Reductants
author_id_str_mv	c6d92fb58a378914f3fdff316a9b4b29 ea910fda5a9a790bf75f8ea454888b31 c8f52394d776279c9c690dc26066ddf9
author_id_fullname_str_mv	c6d92fb58a378914f3fdff316a9b4b29_*_Eurig Jones ea910fda5a9a790bf75f8ea454888b31__FAWAZ OJOBOWALE c8f52394d776279c9c690dc26066ddf9_**_Peter Holliman
author	Eurig Jones FAWAZ OJOBOWALE Peter Holliman
author2	Eurig Jones Julian Steer FAWAZ OJOBOWALE Richard Marsh Peter Holliman
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issn	2305-7084
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publisher	MDPI AG
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description	This paper reports studies on the thermal chemistry of the flash pyrolysis (heating rate of 20,000 °C/s up to 800 °C) of non-fossil fuel carbon (NFF-C) waste (or refuse-derived fuel, RDF) in the context of using this as an alternative reductant for blast furnace ironmaking. Gas chromatography–mass spectrometry (GCMS) analysis linked to the pyrolyser was used to simulate the thermal processes that take place during injection in the blast furnace raceway, where material experiences extreme temperature (ca. 1000 °C) over very short residence times (<300 ms). Species identification and qualitative analysis of evolved species generated are reported. Whilst the pyrolyser uses flash heating of a static sample, a drop tube furnace was also employed to study a sample moving rapidly through a pre-heated furnace held at 1000 °C to enable reductant burnout rates to be measured. The overarching aim of this piece of work is to study the suitability of replacing fossil fuel with non-recyclable plastic and paper as blast furnace reductants.
published_date	2025-02-10T08:19:04Z
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Pyrolysis-GCMS of Plastic and Paper Waste as Alternative Blast Furnace Reductants

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