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Size Control in Pelletisation / WILLIAM WALLS

Swansea University Author: WILLIAM WALLS

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DOI (Published version): 10.23889/SUthesis.60119

Abstract

This thesis covers an investigation into the topic of size control in pel-letisation, with a focus on how it relates to the pelletisation of ferrous by products. The ferrous by product of focus is oily mill sludge, which has had its properties examined. The kinetic behaviour is also examined using D...

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Published: Swansea 2022
Institution: Swansea University
Degree level: Doctoral
Degree name: EngD
Supervisor: Brown, Stephen G. R. ; Lavery, Nicholas
URI: https://cronfa.swan.ac.uk/Record/cronfa60119
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first_indexed 2022-06-01T13:18:55Z
last_indexed 2022-06-02T03:33:01Z
id cronfa60119
recordtype RisThesis
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spelling 2022-06-01T15:17:40.8217031 v2 60119 2022-06-01 Size Control in Pelletisation 70129c97689bf76aceae782893ff6810 WILLIAM WALLS WILLIAM WALLS true false 2022-06-01 This thesis covers an investigation into the topic of size control in pel-letisation, with a focus on how it relates to the pelletisation of ferrous by products. The ferrous by product of focus is oily mill sludge, which has had its properties examined. The kinetic behaviour is also examined using Discrete Element Methods. Over the course of the investigation the growth behaviour of granules has been clarified as being able to be explained en-tirely through external saturation sources such as spray and consolidation behaviours. These contribute to the cohesion of individual pellets, and adhesion of pellets together, which constitute a completely new model of agglomeration. This Adhesion-Cohesion model is physically in line with agglomeration research and granular mechanics as a whole, and was subse-quently integrated into a Discrete Element Method simulation of agglom-eration which provided validation for the growth behaviour predicted. E-Thesis Swansea Pelletisation, Granulation, Consolidation, Saturation, Powders, Collision, DEM 31 5 2022 2022-05-31 10.23889/SUthesis.60119 ORCiD identifier: https://orcid.org/0000-0001-5728-9018 COLLEGE NANME COLLEGE CODE Swansea University Brown, Stephen G. R. ; Lavery, Nicholas Doctoral EngD M2A, EPSRC, UKRI, European Social Fund, Tata Steel; Research grant number: c80816 – M2A funding 2022-06-01T15:17:40.8217031 2022-06-01T14:11:55.6145940 Faculty of Science and Engineering School of Engineering and Applied Sciences - Uncategorised WILLIAM WALLS 1 60119__24217__b66a949918b448d2a8ecefa95ecd8682.pdf Walls_William_K_EngD_Thesis_Final_Redacted_Signature.pdf 2022-06-01T15:13:32.9910138 Output 16778987 application/pdf E-Thesis – open access true Size Control in Pelletisation © 2022 by William K. Walls is licensed under a Creative Commons Attribution-Non-Commercial (CC-BY-NC) License. Third party content is excluded for use under the license terms. true eng
title Size Control in Pelletisation
spellingShingle Size Control in Pelletisation
WILLIAM WALLS
title_short Size Control in Pelletisation
title_full Size Control in Pelletisation
title_fullStr Size Control in Pelletisation
title_full_unstemmed Size Control in Pelletisation
title_sort Size Control in Pelletisation
author_id_str_mv 70129c97689bf76aceae782893ff6810
author_id_fullname_str_mv 70129c97689bf76aceae782893ff6810_***_WILLIAM WALLS
author WILLIAM WALLS
author2 WILLIAM WALLS
format E-Thesis
publishDate 2022
institution Swansea University
doi_str_mv 10.23889/SUthesis.60119
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Engineering and Applied Sciences - Uncategorised{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Engineering and Applied Sciences - Uncategorised
document_store_str 1
active_str 0
description This thesis covers an investigation into the topic of size control in pel-letisation, with a focus on how it relates to the pelletisation of ferrous by products. The ferrous by product of focus is oily mill sludge, which has had its properties examined. The kinetic behaviour is also examined using Discrete Element Methods. Over the course of the investigation the growth behaviour of granules has been clarified as being able to be explained en-tirely through external saturation sources such as spray and consolidation behaviours. These contribute to the cohesion of individual pellets, and adhesion of pellets together, which constitute a completely new model of agglomeration. This Adhesion-Cohesion model is physically in line with agglomeration research and granular mechanics as a whole, and was subse-quently integrated into a Discrete Element Method simulation of agglom-eration which provided validation for the growth behaviour predicted.
published_date 2022-05-31T04:17:58Z
_version_ 1763754196955299840
score 11.035655

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