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Improved Energy Efficiency in the Aluminium Industry and Its Supply Chains.

Bibliographic Details
Main Author: Haraldsson, Joakim.
Format: eBook
Language:English
Published: Linköping : Linkopings Universitet, 2020.
Edition:1st ed.
Series:Linköping Studies in Science and Technology. Dissertations Series
Subjects:
Electronic books.
Online Access:Click to View
Table of Contents:
  • Intro
  • Abstract
  • Sammanfattning
  • Appended papers
  • Other publications not included in the thesis
  • Acknowledgements
  • Abbreviations
  • Table of contents
  • 1 Introduction
  • 1.1 Motivation for research
  • 1.2 Aim and research questions
  • 1.3 Scope and delimitations
  • 1.4 Paper overview and co-author statement
  • 1.5 Other papers not included in the thesis
  • 1.6 Research journey
  • 2 Aluminium industry and aluminium casting foundries
  • 2.1 Production processes
  • 2.1.1 Electrolysis and alloying
  • 2.1.2 Recycling and alloying
  • 2.1.3 Generation of skimmings, dross and salt slag
  • 2.1.4 Casting
  • 2.1.5 Profile extrusion
  • 2.1.6 Rolling
  • 2.1.7 Heat treatment
  • 2.1.8 Anodic oxidation (anodising)
  • 2.1.9 Energy use
  • 2.2 The Swedish aluminium industry and aluminium casting foundries
  • 3 Concepts and definitions
  • 3.1 Energy efficiency improvement and energy saving
  • 3.2 Supply chains
  • 3.3 Primary energy factor
  • 3.4 Assessment of GHG emissions
  • 4 Previous research
  • 4.1 Improved energy efficiency in the aluminium industry
  • 4.2 Supply chains in relation to improved energy efficiency and reduced environmental impact
  • 4.3 The impact of energy efficiency measures on primary energy use, GHG emissions, and energy and CO2 costs
  • 4.4 Barriers, drivers and information sources
  • 5 Description of system levels and cases
  • 5.1 System levels
  • 5.2 Cases studied
  • 6 Methods and approaches
  • 6.1 Research design
  • 6.2 Literature review
  • 6.3 Calculation of the effects of energy efficiency measures on primary energy use, GHG emissions and related costs
  • 6.3.1 General assumptions
  • 6.3.2 The energy efficiency measures studied
  • 6.3.3 Choice of electricity
  • 6.3.4 Calculation of effects on primary energy use, GHG emissions, and energy and CO2 costs
  • 6.4 Focus groups
  • 6.5 Questionnaires
  • 6.5.1 Questionnaire 1.
  • 6.5.2 Questionnaire 2
  • 7 Results and analysis
  • 7.1 Existence of energy efficiency gap and changes in priority of energy issues
  • 7.2 Improved energy efficiency within the individual companies
  • 7.2.1 Energy efficiency measures found in literature
  • 7.2.2 Effects on primary energy use, GHG emissions, and related costs from improved energy efficiency in the electrolysis process
  • 7.2.3 Degree of implementation of energy efficiency measures
  • 7.2.4 Energy saving potentials for the companies
  • 7.3 Improved energy efficiency in the entire supply chains
  • 7.3.1 Energy efficiency measures for supply chains
  • 7.3.2 Energy efficiency improvement potentials for supply chains
  • 7.4 Factors hindering or driving improved energy efficiency
  • 8 Discussion
  • 8.1 Energy efficiency measures
  • 8.2 Energy efficiency improvement and energy saving potentials
  • 8.3 Factors affecting the work to improve energy efficiency
  • 8.4 Achieving carbon neutrality in the production and processing of aluminium
  • 8.5 Generalisability of the results
  • 8.6 Relevant recipients of the results
  • 9 Conclusions
  • 9.1 Research question 1
  • 9.2 Research question 2
  • 10 Further work
  • References
  • Appendix A: Energy efficiency measures included in the first questionnaire
  • Appendix B: Energy efficiency measures identified in literature
  • Appendix C: Ratings of barriers and drivers.

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