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@article{Oluleye:2023:10.3389/frsus.2023.1057064,
author = {Oluleye, O and Bishay, D and Kas, B},
doi = {10.3389/frsus.2023.1057064},
journal = {Frontiers in Sustainability},
pages = {1--15},
title = {Can a hierarchical ordering of alternative technological concepts for decarbonizing industrial energy systems minimize mitigation costs?},
url = {http://dx.doi.org/10.3389/frsus.2023.1057064},
volume = {4},
year = {2023}
}
TY - JOUR
AB - Integration of alternative technological concepts such as switching to alternative fuels, advanced energy efficiency, and carbon capture & storage in existing industrial energy systems can prove highly effective at minimising emissions; however, their adoption is low since solutions using these concepts raise costs considerably. The hypothesis of this work is a hierarchical combination of these concepts can reduce mitigation cost. To this end a mixed method approach is applied combining energy simulation with a novel Mixed Integer Linear Programming model developed to explore 48 alternative solutions to make industrial energy systems more sustainable. The method was applied to the most common industrial energy systems configurations. Results show that the added cost of integrating alternative technological concepts are lowered when energy efficiency via direct heat recovery is explored first in an optimisation-based hierarchy of options. The hierarchy is advanced energy efficiency before fuel and technology switching or integrating carbon capture and storage. This means process integration can pay for steeper reductions in carbon emissions. Integrating alternative technological concepts optimally and hierarchically reduced emissions by 61%, and costs by 55.7% compared to a partial integration for a heat-only business-as-usual industrial energy systems. Even though switching to an alternative fuel (blue hydrogen) reduces carbon emissions by 72%, costs increase by at least 3% compared to a system using fuel gas and fuel oil. A hierarchical integration of blue hydrogen reduces cost by 47% and carbon emissions by 88.7%. Partial integration of carbon capture and storage reduces carbon emissions by 36% but costs increase by 89%, with full integration using optimisation and the hierarchy costs only increase by 6.3%. therefore, the cost-effectiveness of integrating alternative technological concepts is highly influenced by the hierarchy which seeks to minimise demand fo
AU - Oluleye,O
AU - Bishay,D
AU - Kas,B
DO - 10.3389/frsus.2023.1057064
EP - 15
PY - 2023///
SN - 2673-4524
SP - 1
TI - Can a hierarchical ordering of alternative technological concepts for decarbonizing industrial energy systems minimize mitigation costs?
T2 - Frontiers in Sustainability
UR - http://dx.doi.org/10.3389/frsus.2023.1057064
UR - https://www.frontiersin.org/articles/10.3389/frsus.2023.1057064/full
VL - 4
ER -
Climate Science
Earth and Life Sciences
Energy and Low-Carbon Futures
Resources and Pollution
Economics and Finance
Health
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