Impact of Structural Changes on Energy Efficiency of Finnish Pulp and Paper Industry

A key challenge in prevention of global warming is how to increase energy efficiency, to be able to deal with increased fossil CO<sub>2</sub> emissions from rising energy usage. Increasing energy efficiency will decrease energy usage and is in a key role in emission mitigation. The focus...

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Main Authors: Satu Kähkönen, Esa Vakkilainen, Timo Laukkanen
Format: Article
Language:English
Published: MDPI AG 2019-09-01
Series:Energies
Subjects:
Online Access:https://www.mdpi.com/1996-1073/12/19/3689
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author Satu Kähkönen
Esa Vakkilainen
Timo Laukkanen
author_facet Satu Kähkönen
Esa Vakkilainen
Timo Laukkanen
author_sort Satu Kähkönen
collection DOAJ
description A key challenge in prevention of global warming is how to increase energy efficiency, to be able to deal with increased fossil CO<sub>2</sub> emissions from rising energy usage. Increasing energy efficiency will decrease energy usage and is in a key role in emission mitigation. The focus is the pulp and paper industry, which is energy-intensive. Development of industrial energy efficiency has been studied before but the role of industrial transformation is still mostly unknown. The knowledge must be improved, to be able to predict future developments in the most effective way. In this research, impact of various production unit closures and start-ups on energy efficiency of the Finnish pulp and paper industry were studied utilizing statistical analysis. Results indicate that about 20% of the Finnish pulp and paper industry energy efficiency improvement between 2011 and 2017 is caused by the major structural changes. The rest, 80% of the progress, was mainly due to improved technology and more optimal operational modes. Additional findings suggest that modern mill start-ups have a significantly greater potential to reduce energy consumption than old mill closures.
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spelling doaj.art-0e099a970b9e464b9d0087730fe5ad7e2022-12-22T04:01:25ZengMDPI AGEnergies1996-10732019-09-011219368910.3390/en12193689en12193689Impact of Structural Changes on Energy Efficiency of Finnish Pulp and Paper IndustrySatu Kähkönen0Esa Vakkilainen1Timo Laukkanen2Laboratory of Sustainable Energy Systems, School of Energy Systems, LUT University, 53851 Lappeenranta, FinlandLaboratory of Sustainable Energy Systems, School of Energy Systems, LUT University, 53851 Lappeenranta, FinlandDepartment of Mechanical Engineering, School of Engineering, Aalto University, 00076 Espoo, FinlandA key challenge in prevention of global warming is how to increase energy efficiency, to be able to deal with increased fossil CO<sub>2</sub> emissions from rising energy usage. Increasing energy efficiency will decrease energy usage and is in a key role in emission mitigation. The focus is the pulp and paper industry, which is energy-intensive. Development of industrial energy efficiency has been studied before but the role of industrial transformation is still mostly unknown. The knowledge must be improved, to be able to predict future developments in the most effective way. In this research, impact of various production unit closures and start-ups on energy efficiency of the Finnish pulp and paper industry were studied utilizing statistical analysis. Results indicate that about 20% of the Finnish pulp and paper industry energy efficiency improvement between 2011 and 2017 is caused by the major structural changes. The rest, 80% of the progress, was mainly due to improved technology and more optimal operational modes. Additional findings suggest that modern mill start-ups have a significantly greater potential to reduce energy consumption than old mill closures.https://www.mdpi.com/1996-1073/12/19/3689energy efficiencypulppaperenergy consumptionstructural change
spellingShingle Satu Kähkönen
Esa Vakkilainen
Timo Laukkanen
Impact of Structural Changes on Energy Efficiency of Finnish Pulp and Paper Industry
Energies
energy efficiency
pulp
paper
energy consumption
structural change
title Impact of Structural Changes on Energy Efficiency of Finnish Pulp and Paper Industry
title_full Impact of Structural Changes on Energy Efficiency of Finnish Pulp and Paper Industry
title_fullStr Impact of Structural Changes on Energy Efficiency of Finnish Pulp and Paper Industry
title_full_unstemmed Impact of Structural Changes on Energy Efficiency of Finnish Pulp and Paper Industry
title_short Impact of Structural Changes on Energy Efficiency of Finnish Pulp and Paper Industry
title_sort impact of structural changes on energy efficiency of finnish pulp and paper industry
topic energy efficiency
pulp
paper
energy consumption
structural change
url https://www.mdpi.com/1996-1073/12/19/3689
work_keys_str_mv AT satukahkonen impactofstructuralchangesonenergyefficiencyoffinnishpulpandpaperindustry
AT esavakkilainen impactofstructuralchangesonenergyefficiencyoffinnishpulpandpaperindustry
AT timolaukkanen impactofstructuralchangesonenergyefficiencyoffinnishpulpandpaperindustry