Life‐cycle assessment of the production of cationized tannins from Norway spruce bark as flocculants in wastewater treatment
Abstract It will be necessary to make efficient use of our resources if our society is to be converted into a bio‐based economy. Every year large side streams of bark are produced in sawmills and pulp mills. In addition to utilizing the bark for heat and electricity production, as happens today, hig...
Published in: | Biofuels, Bioproducts and Biorefining |
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crwiley:10.1002/bbb.2139 2024-09-15T18:38:05+00:00 Life‐cycle assessment of the production of cationized tannins from Norway spruce bark as flocculants in wastewater treatment Carlqvist, Karin Arshadi, Mehrdad Mossing, Torgny Östman, Ulla‐Britt Brännström, Hanna Halmemies, Eelis Nurmi, Juha Lidén, Gunnar Börjesson, Pål 2020 http://dx.doi.org/10.1002/bbb.2139 https://onlinelibrary.wiley.com/doi/pdf/10.1002/bbb.2139 https://onlinelibrary.wiley.com/doi/full-xml/10.1002/bbb.2139 en eng Wiley http://creativecommons.org/licenses/by/4.0/ Biofuels, Bioproducts and Biorefining volume 14, issue 6, page 1270-1285 ISSN 1932-104X 1932-1031 journal-article 2020 crwiley https://doi.org/10.1002/bbb.2139 2024-08-27T04:29:38Z Abstract It will be necessary to make efficient use of our resources if our society is to be converted into a bio‐based economy. Every year large side streams of bark are produced in sawmills and pulp mills. In addition to utilizing the bark for heat and electricity production, as happens today, high‐value chemical components could be extracted prior to energy conversion. These components include tannins. Cationized tannins have already been indicated as promising renewable flocculants in wastewater treatment. However, today's industrial production of tannins uses species from subtropical or temperate climates, and there has so far been little attention to the use of tannins from Norway spruce ( Picea abies ), an important species in forestry in the subarctic climate. The present life‐cycle assessment (LCA) was undertaken to understand the environmental performance of the production of cationized tannins from the bark of Norway spruce and how the environmental impact is distributed along the production system. This work was connected to the Interreg Botnia‐Atlantica TanWat research project, which studies the production and use of cationized tannins from Norway spruce for wastewater treatment at a pilot scale. The present LCA shows that the main environmental impact stems from the reagents used in the cationization step. The purification step could also be a significant issue depending on the possibility of reusing the eluent (ethanol) and the lifetime of the resin. The importance of running the processes with as concentrated streams as possible to minimize the need of process water and energy was also confirmed © 2020 The Authors. Biofuels, Bioproducts, and Biorefining published by Society of Chemical Industry and John Wiley & Sons, Ltd. Article in Journal/Newspaper Subarctic Wiley Online Library Biofuels, Bioproducts and Biorefining 14 6 1270 1285 |
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Wiley Online Library |
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crwiley |
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English |
description |
Abstract It will be necessary to make efficient use of our resources if our society is to be converted into a bio‐based economy. Every year large side streams of bark are produced in sawmills and pulp mills. In addition to utilizing the bark for heat and electricity production, as happens today, high‐value chemical components could be extracted prior to energy conversion. These components include tannins. Cationized tannins have already been indicated as promising renewable flocculants in wastewater treatment. However, today's industrial production of tannins uses species from subtropical or temperate climates, and there has so far been little attention to the use of tannins from Norway spruce ( Picea abies ), an important species in forestry in the subarctic climate. The present life‐cycle assessment (LCA) was undertaken to understand the environmental performance of the production of cationized tannins from the bark of Norway spruce and how the environmental impact is distributed along the production system. This work was connected to the Interreg Botnia‐Atlantica TanWat research project, which studies the production and use of cationized tannins from Norway spruce for wastewater treatment at a pilot scale. The present LCA shows that the main environmental impact stems from the reagents used in the cationization step. The purification step could also be a significant issue depending on the possibility of reusing the eluent (ethanol) and the lifetime of the resin. The importance of running the processes with as concentrated streams as possible to minimize the need of process water and energy was also confirmed © 2020 The Authors. Biofuels, Bioproducts, and Biorefining published by Society of Chemical Industry and John Wiley & Sons, Ltd. |
format |
Article in Journal/Newspaper |
author |
Carlqvist, Karin Arshadi, Mehrdad Mossing, Torgny Östman, Ulla‐Britt Brännström, Hanna Halmemies, Eelis Nurmi, Juha Lidén, Gunnar Börjesson, Pål |
spellingShingle |
Carlqvist, Karin Arshadi, Mehrdad Mossing, Torgny Östman, Ulla‐Britt Brännström, Hanna Halmemies, Eelis Nurmi, Juha Lidén, Gunnar Börjesson, Pål Life‐cycle assessment of the production of cationized tannins from Norway spruce bark as flocculants in wastewater treatment |
author_facet |
Carlqvist, Karin Arshadi, Mehrdad Mossing, Torgny Östman, Ulla‐Britt Brännström, Hanna Halmemies, Eelis Nurmi, Juha Lidén, Gunnar Börjesson, Pål |
author_sort |
Carlqvist, Karin |
title |
Life‐cycle assessment of the production of cationized tannins from Norway spruce bark as flocculants in wastewater treatment |
title_short |
Life‐cycle assessment of the production of cationized tannins from Norway spruce bark as flocculants in wastewater treatment |
title_full |
Life‐cycle assessment of the production of cationized tannins from Norway spruce bark as flocculants in wastewater treatment |
title_fullStr |
Life‐cycle assessment of the production of cationized tannins from Norway spruce bark as flocculants in wastewater treatment |
title_full_unstemmed |
Life‐cycle assessment of the production of cationized tannins from Norway spruce bark as flocculants in wastewater treatment |
title_sort |
life‐cycle assessment of the production of cationized tannins from norway spruce bark as flocculants in wastewater treatment |
publisher |
Wiley |
publishDate |
2020 |
url |
http://dx.doi.org/10.1002/bbb.2139 https://onlinelibrary.wiley.com/doi/pdf/10.1002/bbb.2139 https://onlinelibrary.wiley.com/doi/full-xml/10.1002/bbb.2139 |
genre |
Subarctic |
genre_facet |
Subarctic |
op_source |
Biofuels, Bioproducts and Biorefining volume 14, issue 6, page 1270-1285 ISSN 1932-104X 1932-1031 |
op_rights |
http://creativecommons.org/licenses/by/4.0/ |
op_doi |
https://doi.org/10.1002/bbb.2139 |
container_title |
Biofuels, Bioproducts and Biorefining |
container_volume |
14 |
container_issue |
6 |
container_start_page |
1270 |
op_container_end_page |
1285 |
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1810482417543151616 |