Optimization of CO2 bio-mitigation by Chlorella vulgaris
Autor(a) principal: | |
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Data de Publicação: | 2013 |
Outros Autores: | , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
Texto Completo: | http://hdl.handle.net/1822/24919 |
Resumo: | Abstract Biofixation of \CO2\ by microalgae has been recognized as an attractive approach to \CO2\ mitigation. The main objective of this work was to maximize the rate of \CO2\ fixation ( R \CO\ 2 ) by the green microalga Chlorella vulgaris \P12\ cultivated photoautotrophically in bubble column photobioreactors under different \CO2\ concentrations (ranging from 2% to 10%) and aeration rates (ranging from 0.1 to 0.7 vvm). Results showed that the maximum R \CO\ 2 (2.22 g L−1 d−1) was obtained by using 6.5% \CO2\ and 0.5 vvm after 7 days of cultivation at 30 °C. Although final biomass concentration and maximum biomass productivity of microalgae were affected by the different cultivation conditions, no significant differences were obtained in the biochemical composition of microalgal cells for the evaluated levels of aeration and CO2. The present study demonstrated that optimization of microalgal cultivation conditions can be considered a useful strategy for maximizing \CO2\ bio-mitigation by C. vulgaris. |
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Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
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Optimization of CO2 bio-mitigation by Chlorella vulgarisAeration rateBiological mitigationCarbon dioxide sequestrationMicroalgaePhotobioreactorsScience & TechnologyAbstract Biofixation of \CO2\ by microalgae has been recognized as an attractive approach to \CO2\ mitigation. The main objective of this work was to maximize the rate of \CO2\ fixation ( R \CO\ 2 ) by the green microalga Chlorella vulgaris \P12\ cultivated photoautotrophically in bubble column photobioreactors under different \CO2\ concentrations (ranging from 2% to 10%) and aeration rates (ranging from 0.1 to 0.7 vvm). Results showed that the maximum R \CO\ 2 (2.22 g L−1 d−1) was obtained by using 6.5% \CO2\ and 0.5 vvm after 7 days of cultivation at 30 °C. Although final biomass concentration and maximum biomass productivity of microalgae were affected by the different cultivation conditions, no significant differences were obtained in the biochemical composition of microalgal cells for the evaluated levels of aeration and CO2. The present study demonstrated that optimization of microalgal cultivation conditions can be considered a useful strategy for maximizing \CO2\ bio-mitigation by C. vulgaris.This study was supported by the grants SFRH/BD/44724/2008 (Bruno Fernandes) and SFRH/BPD/44935/2008 (Giuliano Dragone) from Fundacao para a Ciencia e a Tecnologia (Portugal). The authors also acknowledge the financial support received through the projects INNOVALGAE (FCT PTDC/AAC-AMB/108511/2008) and ALGANOL.ElsevierElsevier BVUniversidade do MinhoAnjos, MarianaFernandes, Bruno DanielVicente, A. A.Teixeira, J. A.Dragone, Giuliano20132013-01-01T00:00:00Zinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfhttp://hdl.handle.net/1822/24919eng0960-85240960-852410.1016/j.biortech.2013.04.03223648764info:eu-repo/semantics/openAccessreponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãoinstacron:RCAAP2023-07-21T12:30:24ZPortal AgregadorONG |
dc.title.none.fl_str_mv |
Optimization of CO2 bio-mitigation by Chlorella vulgaris |
title |
Optimization of CO2 bio-mitigation by Chlorella vulgaris |
spellingShingle |
Optimization of CO2 bio-mitigation by Chlorella vulgaris Anjos, Mariana Aeration rate Biological mitigation Carbon dioxide sequestration Microalgae Photobioreactors Science & Technology |
title_short |
Optimization of CO2 bio-mitigation by Chlorella vulgaris |
title_full |
Optimization of CO2 bio-mitigation by Chlorella vulgaris |
title_fullStr |
Optimization of CO2 bio-mitigation by Chlorella vulgaris |
title_full_unstemmed |
Optimization of CO2 bio-mitigation by Chlorella vulgaris |
title_sort |
Optimization of CO2 bio-mitigation by Chlorella vulgaris |
author |
Anjos, Mariana |
author_facet |
Anjos, Mariana Fernandes, Bruno Daniel Vicente, A. A. Teixeira, J. A. Dragone, Giuliano |
author_role |
author |
author2 |
Fernandes, Bruno Daniel Vicente, A. A. Teixeira, J. A. Dragone, Giuliano |
author2_role |
author author author author |
dc.contributor.none.fl_str_mv |
Universidade do Minho |
dc.contributor.author.fl_str_mv |
Anjos, Mariana Fernandes, Bruno Daniel Vicente, A. A. Teixeira, J. A. Dragone, Giuliano |
dc.subject.por.fl_str_mv |
Aeration rate Biological mitigation Carbon dioxide sequestration Microalgae Photobioreactors Science & Technology |
topic |
Aeration rate Biological mitigation Carbon dioxide sequestration Microalgae Photobioreactors Science & Technology |
description |
Abstract Biofixation of \CO2\ by microalgae has been recognized as an attractive approach to \CO2\ mitigation. The main objective of this work was to maximize the rate of \CO2\ fixation ( R \CO\ 2 ) by the green microalga Chlorella vulgaris \P12\ cultivated photoautotrophically in bubble column photobioreactors under different \CO2\ concentrations (ranging from 2% to 10%) and aeration rates (ranging from 0.1 to 0.7 vvm). Results showed that the maximum R \CO\ 2 (2.22 g L−1 d−1) was obtained by using 6.5% \CO2\ and 0.5 vvm after 7 days of cultivation at 30 °C. Although final biomass concentration and maximum biomass productivity of microalgae were affected by the different cultivation conditions, no significant differences were obtained in the biochemical composition of microalgal cells for the evaluated levels of aeration and CO2. The present study demonstrated that optimization of microalgal cultivation conditions can be considered a useful strategy for maximizing \CO2\ bio-mitigation by C. vulgaris. |
publishDate |
2013 |
dc.date.none.fl_str_mv |
2013 2013-01-01T00:00:00Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://hdl.handle.net/1822/24919 |
url |
http://hdl.handle.net/1822/24919 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
0960-8524 0960-8524 10.1016/j.biortech.2013.04.032 23648764 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.publisher.none.fl_str_mv |
Elsevier Elsevier BV |
publisher.none.fl_str_mv |
Elsevier Elsevier BV |
dc.source.none.fl_str_mv |
reponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação instacron:RCAAP |
instname_str |
Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação |
instacron_str |
RCAAP |
institution |
RCAAP |
reponame_str |
Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
collection |
Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
repository.name.fl_str_mv |
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repository.mail.fl_str_mv |
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_version_ |
1777303774293917696 |