Municipal Wastewater: A Sustainable Source for the Green Microalgae Chlorella vulgaris Biomass Production
Autor(a) principal: | |
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Data de Publicação: | 2021 |
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/10316/100780 https://doi.org/10.3390/app11052207 |
Resumo: | The need to reduce the costs associated with microalgae cultivation encouraged scientific research into coupling this process with wastewater treatment. Thus, the aim of this work was to assess the growth of Chlorella vulgaris (Chlorophyta) in different effluents from a municipal wastewater treatment plant (WWTP), namely secondary effluent (SE) and sludge run-off (SR). Assays were performed, under the same conditions, in triplicate with 4 dilution ratios of the wastewaters (25%, 50%, 75% and 100%) with the standard culture medium bold basal medium double nitrated (BBM2N) as a control. The capability of C. vulgaris for biomass production, chlorophyll synthesis and nutrients removal in the SE and SR was evaluated. The 25% SE and 25% SR showed increased specific growth rates (0.47 and 0.55 day1, respectively) and higher biomass yields (8.64 107 and 1.95 107 cells/mL, respectively). Regarding the chlorophyll content, the 100% SR promoted the highest concentration of this pigment (2378 g/L). This green microalga was also able to remove 94.8% of total phosphorus of SE, while in 50% SR, 31.2% was removed. Removal of 73.9% and 65.9% of total nitrogen in 50% and 100% SR, respectively, was also observed. C. vulgaris growth can, therefore, be maximized with the addition of municipal effluents, to optimize biomass production, while cleansing the effluents. |
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Municipal Wastewater: A Sustainable Source for the Green Microalgae Chlorella vulgaris Biomass Productionmicroalgae cultivationbiomass productionnutrient removalwastewater treatmentbioactive compoundsThe need to reduce the costs associated with microalgae cultivation encouraged scientific research into coupling this process with wastewater treatment. Thus, the aim of this work was to assess the growth of Chlorella vulgaris (Chlorophyta) in different effluents from a municipal wastewater treatment plant (WWTP), namely secondary effluent (SE) and sludge run-off (SR). Assays were performed, under the same conditions, in triplicate with 4 dilution ratios of the wastewaters (25%, 50%, 75% and 100%) with the standard culture medium bold basal medium double nitrated (BBM2N) as a control. The capability of C. vulgaris for biomass production, chlorophyll synthesis and nutrients removal in the SE and SR was evaluated. The 25% SE and 25% SR showed increased specific growth rates (0.47 and 0.55 day1, respectively) and higher biomass yields (8.64 107 and 1.95 107 cells/mL, respectively). Regarding the chlorophyll content, the 100% SR promoted the highest concentration of this pigment (2378 g/L). This green microalga was also able to remove 94.8% of total phosphorus of SE, while in 50% SR, 31.2% was removed. Removal of 73.9% and 65.9% of total nitrogen in 50% and 100% SR, respectively, was also observed. C. vulgaris growth can, therefore, be maximized with the addition of municipal effluents, to optimize biomass production, while cleansing the effluents.2021info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articlehttp://hdl.handle.net/10316/100780http://hdl.handle.net/10316/100780https://doi.org/10.3390/app11052207eng2076-3417Pacheco, DianaRocha, A. Cristina S.Garcia, AnalieBóia, AnaPereira, LeonelVerdelhos, Tiagoinfo: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:RCAAP2022-07-19T11:40:30Zoai:estudogeral.uc.pt:10316/100780Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireopendoar:71602024-03-19T21:18:05.747675Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãofalse |
dc.title.none.fl_str_mv |
Municipal Wastewater: A Sustainable Source for the Green Microalgae Chlorella vulgaris Biomass Production |
title |
Municipal Wastewater: A Sustainable Source for the Green Microalgae Chlorella vulgaris Biomass Production |
spellingShingle |
Municipal Wastewater: A Sustainable Source for the Green Microalgae Chlorella vulgaris Biomass Production Pacheco, Diana microalgae cultivation biomass production nutrient removal wastewater treatment bioactive compounds |
title_short |
Municipal Wastewater: A Sustainable Source for the Green Microalgae Chlorella vulgaris Biomass Production |
title_full |
Municipal Wastewater: A Sustainable Source for the Green Microalgae Chlorella vulgaris Biomass Production |
title_fullStr |
Municipal Wastewater: A Sustainable Source for the Green Microalgae Chlorella vulgaris Biomass Production |
title_full_unstemmed |
Municipal Wastewater: A Sustainable Source for the Green Microalgae Chlorella vulgaris Biomass Production |
title_sort |
Municipal Wastewater: A Sustainable Source for the Green Microalgae Chlorella vulgaris Biomass Production |
author |
Pacheco, Diana |
author_facet |
Pacheco, Diana Rocha, A. Cristina S. Garcia, Analie Bóia, Ana Pereira, Leonel Verdelhos, Tiago |
author_role |
author |
author2 |
Rocha, A. Cristina S. Garcia, Analie Bóia, Ana Pereira, Leonel Verdelhos, Tiago |
author2_role |
author author author author author |
dc.contributor.author.fl_str_mv |
Pacheco, Diana Rocha, A. Cristina S. Garcia, Analie Bóia, Ana Pereira, Leonel Verdelhos, Tiago |
dc.subject.por.fl_str_mv |
microalgae cultivation biomass production nutrient removal wastewater treatment bioactive compounds |
topic |
microalgae cultivation biomass production nutrient removal wastewater treatment bioactive compounds |
description |
The need to reduce the costs associated with microalgae cultivation encouraged scientific research into coupling this process with wastewater treatment. Thus, the aim of this work was to assess the growth of Chlorella vulgaris (Chlorophyta) in different effluents from a municipal wastewater treatment plant (WWTP), namely secondary effluent (SE) and sludge run-off (SR). Assays were performed, under the same conditions, in triplicate with 4 dilution ratios of the wastewaters (25%, 50%, 75% and 100%) with the standard culture medium bold basal medium double nitrated (BBM2N) as a control. The capability of C. vulgaris for biomass production, chlorophyll synthesis and nutrients removal in the SE and SR was evaluated. The 25% SE and 25% SR showed increased specific growth rates (0.47 and 0.55 day1, respectively) and higher biomass yields (8.64 107 and 1.95 107 cells/mL, respectively). Regarding the chlorophyll content, the 100% SR promoted the highest concentration of this pigment (2378 g/L). This green microalga was also able to remove 94.8% of total phosphorus of SE, while in 50% SR, 31.2% was removed. Removal of 73.9% and 65.9% of total nitrogen in 50% and 100% SR, respectively, was also observed. C. vulgaris growth can, therefore, be maximized with the addition of municipal effluents, to optimize biomass production, while cleansing the effluents. |
publishDate |
2021 |
dc.date.none.fl_str_mv |
2021 |
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/10316/100780 http://hdl.handle.net/10316/100780 https://doi.org/10.3390/app11052207 |
url |
http://hdl.handle.net/10316/100780 https://doi.org/10.3390/app11052207 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
2076-3417 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
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 |
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Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação |
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RCAAP |
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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 |
Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação |
repository.mail.fl_str_mv |
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1799134076251144192 |