Anaerobic digestion of pre-treated microalgae biomass

Detalhes bibliográficos
Autor(a) principal: Neves, André
Data de Publicação: 2018
Outros Autores: Silva, Teresa Lopes da, Reis, Alberto, Ramalho, Luís, Eusebio, Ana, Marques, Isabel Paula
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
Texto Completo: http://hdl.handle.net/10400.9/3090
Resumo: ABSTRACT: Chlorella vulgaris microalgae biomass was cultivated in brewery secondary effluents and used as a recalcitrant effluent to be valorised energetically by anaerobic digestion process. All previous techniques applied for cellular disruption – autoclave, freeze/heating, ultrasound, microwave - provided either high absorption values and release of reducing sugars in the medium or membrane cells damage, compared to the untreated sample, indicating that the pre-treatment action was effective. The highest methane production was attained by the autoclave and untreated microalgae assays (samples with less permeabilized cells) while the lowest was provide by the microwaves biomasses pre-treatment: 163-178 mL versus 67 mL CH4. COD removal of 27-29 % and 16 % and TS removal of 28-32 % and 17 % were obtained, respectively. The corresponding methane yield achieved values of 0.04 and 0.030 L g-1 COD and 0.205-0.235 L g-1 TS related to concentrations determined in the influent.
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spelling Anaerobic digestion of pre-treated microalgae biomassMicroalgaeMicroalgal biomassAnaerobic digestionChlorella VulgarisBiogas productionABSTRACT: Chlorella vulgaris microalgae biomass was cultivated in brewery secondary effluents and used as a recalcitrant effluent to be valorised energetically by anaerobic digestion process. All previous techniques applied for cellular disruption – autoclave, freeze/heating, ultrasound, microwave - provided either high absorption values and release of reducing sugars in the medium or membrane cells damage, compared to the untreated sample, indicating that the pre-treatment action was effective. The highest methane production was attained by the autoclave and untreated microalgae assays (samples with less permeabilized cells) while the lowest was provide by the microwaves biomasses pre-treatment: 163-178 mL versus 67 mL CH4. COD removal of 27-29 % and 16 % and TS removal of 28-32 % and 17 % were obtained, respectively. The corresponding methane yield achieved values of 0.04 and 0.030 L g-1 COD and 0.205-0.235 L g-1 TS related to concentrations determined in the influent.AIDIC - The Italian Association of Chemical EngineeringRepositório do LNEGNeves, AndréSilva, Teresa Lopes daReis, AlbertoRamalho, LuísEusebio, AnaMarques, Isabel Paula2018-11-06T14:35:31Z20182018-01-01T00:00:00Zinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfhttp://hdl.handle.net/10400.9/3090engNeves, André.; Silva, Teresa L.; Reis, Alberto... [et.al.]. - Anaerobic digestion of pre-treated microalgae biomass. In: Chemical Engineering Transactions, 2018, Vol. 64, p. 169-1742283-921610.3303/CET1864029info: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:RCAAP2023-02-12T05:16:20Zoai:repositorio.lneg.pt:10400.9/3090Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireopendoar:71602024-03-19T15:36:15.111933Repositório 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 Anaerobic digestion of pre-treated microalgae biomass
title Anaerobic digestion of pre-treated microalgae biomass
spellingShingle Anaerobic digestion of pre-treated microalgae biomass
Neves, André
Microalgae
Microalgal biomass
Anaerobic digestion
Chlorella Vulgaris
Biogas production
title_short Anaerobic digestion of pre-treated microalgae biomass
title_full Anaerobic digestion of pre-treated microalgae biomass
title_fullStr Anaerobic digestion of pre-treated microalgae biomass
title_full_unstemmed Anaerobic digestion of pre-treated microalgae biomass
title_sort Anaerobic digestion of pre-treated microalgae biomass
author Neves, André
author_facet Neves, André
Silva, Teresa Lopes da
Reis, Alberto
Ramalho, Luís
Eusebio, Ana
Marques, Isabel Paula
author_role author
author2 Silva, Teresa Lopes da
Reis, Alberto
Ramalho, Luís
Eusebio, Ana
Marques, Isabel Paula
author2_role author
author
author
author
author
dc.contributor.none.fl_str_mv Repositório do LNEG
dc.contributor.author.fl_str_mv Neves, André
Silva, Teresa Lopes da
Reis, Alberto
Ramalho, Luís
Eusebio, Ana
Marques, Isabel Paula
dc.subject.por.fl_str_mv Microalgae
Microalgal biomass
Anaerobic digestion
Chlorella Vulgaris
Biogas production
topic Microalgae
Microalgal biomass
Anaerobic digestion
Chlorella Vulgaris
Biogas production
description ABSTRACT: Chlorella vulgaris microalgae biomass was cultivated in brewery secondary effluents and used as a recalcitrant effluent to be valorised energetically by anaerobic digestion process. All previous techniques applied for cellular disruption – autoclave, freeze/heating, ultrasound, microwave - provided either high absorption values and release of reducing sugars in the medium or membrane cells damage, compared to the untreated sample, indicating that the pre-treatment action was effective. The highest methane production was attained by the autoclave and untreated microalgae assays (samples with less permeabilized cells) while the lowest was provide by the microwaves biomasses pre-treatment: 163-178 mL versus 67 mL CH4. COD removal of 27-29 % and 16 % and TS removal of 28-32 % and 17 % were obtained, respectively. The corresponding methane yield achieved values of 0.04 and 0.030 L g-1 COD and 0.205-0.235 L g-1 TS related to concentrations determined in the influent.
publishDate 2018
dc.date.none.fl_str_mv 2018-11-06T14:35:31Z
2018
2018-01-01T00:00:00Z
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/10400.9/3090
url http://hdl.handle.net/10400.9/3090
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv Neves, André.; Silva, Teresa L.; Reis, Alberto... [et.al.]. - Anaerobic digestion of pre-treated microalgae biomass. In: Chemical Engineering Transactions, 2018, Vol. 64, p. 169-174
2283-9216
10.3303/CET1864029
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 AIDIC - The Italian Association of Chemical Engineering
publisher.none.fl_str_mv AIDIC - The Italian Association of Chemical Engineering
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 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
_version_ 1799130228110393344

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