Potencial de biorremediação de Chlorella vulgaris (Chlorophyceae) em águas residuais do processamento da mandioca, Capítulo 9

Medeiros, Verónica de; Loures, Carla Cristina Almeida; Fernandes, Conceição

Publication

Potencial de biorremediação de Chlorella vulgaris (Chlorophyceae) em águas residuais do processamento da mandioca, Capítulo 9

2022Book part

dc.contributor.author	Medeiros, Verónica de
dc.contributor.author	Loures, Carla Cristina Almeida
dc.contributor.author	Fernandes, Conceição
dc.date.accessioned	2022-10-10T10:11:57Z
dc.date.available	2022-10-10T10:11:57Z
dc.date.issued	2022
dc.description.abstract	Most cassava processing industry generates a large volume of wastewater effluent with high contaminating load of COD and BOD and cyanide concentration, posing to a serious threat to the environment. A variety of processes has been tested to treat this wastewater effluent, where the effectiveness in reducing the toxicity varies greatly. Microalgae are photosynthetic microorganisms that can rapidly generate biomass from solar energy, CO2 and nutrients in water, namely those present in wastewater effluents. Also, algal biomass and algae-derived compounds are potentially useful in industrial applications, as well as for biodiesel production. Taking this into account, the aim of this work was evaluated the ability of Chlorella vulgaris to growth on cassava-processing effluent and assess the bioremediation potential by evaluating toxicity of effluent. Batch cultures, with C. vulgaris in suspended and in immobilized-cell systems, under different dilutions (20-50%) of cassava effluent were tested. The effectiveness of the process has been assessed by phytotoxicity, in germination trials of Lactuca sativa. Best results were obtained with C. vulgaris in immobilizedsystems and carried out with higher initial cell concentrations. Regarding the phytotoxicity, after biotreatment we can conclude that microalgae can reduce the toxicity of cassava effluent, leading to Germination Increase index (GI) range of 88-100%.	pt_PT
dc.description.version	info:eu-repo/semantics/publishedVersion	pt_PT
dc.identifier.citation	Medeiros, Verónica de; Loures, Carla Cristina Almeida; Fernandes, Conceição (2022). Potencial de biorremediação de Chlorella vulgaris (Chlorophyceae) em águas residuais do processamento da mandioca. In Engenharia química: Desenvolvimento de novos processos e produtos. [S.l]: Atena Editora. Cap. 9, p. 106-111. ISBN 978-65-258-0198-8	pt_PT
dc.identifier.isbn	978-65-258-0198-8
dc.identifier.uri	http://hdl.handle.net/10198/25971
dc.language.iso	eng	pt_PT
dc.peerreviewed	yes	pt_PT
dc.publisher	Editora Atena	pt_PT
dc.rights.uri	http://creativecommons.org/licenses/by/4.0/	pt_PT
dc.subject	Cassava wastewaters	pt_PT
dc.subject	Bioremediation	pt_PT
dc.subject	Chlorella vulgaris	pt_PT
dc.subject	Phytotoxicity	pt_PT
dc.subject	Lactuca sativa	pt_PT
dc.title	Potencial de biorremediação de Chlorella vulgaris (Chlorophyceae) em águas residuais do processamento da mandioca, Capítulo 9	pt_PT
dc.type	book part
dspace.entity.type	Publication
oaire.citation.endPage	111	pt_PT
oaire.citation.startPage	106	pt_PT
oaire.citation.title	Engenharia química: Desenvolvimento de novos processos e produtos	pt_PT
person.familyName	Fernandes
person.givenName	Conceição
person.identifier	15483
person.identifier.ciencia-id	6514-3D41-4534
person.identifier.orcid	0000-0003-2873-501X
person.identifier.scopus-author-id	23018336600
rcaap.rights	openAccess	pt_PT
rcaap.type	bookPart	pt_PT
relation.isAuthorOfPublication	d9c26c54-5e10-4ccb-b7f7-528af9eb9950
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