Design of an electroflotation system for the concentration and harvesting of freshwater microalgae

6 p.

Autores:
Castellanos Estupiñan, Miguel A.
Sánchez Galvis, Edwar M.
García Martínez, Janet Bibiana
Barajas Ferreira, Crisóstomo
Zuorro, Antonio
Barajas Solano, Andrés Fernando
Tipo de recurso:
Article of journal
Fecha de publicación:
2018
Institución:
Universidad de Santander
Repositorio:
Repositorio Universidad de Santander
Idioma:
eng
OAI Identifier:
oai:repositorio.udes.edu.co:001/3396
Acceso en línea:
https://repositorio.udes.edu.co/handle/001/3396
Palabra clave:
Microalgae
Agro-industrial Water residues
Rights
openAccess
License
Derechos Reservados - Universidad de Santander, 2018
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dc.title.eng.fl_str_mv Design of an electroflotation system for the concentration and harvesting of freshwater microalgae
title Design of an electroflotation system for the concentration and harvesting of freshwater microalgae
spellingShingle Design of an electroflotation system for the concentration and harvesting of freshwater microalgae
Microalgae
Agro-industrial Water residues
title_short Design of an electroflotation system for the concentration and harvesting of freshwater microalgae
title_full Design of an electroflotation system for the concentration and harvesting of freshwater microalgae
title_fullStr Design of an electroflotation system for the concentration and harvesting of freshwater microalgae
title_full_unstemmed Design of an electroflotation system for the concentration and harvesting of freshwater microalgae
title_sort Design of an electroflotation system for the concentration and harvesting of freshwater microalgae
dc.creator.fl_str_mv Castellanos Estupiñan, Miguel A.
Sánchez Galvis, Edwar M.
García Martínez, Janet Bibiana
Barajas Ferreira, Crisóstomo
Zuorro, Antonio
Barajas Solano, Andrés Fernando
dc.contributor.author.spa.fl_str_mv Castellanos Estupiñan, Miguel A.
Sánchez Galvis, Edwar M.
García Martínez, Janet Bibiana
Barajas Ferreira, Crisóstomo
Zuorro, Antonio
Barajas Solano, Andrés Fernando
dc.subject.proposal.eng.fl_str_mv Microalgae
Agro-industrial Water residues
topic Microalgae
Agro-industrial Water residues
description 6 p.
publishDate 2018
dc.date.issued.spa.fl_str_mv 2018
dc.date.accessioned.spa.fl_str_mv 2019-07-16T13:22:53Z
dc.date.available.spa.fl_str_mv 2019-07-16T13:22:53Z
dc.type.spa.fl_str_mv Artículo de revista
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dc.identifier.doi.spa.fl_str_mv 10.3303/CET1864001
dc.identifier.issn.spa.fl_str_mv 2283-9216
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url https://repositorio.udes.edu.co/handle/001/3396
dc.language.iso.spa.fl_str_mv eng
language eng
dc.relation.ispartof.eng.fl_str_mv Chemical Engineering Transactions
dc.rights.spa.fl_str_mv Derechos Reservados - Universidad de Santander, 2018
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rights_invalid_str_mv Derechos Reservados - Universidad de Santander, 2018
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spelling Castellanos Estupiñan, Miguel A.36128c93-80f0-411b-bbed-5ed7ae278345-1Sánchez Galvis, Edwar M.8c621427-4385-4a02-924a-098a006b7cd4-1García Martínez, Janet Bibiana89e2c09e-698f-402b-913f-696675065e68-1Barajas Ferreira, Crisóstomoc2bb409e-fa76-4523-a569-4626f71ffdad-1Zuorro, Antonio2969e913-fdd9-49c5-ac30-2c47e4bbe195-1Barajas Solano, Andrés Fernando5c265abf-bb89-4d35-b797-e933564b4001-12019-07-16T13:22:53Z2019-07-16T13:22:53Z20186 p.Microalgae are considered as one of the most promising alternatives for the integrated use of agro-industrial water residues and the production of metabolites of high industrial interest. This is due to algae can grow on wastewater which in turn can reduce the emission of nutrients to rivers and lakes. However, the greatest scientific-technological barrier is the concentration and separation of the biomass produced. There are several processes used at different levels (from laboratory to industrial scale) such as flocculation, centrifugation, flotation, etc. These can be very expensive or can (possibly) contaminate the biomass. Unlike the previous ones, electroflotation has been proposed as a cost-efficient method, nevertheless its final efficiency will depend heavily on the type of alga and culture medium. Taking into account the above, the present project aims to design an electroflotation system for the concentration and harvest of microalgae biomass. The effect of several factors (pH, time, voltage and distance between the electrodes) and for types of materials (Copper, Aluminium, Iron and Steel) on biomass recovery efficiency from a culture of Chlorella vulgaris UTEX 1803 was evaluated by the implementation of a Design of experiments (43 non-factorial design) using STATISTICA 7.0. Results show that, the materials with higher concentration efficiency were cooper and aluminium with 40 and 80% respectively, and the most relevant factors were distance between electrodes (1-2 cm), time (>20 min) and Voltage (>15V). In order to increase the efficiency of the overall process a new 43 experimental factorial design was proposed using as factors distance between electrodes, time, voltage and agitation. Results show that agitation positively affects the total efficiency until reaching a total concentration of the biomass (100%). It was found that a voltage close to 50V and a time greater than 25 min positively affect the final efficiency of the copper and aluminium electrodes, however aluminium has the highest efficiency (> 95%) compared to copper (<85%).application/pdf10.3303/CET18640012283-9216https://repositorio.udes.edu.co/handle/001/3396engChemical Engineering TransactionsDerechos Reservados - Universidad de Santander, 2018info:eu-repo/semantics/openAccessAtribución-NoComercial 4.0 Internacional (CC BY-NC 4.0)https://creativecommons.org/licenses/by-nc/4.0/http://purl.org/coar/access_right/c_abf2https://www.aidic.it/cet/18/64/001.pdfMicroalgaeAgro-industrial Water residuesDesign of an electroflotation system for the concentration and harvesting of freshwater microalgaeArtículo de revistahttp://purl.org/coar/resource_type/c_6501http://purl.org/coar/resource_type/c_2df8fbb1Textinfo:eu-repo/semantics/articlehttp://purl.org/redcol/resource_type/ARTinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/version/c_970fb48d4fbd8a85PublicationTHUMBNAILDesign of an electroflotation system for the concentration and harvesting of freshwater microalgae.pdf.jpgDesign of an electroflotation system for the concentration and harvesting of freshwater microalgae.pdf.jpgGenerated Thumbnailimage/jpeg1618https://repositorio.udes.edu.co/bitstreams/4de2ba07-9bc2-4cc4-8edf-7f97ea5d74d6/downloadf9beefec9ab374e1db1271f69b660ad1MD54TEXTDesign of an electroflotation system for the concentration and harvesting of freshwater microalgae.pdf.txtDesign of an electroflotation system for the concentration and harvesting of freshwater microalgae.pdf.txtExtracted texttext/plain18641https://repositorio.udes.edu.co/bitstreams/d78b0fb8-1ff9-400f-b538-35b3d8f2eaef/download368cf1a9bd740ac3e8f5706af34c3937MD53LICENSElicense.txtlicense.txttext/plain; charset=utf-859https://repositorio.udes.edu.co/bitstreams/15a708a0-8587-4e6f-b95c-9807f201d82c/download38d94cf55aa1bf2dac1a736ac45c881cMD52ORIGINALDesign of an electroflotation system for the concentration and harvesting of freshwater microalgae.pdfDesign of an electroflotation system for the concentration and harvesting of freshwater microalgae.pdfapplication/pdf286639https://repositorio.udes.edu.co/bitstreams/268d3e4e-9658-4807-a52f-d75c83e596c1/downloadc2620debeea7268a32093116ce4dafa9MD55001/3396oai:repositorio.udes.edu.co:001/33962023-10-11 11:22:55.742https://creativecommons.org/licenses/by-nc/4.0/Derechos Reservados - Universidad de Santander, 2018https://repositorio.udes.edu.coRepositorio Universidad de Santandersoporte@metabiblioteca.comTGljZW5jaWEgZGUgUHVibGljYWNpw7NuIFVERVMKRGlyZWN0cmljZXMgZGUgVVNPIHkgQUNDRVNPCgo=