Repository logo
 
Publication

Improving the energy efficiency of an electrodialytic process to extract phosphorus from municipal solid waste digestate through different strategies

2019-06Journal article Restricted access
Simple item page
dc.contributor.authorOliveira, Verónica
dc.contributor.authorKirklund, G.
dc.contributor.authorHorta, Carmo
dc.contributor.authorLabrincha, João
dc.contributor.authorFerreira, Célia
dc.contributor.authorKirkelund, Gunvor M.
dc.date.accessioned2020-03-04T19:49:29Z
dc.date.available2020-03-04T19:49:29Z
dc.date.issued2019-06
dc.date.updated2020-02-29T11:56:57Z
dc.descriptionThis work has been funded by Portuguese National Funds through FCT – Portuguese Foundation for Science and Technology under CERNAS (UID/AMB/00681/2013). Celia Dias-Ferreira and Verónica Oliveira have been funded through FCT “Fundação para a Ciência e para a Tecnologia” by POCH – Programa Operacional Capital Humano within ESF – European Social Fund and by national funds from MCTES (SFRH/BPD/100717/2014; SFRH/BD/115312/2016). The authors would like to thank Sabrina Hvid for carrying out ICP analyses.pt_PT
dc.description.abstractThis work assesses the possibility of energy optimisation during the electrodialytic extraction of phosphorus from the municipal solid waste digestate. Strategies tested for energy optimisation consisted in (i) using a dualstage extraction approach; (ii) replacement of continuous stirring by pulse stirring and; (iii) utilisation of pulse electric current as an alternative to a constant current. Experiments were carried out using different stirring profiles (continuous stirring, pulsed stirring, manual stirring and no stirring) and different profiles for generating the electric field (continuous current and pulsed current). Dual-stage approach decreased the energy consumption by 30%. Energy was mainly used in the stirring operation (80%). Applying this strategy caused a faster acidification of the waste suspension and reduced the time required for the extraction. As for the second strategy, use of pulse stirring, it is possible to save energy by operating the stirrer 25% of the time, without compromising the phosphorus extraction values, which are close to 90%. Corresponding energy savings reached 70%. The third strategy tested, use of pulse current, had as side-effect a significant decrease of the phosphorus extracted, so the implementation of pulse current is not recommended. Overall, the energy efficiency of the electrodialytic extraction of phosphorus can be improved by 80% through the use of the dual-stage approach and the use of stirring for 25% of the time. There is also a potential in further reducing the energy use by further improving the stirring system.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.doi10.1016/j.apenergy.2019.03.175pt_PT
dc.identifier.eid2-s2.0-85064328581
dc.identifier.issn0306-2619
dc.identifier.slugcv-prod-538314
dc.identifier.urihttp://hdl.handle.net/10400.2/9437
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.relationRAW - Recovering nutrients from wastes: eco-innovative solutions to transform waste into resources
dc.relationPhosphorus recovery from organic wastes aiming at its valorisation as a fertilizer
dc.subjectCurrentpt_PT
dc.subjectStirringpt_PT
dc.subjectElectrodialytic processpt_PT
dc.subjectMunicipal solid wastept_PT
dc.subjectPhosphorus extractionpt_PT
dc.subjectEnergy consumptionpt_PT
dc.titleImproving the energy efficiency of an electrodialytic process to extract phosphorus from municipal solid waste digestate through different strategiespt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleRAW - Recovering nutrients from wastes: eco-innovative solutions to transform waste into resources
oaire.awardTitlePhosphorus recovery from organic wastes aiming at its valorisation as a fertilizer
oaire.awardURIinfo:eu-repo/grantAgreement/FCT//SFRH%2FBPD%2F100717%2F2014/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/5876/UID%2FAMB%2F00681%2F2013/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/POR_CENTRO/SFRH%2FBD%2F115312%2F2016/PT
oaire.citation.endPage189pt_PT
oaire.citation.startPage182pt_PT
oaire.citation.titleApplied energypt_PT
oaire.citation.volume247pt_PT
oaire.fundingStream5876
oaire.fundingStreamPOR_CENTRO
person.familyNameCosta Oliveira
person.familyNameLabrincha Baptista
person.familyNameFerreira
person.givenNameVerónica
person.givenNameJoão António
person.givenNameCélia
person.identifierB-3984-2010
person.identifier.ciencia-id6318-20F3-86AF
person.identifier.ciencia-idD819-2C2C-7A16
person.identifier.ciencia-id931E-FBDE-2098
person.identifier.orcid0000-0001-6012-920X
person.identifier.orcid0000-0003-4782-1685
person.identifier.orcid0000-0002-7456-2538
person.identifier.scopus-author-id7003372169
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.cv.cienciaid931E-FBDE-2098 | Célia Maria Dias Ferreira
rcaap.rightsrestrictedAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublication424b7c16-b769-4618-8c1c-58b29b36e81a
relation.isAuthorOfPublicationeec23928-f900-47ca-8d28-fc13d814779c
relation.isAuthorOfPublicatione30010dd-0512-4da6-a0c9-910b47f18b4f
relation.isAuthorOfPublication.latestForDiscoverye30010dd-0512-4da6-a0c9-910b47f18b4f
relation.isProjectOfPublicationbfc45dda-8ea4-41eb-a77f-052f571a7454
relation.isProjectOfPublication8abe3056-d2a6-4ad0-9f06-78b3bae6429c
relation.isProjectOfPublication107fd526-919a-44a3-b09a-2b512380cd23
relation.isProjectOfPublication.latestForDiscoverybfc45dda-8ea4-41eb-a77f-052f571a7454

Files

Original bundle
Now showing 1 - 1 of 1
No Thumbnail Available
Name:
2019-Improving_energy_efficiency-Applied_energy-with_page_numbers.pdf
Size:
681.06 KB
Format:
Adobe Portable Document Format
Download
License bundle
Now showing 1 - 1 of 1
No Thumbnail Available
Name:
license.txt
Size:
1.97 KB
Format:
Item-specific license agreed upon to submission
Description:
Download

Collections

Ambiente e Sustentabilidade | Artigos em revistas internacionais / Papers in international journals