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Phosphate recovery from sewage sludge supernatants using magnetic nanoparticles

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dc.contributor.authorSEMERCİ, NESLİHAN
dc.contributor.authorsGulyas, Anett; Genc, Seval; Can, Zehra Semra; Semerci, Neslihan
dc.date.accessioned2022-03-14T09:52:51Z
dc.date.available2022-03-14T09:52:51Z
dc.date.issued2021-04
dc.description.abstractPhosphorus removal and recovery from synthetic solutions and sewage sludge supernatants by using magnetic nanoparticles (MNP) were investigated through batch adsorption experiments. The adsorption kinetics and isotherms on the removal of phosphate have been studied using different MNP doses, contact time, pH, and initial P concentrations. Reusability of the MNP and the enrichment of phosphate in desorption solution from dewatering supernatants were tested in a series of adsorption-desorption cycles. The removal efficiency was between 29 and 97 % after 24 h depending on the P concentrations and adsorbent concentrations. This efficiency was detectable in pH similar to 3-5 but decreased in case of increased pH levels. Intra particle (IP) diffusion model kinetic tests demonstrated that the adsorption process was controlled by a multi-step mechanism and the reaction equilibrium was reached after 120 min. Besides phosphate, ammonium, magnesium and calcium ions were adsorbed on MNP to a lesser extent. Surface characterization and adsorption mechanism were discussed based on XRD, SEM and FTIR analyses. MNP can be very effective for both ammonia and phosphate removal and recovery from dewatering supernatant solutions.
dc.identifier.doi10.1016/j.jwpe.2020.101843
dc.identifier.issn2214-7144
dc.identifier.urihttps://hdl.handle.net/11424/243508
dc.identifier.wosWOS:000632945500002
dc.language.isoeng
dc.publisherELSEVIER
dc.relation.ispartofJOURNAL OF WATER PROCESS ENGINEERING
dc.rightsinfo:eu-repo/semantics/openAccess
dc.subjectMagnetite
dc.subjectPhosphate removal
dc.subjectPhosphate recovery
dc.subjectAdsorption
dc.subjectDesorption
dc.titlePhosphate recovery from sewage sludge supernatants using magnetic nanoparticles
dc.typearticle
dspace.entity.typePublication
local.avesis.id499ae2e5-43e2-492f-96a3-0c117c1875ea
local.import.packageSS16
local.indexed.atWOS
local.indexed.atSCOPUS
local.journal.articlenumber101843
local.journal.numberofpages9
oaire.citation.titleJOURNAL OF WATER PROCESS ENGINEERING
oaire.citation.volume40
relation.isAuthorOfPublication2b40c564-3821-44aa-b6e7-770e18c2e489
relation.isAuthorOfPublication.latestForDiscovery2b40c564-3821-44aa-b6e7-770e18c2e489

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