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Optimizing the removal of nitrate by adsorption onto activated carbon using response surface methodology based on the central composite design

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dc.contributor.authorTaoufik, Nawal
dc.contributor.authorElmchaouri, Abdellah
dc.contributor.authorKorili, Sophia A.
dc.contributor.authorGil Bravo, Antonio
dc.contributor.departmentZientziakeu
dc.contributor.departmentInstitute for Advanced Materials and Mathematics - INAMAT2en
dc.contributor.departmentCienciases_ES
dc.date.accessioned2020-05-29T07:13:43Z
dc.date.available2021-02-10T00:00:11Z
dc.date.issued2020
dc.description.abstractThis study sheds light on the adsorption process for the removal of nitrate ions from synthetic aqueous solutions. This contaminant pose a potential risk to the environment and can cause health effects including cancers and methemoglobinemia in infants. When the adsorption process is carried out, the effect by the several operating parameters such as initial nitrate concentration, pH, mass of activated carbon, and contact time becomes apparent. The essential process variables are optimized using response surface methodology (RSM) based on the central composite design (CCD) experiments. For this purpose 31 experimental results are required to determine the optimum conditions. The optimum conditions for the removal of nitrates is found to be: initial nitrate concentration = 15 mg/L; initial pH 4.0; mass of activated carbon = 25 mg, and contact time = 70 min. At these optimized conditions, the maximum removal of nitrates is found to be 96.59%.en
dc.description.sponsorshipThe authors are grateful to the MOROCCAN MESRSFC. Financial Support from University Hassan II of Casablanca is also acknowledged. AG thanks Santander Bank for funding through the Research Intensification Program.en
dc.embargo.lift2021-02-10
dc.embargo.terms2021-02-10
dc.format.extent37 p.
dc.format.mimetypeapplication/pdfen
dc.identifier.doi10.1080/23249676.2020.1723446
dc.identifier.issn2324-9676
dc.identifier.urihttps://academica-e.unavarra.es/handle/2454/36999
dc.language.isoengen
dc.publisherTaylor & Francisen
dc.relation.ispartofJournal of Applied Water Engineering and Research, 2020, 8 (1), 66-77en
dc.relation.publisherversionhttps://doi.org/10.1080/23249676.2020.1723446
dc.rights© 2020 IAHR and WCCEen
dc.rights.accessRightsinfo:eu-repo/semantics/openAccess
dc.subjectNitrate removalen
dc.subjectAdsorptionen
dc.subjectActivated carbonen
dc.subjectResponse surface methodologyen
dc.subjectCentral composite designen
dc.titleOptimizing the removal of nitrate by adsorption onto activated carbon using response surface methodology based on the central composite designen
dc.typeinfo:eu-repo/semantics/article
dc.type.versioninfo:eu-repo/semantics/acceptedVersionen
dc.type.versionVersión aceptada / Onetsi den bertsioaes
dspace.entity.typePublication
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relation.isAuthorOfPublicationcd12e590-cb42-47d5-a642-f60eeee624ec
relation.isAuthorOfPublication.latestForDiscoveryc3e28e52-d0f3-4b9d-82a4-6b347c553c64

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