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pH and Particle Structure Effects on Silica Removal by Coagulation

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dc.contributor.authorHermosilla Redondo, María Daphne
dc.contributor.authorOrdóñez, Ruth
dc.contributor.authorBlanco, Laura
dc.contributor.authorFuente González, Elena de la
dc.contributor.authorBlanco Suárez, María Ángeles
dc.date.accessioned2023-06-20T03:43:41Z
dc.date.available2023-06-20T03:43:41Z
dc.date.issued2012
dc.descriptionThis is the pre-peer reviewed version of the following article: Hermosilla, D., Ordóñez, R., Blanco, L., de la Fuente, E. and Blanco, Á. (2012), pH and Particle Structure Effects on Silica Removal by Coagulation. Chem. Eng. Technol., 35: 1632–1640. doi: 10.1002/ceat.201100527], which has been published in final form at http://onlinelibrary.wiley.com/doi/10.1002/ceat.201100527/abstract.
dc.description.abstractCoagulation is presented as an efficient alternative to reduce the silica content in effluents from recovered-paper mills that are intended to be recycled by a final reverse-osmosis (RO) step. Coagulation pretreatment by several polyaluminum chlorides (PACls) or FeCl3 was optimized prior to the RO process. PACls with low alumina content and high basicity achieved almost a 100 % removal of silica at pH 10.5. A good reduction of the silica content was attained without regulating the pH by adding one of these PACls. Silica removal was related to the structure of the produced clots in which cylindrical particles produced higher silica removal. All coagulants removed more than 50 % of the chemical oxygen demand (COD).
dc.description.departmentDepto. de Ingeniería Química y de Materiales
dc.description.facultyFac. de Ciencias Químicas
dc.description.refereedTRUE
dc.description.sponsorshipEuropean Commission
dc.description.sponsorshipComunidad de Madrid
dc.description.sponsorshipMinisterio de Ciencia e Innovación (España)
dc.description.statuspub
dc.eprint.idhttps://eprints.ucm.es/id/eprint/26427
dc.identifier.doi10.1002/ceat.201100527
dc.identifier.issn1521-4125
dc.identifier.officialurlhttp://doi.org/10.1002/ceat.201100527
dc.identifier.urihttps://hdl.handle.net/20.500.14352/44330
dc.issue.number9
dc.journal.titleChemical Engineering & Technology
dc.language.isoeng
dc.page.final1640
dc.page.initial1632
dc.relation.hasversionAM
dc.relation.projectIDAQUAFIT4USE (211534)
dc.relation.projectIDPROLIPAPEL II-CM (S2009/AMB-1480)
dc.relation.projectIDAGUA Y ENERGÍA (CTM2008-06886-C02-01)
dc.rights.accessRightsopen access
dc.subject.cdu676
dc.subject.keywordCoagulation
dc.subject.keywordFocused beam reflectance
dc.subject.keywordPaper mill effluent
dc.subject.keywordReverse osmosis
dc.subject.keywordSilica fouling
dc.subject.ucmIndustria del papel
dc.subject.ucmIngeniería química
dc.subject.ucmMedio ambiente
dc.subject.unesco3312.13 Tecnología de la Madera
dc.subject.unesco3303 Ingeniería y Tecnología Químicas
dc.subject.unesco2391 Química Ambiental
dc.titlepH and Particle Structure Effects on Silica Removal by Coagulation
dc.typejournal article
dc.volume.number35
dcterms.referencesHermosilla, D., et al. «pH and Particle Structure Effects on Silica Removal by Coagulation». Chemical Engineering & Technology, vol. 35, n.o 9, septiembre de 2012, pp. 1632-40. DOI.org (Crossref), https://doi.org/10.1002/ceat.201100527.
dspace.entity.typePublication
relation.isAuthorOfPublication60a4ff3d-c200-4809-823e-c87c10d70711
relation.isAuthorOfPublication505f3b47-3120-4526-a703-f45b3e7cf73c
relation.isAuthorOfPublication04f905d2-6294-4530-9d01-062828ddefb2
relation.isAuthorOfPublication.latestForDiscovery60a4ff3d-c200-4809-823e-c87c10d70711

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