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Title: Chromium(VI) removal from aqueous solution by magnetite coated by a polymeric ionic liquid-based adsorbent
Authors: Ferreira, Thania A.
Rodríguez, José Antonio
Páez, Elena
Barrado, Enrique
Hernández, Prisciliano
Issue Date: 2017
Publisher: Materials — Open Access Materials Science Journal
Citation: Materials, 2017, 10, 502-5011
Abstract: An evaluation of the chromium(VI) adsorption capacity of four magnetite sorbents coated with a polymer phase containing polymethacrylic acid or polyallyl-3-methylimidazolium is presented. Factors that influence the chromium(VI) removal such as solution pH and contact time were investigated in batch experiments and in stirred tank reactor mode. Affinity and rate constants increased with the molar ratio of the imidazolium. The highest adsorption was obtained at pH 2.0 due to the contribution of electrostatic interactions.
Classification: chromium(VI); magnetic particles; ionic liquid; adsorption capacity
ISSN: 1996-1944
Peer Review: SI
DOI: 10.3390/ma10050502
Sponsor: Junta de Castilla y León Proyecto VA171U14
Rights Owner: MDPI
Language: eng
Rights: info:eu-repo/semantics/restrictedAccess
Appears in Collections:DEP60 - Artículos de revista

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