title: Preparation of Fe oxide nanoparticles for environmental applications: arsenic removal.
abstract: The objective of this study is to examine the adsorption-desorption behavior of a magnetically active hybrid sorbent (MAHS) material, prepared by dispersing colloid-like hydrated iron oxide particles in the outer periphery of a macroporous ion-exchange resin (Amberlite XAD-2). The experimental results show that the new sorbent material can simultaneously remove arsenic (V) and a chlorinated organic compound (2,6-dichlorophenol [2,6-DCP]) from aqueous solutions at around neutral pH. The recovery of arsenic and 2,6-DCP from MAHS was conducted using a regenerant containing 50% (v/v) CH3OH + 3% (w/v) NaOH. In less than 10 bed volumes of regenerant, more than 90% of As(V) and 2,6-DCP were recovered.
authors.affiliation: Chemical Engineering Department, Davutpaşa Campus, Yildiz Technical University, Esenler-Istanbul 34210, Turkey. ubeker@gmail.com
authors.forename: Ulker
authors.initials: U
authors.lastname: Beker
authors.forename: Luis
authors.initials: L
authors.lastname: Cumbal
authors.forename: Dilek
authors.initials: D
authors.lastname: Duranoglu
authors.forename: Ilknur
authors.initials: I
authors.lastname: Kucuk
authors.forename: Arup K
authors.initials: AK
authors.lastname: Sengupta
mesh_terms: D000327:Adsorption; D001151:Arsenic / Q000032:analysis / Q000737:chemistry*; D002733:Chlorophenols / Q000032:analysis / Q000737:chemistry; D005290:Ferric Compounds / Q000737:chemistry*; D053768:Metal Nanoparticles / Q000737:chemistry*; D014867:Water / Q000737:chemistry*; D018508:Water Purification / Q000379:methods*
chemical_list: D002733:Chlorophenols; D005290:Ferric Compounds; D014867:Water; C000499:ferric oxide; D001151:Arsenic; C032729:2,6-dichlorophenol
references.citation: J Hazard Mater. 2000 Dec 30;80(1-3):59-68
references.pmid: 11080569
references.citation: Water Res. 2003 Jan;37(1):164-76
references.pmid: 12465798
references.citation: Water Res. 2003 Mar;37(6):1417-25
references.pmid: 12598205
references.citation: Environ Sci Technol. 2005 Sep 1;39(17):6508-15
references.pmid: 16190206
references.citation: J Hazard Mater. 2008 Feb 11;150(3):565-72
references.pmid: 17570581
references.citation: Chemosphere. 2007 Jan;66(5):970-6
references.pmid: 16884764
references.citation: Environ Sci Technol. 2006 Apr 15;40(8):2746-52
references.pmid: 16683618