title: Removal of Rhodamine B from aqueous solution using magnetic NiFe nanoparticles.
abstract: Surface-modified magnetic nano alloy particles Ni2.33Fe were prepared using a hydrothermal method and they were utilized for removing Rhodamine B (RhB) from aqueous solution. The magnetic nanoparticles were characterized by X-ray diffraction, scanning electron microscopy, thermogravimetric analysis and Fourier transform infrared spectroscopy, which confirmed that the surface of the magnetic product with a face-centered cubic-type structure was successfully modified by sodium citrate. Kinetics studies were conducted. The pseudo-second-order kinetic model was used for fitting the kinetic data successfully. The Freundlich and Langmuir adsorption models were employed for the mathematical description of adsorption equilibrium. It was found that the adsorption isotherm can be very satisfactorily fitted by the Freundlich model.
authors.affiliation: College of Materials and Metallurgy, Northeastern University, Shenyang 110004, China E-mail: liuy@smm.neu.edu.cn.
authors.forename: Yan
authors.initials: Y
authors.lastname: Liu
authors.affiliation: College of Materials and Metallurgy, Northeastern University, Shenyang 110004, China E-mail: liuy@smm.neu.edu.cn.
authors.forename: Kaige
authors.initials: K
authors.lastname: Liu
authors.affiliation: College of Materials and Metallurgy, Northeastern University, Shenyang 110004, China E-mail: liuy@smm.neu.edu.cn.
authors.forename: Lin
authors.initials: L
authors.lastname: Zhang
authors.affiliation: College of Materials and Metallurgy, Northeastern University, Shenyang 110004, China E-mail: liuy@smm.neu.edu.cn.
authors.forename: Zhaowen
authors.initials: Z
authors.lastname: Zhang
mesh_terms: D000327:Adsorption; D007501:Iron / Q000737:chemistry*; D007700:Kinetics; D059346:Magnets; D008855:Microscopy, Electron, Scanning; D053758:Nanoparticles / Q000737:chemistry*; D009532:Nickel / Q000737:chemistry*; D012235:Rhodamines / Q000302:isolation & purification*; D012996:Solutions; D017550:Spectroscopy, Fourier Transform Infrared; D013499:Surface Properties; D014874:Water Pollutants, Chemical / Q000302:isolation & purification*; D014961:X-Ray Diffraction
chemical_list: D012235:Rhodamines; D012996:Solutions; D014874:Water Pollutants, Chemical; D009532:Nickel; D007501:Iron; C029773:rhodamine B