Producción Científica Profesorado

Chromium(VI) Removal from Aqueous Solution by Magnetite Coated by a Polymeric Ionic Liquid-Based Adsorbent



Guevara Lara, Alfredo

2017

T.A. Ferreira, J.A. Rodriguez, M.E. Paez-Hernandez, A. Guevara-Lara, E. Barrado, P. Hernandez. Chromium(VI) removal from aqueous solution by magnetite coated by a polymeric ionic liquid-based adsorbent. Materials 10 (2017) 502; doi:10.3390/ma10050502, http://www.mdpi.com/1996-1944/10/5/502


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.



Producto de Investigación




Artículos relacionados

Influence of the Cation Nature of the Sulphate Salt on the Electrochemical Synthesis of Sulfate-Dope...

Nucleation and growth of cobalt onto different substrates: Part I. Underpotential deposition onto a ...

Synthesis and crystal structures of cis-palladium(II) and cis-platinum(II) complexes containing di...

A theoretical quantum study on the distribution of electrophilic and nucleophilic active sites on Ag...

Mercury Ions Removal from Aqueous Solution Using an Activated Composite Membrane

Electrochemical kinetic study about cobalt electrodeposition onto GCE and HOPG substrates from sulfa...

Magnetic transition phase diagram of cobalt clusters electrodeposited on HOPG: Experimental and micr...

Influence of the Crystallinity of the Substrate on Kinetic Parameters of Zinc Electrodeposition Proc...

Synthesis, Characterization and Catalytic Activity of Supported NiMo Catalysts

Analysis of the experimental pressuretemperature behavior in the isotropicnematic phase transition f...