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Reference type: Journal
Authors: Adibmehr Z, Faghihian H
Article Title: Novel ion-imprinted adsorbent for lead removal from aqueous solutions, selectivity and adsorption capacity improvement, and evaluation of adsorption isotherms and kinetic.
Publication date: 2018
Journal: Separation Science and Technology
Volume: 53
Issue: (15)
Page numbers: 2388-2400.
DOI: 10.1080/01496395.2018.1459703

Abstract: Novel ion-imprinted adsorbent on the basis of Fe3O4@SBA-15 was prepared and functionalized by diphenylcarbazide. Lead adsorption capacity of 124 mg g-1 and good selectivity in the presence of Na+, K+, Ca2+, Mg2+, Ni2+, Zn2+, Co2+, Fe2+, Mn2+, Cd2+, Cu2+ and Hg2+ were obtained. Adsorption was fast and equilibration established within 5 min. Magnetization measurement indicated that the adsorbent was readily separated by use of an external magnetic field. Upon regeneration, the used adsorbent retained most of its initial capacity. Various isotherm models were studied, and Sum of Squares of Errors (SSE) and Average Relative Error were calculated. The data were best fitted to the Redlich-Peterson isotherm
Template and target information: lead ion, Pb(II)
Author keywords: Ion imprinted, Magnetic adsorbent, Functionalization, nanoparticles, lead


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