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Reference type: Journal
Authors: Zhu F, Lu YH, Li LW
Article Title: Synthesis, adsorption kinetics and thermodynamics of ureido-functionalized Pb(II) surface imprinted polymers for selective removal of Pb(II) in wastewater.
Publication date: 2016
Journal: RSC Advances
Volume: 6
Issue: (112)
Page numbers: 111120-111128.
DOI: 10.1039/C6RA18736F

Abstract: A novel ureido-functionalized Pb(II)-imprinted polymer (Pb(II)-IIP) was synthesized using Pb(II) ion, γ-ureidopropyltrimethoxysilane, AIBN and EGDMA as template ion, functional monomer, initiator and cross-linking agent, respectively. Pb(II)-IIP was characterized by FTIR and SEM. The effect of initial concentration of Pb(II) ions, adsorption time, temperature and pH values on the adsorption capacity of Pb(II)-IIP were studied. The equilibrium adsorption capacity of Pb(II)-IIP could reach 97.5 mg g-1. Langmuir models were adopted and R2 was 0.9908. The adsorption process is endothermic and could occur spontaneously. The relative selectivity coefficients of Pb(II)-IIP were 3.55, 7.02, 3.77 for Pb2+/Cd2+, Pb2+/Cu2+, Pb2+/Zn2+ respectively
Template and target information: lead ion, Pb(II)


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