2015
DOI: 10.17344/acsi.2014.787
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Application of mesoporous SBA-15 silica functionalized with 4-amino-2-mercaptopyrimidine for the adsorption of Cu(II), Zn(II), Cd(II), Ni(II) and Pb(II) from water

Abstract: This work reports the sol-gel synthesis of an SBA-15 silica and its functionalization with 4-amino-2-mercaptopyrimidine to perform adsorption of metal species from aqueous media. The functionalization of the material was confirmed using FTIR and specific surface area measurements. The final material was tested through batch experiments to uncover its adsorptive properties toward the adsorption of Cu(II), Cd(II), Zn(II), Pb(II), and Ni(II). Contact time and pH conditions were investigated, and the material pres… Show more

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Cited by 10 publications
(2 citation statements)
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“…Mbarki et al [33] conducted adsorption studies of Cr3+, Co2+, Cd2+, and Pb2+ using PVC modified with amino (diethylenetriamine) and dichlorodiethyl ether groups and achieved a high removal percentage using the batch method. The confirmation of the anchoring of the molecule of interest can be done through different techniques, with infrared spectroscopy being the most commonly used [21,[33][34][35]. As the modification reactions often occur at the chlorine atom via a nucleophilic substitution mechanism, it is possible to monitor the progress of the reaction through the band located in the 700 cm-1 region of the spectrum, which may be attributed to the axial deformation of the C-Cl bond [21,33,34].…”
Section: Pvc Surface Modification and Adsorption Of Metal Ionsmentioning
confidence: 99%
“…Mbarki et al [33] conducted adsorption studies of Cr3+, Co2+, Cd2+, and Pb2+ using PVC modified with amino (diethylenetriamine) and dichlorodiethyl ether groups and achieved a high removal percentage using the batch method. The confirmation of the anchoring of the molecule of interest can be done through different techniques, with infrared spectroscopy being the most commonly used [21,[33][34][35]. As the modification reactions often occur at the chlorine atom via a nucleophilic substitution mechanism, it is possible to monitor the progress of the reaction through the band located in the 700 cm-1 region of the spectrum, which may be attributed to the axial deformation of the C-Cl bond [21,33,34].…”
Section: Pvc Surface Modification and Adsorption Of Metal Ionsmentioning
confidence: 99%
“…Once in the environment, metals may be disturbed through water, soil and the atmosphere to the most remote places in the world, posing risk to human and wild life health. 1,2 Among the heavy metals that exist in the environment, copper is very critical because copper is known as an important element in industry and biological systems. It is an essential nutrient to high plants and animals and is a co-factor in various enzymes.…”
Section: Introductionmentioning
confidence: 99%