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Magnetic ethylene diamine-functionalized graphene oxide as novel sorbent for removal of lead and cadmium ions from wastewater samples.
Environ Sci Pollut Res Int. 2018 Feb; 25(6):5655-5667.ES

Abstract

In this paper, magnetic ethylene diamine-functionalized graphene oxide (MDFGO) as a novel sorbent was synthesized and applied for removal of Pb(II) and Cd(II) from real wastewater samples. The morphology and molecular structure of MDFGO were studied by different analytical methods. The effective parameters in adsorption efficiency of Pb(II) and Cd(II) were studied and optimized using experimental design. Under the optimal condition, the effective parameters including pH, sorbent dosage, shaking rate, and adsorption time were 6.2, 33.0 mg, 500 rpm, and 11 min, respectively. Mechanism of adsorption kinetic was investigated using the Lagergren pseudo-first-order, pseudo-second-order, and intraparticle diffusion models. It was found that adsorption of lead and cadmium ions in the MDFGO sorbent followed from pseudo-first-order and pseudo-second-order models, respectively. Thermodynamic parameters (ΔG°, ΔH°, and ΔS°) for the lead and cadmium ions uptake onto the MDFGO sorbent were calculated and indicated that the adsorption processes were spontaneous and endothermic in nature for both cations. In order to investigate the isotherm model for adsorption of Pb(II) and Cd(II), the experimental data were studied using the Langmuir, Freundlich, and Harkins-Jura isotherm models. The results fitted well with Freundlich model for both metal ions. The new sorbent (MDFGO) was applied to remove Pb(II) and Cd(II) from battery wastewater and electroplating wastewater. The removal percentage of Pb(II) and Cd(II) were 99.6±0.5 and 99.4±0.6, respectively, and demonstrated that the new sorbent was very suitable for removal of lead and cadmium ion from the real wastewater samples.

Authors+Show Affiliations

Department of Chemistry, Faculty of Sciences, Ferdowsi University of Mashhad, Mashhad, Iran. ghorbani267@yahoo.com.Department of Chemistry, Faculty of Sciences, Ferdowsi University of Mashhad, Mashhad, Iran. Department of Chemistry, Mashhad Branch, Islamic Azad University, Mashhad, Iran.Department of Mathematics and Computer Sciences, Hakim Sabzevari University, Sabzevar, Iran.Department of Chemistry, Mashhad Branch, Islamic Azad University, Mashhad, Iran.

Pub Type(s)

Journal Article

Language

eng

PubMed ID

29222663

Citation

Ghorbani, Mahdi, et al. "Magnetic Ethylene Diamine-functionalized Graphene Oxide as Novel Sorbent for Removal of Lead and Cadmium Ions From Wastewater Samples." Environmental Science and Pollution Research International, vol. 25, no. 6, 2018, pp. 5655-5667.
Ghorbani M, Shams A, Seyedin O, et al. Magnetic ethylene diamine-functionalized graphene oxide as novel sorbent for removal of lead and cadmium ions from wastewater samples. Environ Sci Pollut Res Int. 2018;25(6):5655-5667.
Ghorbani, M., Shams, A., Seyedin, O., & Afshar Lahoori, N. (2018). Magnetic ethylene diamine-functionalized graphene oxide as novel sorbent for removal of lead and cadmium ions from wastewater samples. Environmental Science and Pollution Research International, 25(6), 5655-5667. https://doi.org/10.1007/s11356-017-0929-7
Ghorbani M, et al. Magnetic Ethylene Diamine-functionalized Graphene Oxide as Novel Sorbent for Removal of Lead and Cadmium Ions From Wastewater Samples. Environ Sci Pollut Res Int. 2018;25(6):5655-5667. PubMed PMID: 29222663.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Magnetic ethylene diamine-functionalized graphene oxide as novel sorbent for removal of lead and cadmium ions from wastewater samples. AU - Ghorbani,Mahdi, AU - Shams,Alireza, AU - Seyedin,Orkideh, AU - Afshar Lahoori,Nahid, Y1 - 2017/12/08/ PY - 2017/06/19/received PY - 2017/12/03/accepted PY - 2017/12/10/pubmed PY - 2018/11/23/medline PY - 2017/12/10/entrez KW - Adsorption KW - Batteries wastewater samples KW - Electroplating wastewater samples KW - Magnetic ethylene diamine-functionalized graphene oxide KW - Removal of lead and cadmium ions SP - 5655 EP - 5667 JF - Environmental science and pollution research international JO - Environ Sci Pollut Res Int VL - 25 IS - 6 N2 - In this paper, magnetic ethylene diamine-functionalized graphene oxide (MDFGO) as a novel sorbent was synthesized and applied for removal of Pb(II) and Cd(II) from real wastewater samples. The morphology and molecular structure of MDFGO were studied by different analytical methods. The effective parameters in adsorption efficiency of Pb(II) and Cd(II) were studied and optimized using experimental design. Under the optimal condition, the effective parameters including pH, sorbent dosage, shaking rate, and adsorption time were 6.2, 33.0 mg, 500 rpm, and 11 min, respectively. Mechanism of adsorption kinetic was investigated using the Lagergren pseudo-first-order, pseudo-second-order, and intraparticle diffusion models. It was found that adsorption of lead and cadmium ions in the MDFGO sorbent followed from pseudo-first-order and pseudo-second-order models, respectively. Thermodynamic parameters (ΔG°, ΔH°, and ΔS°) for the lead and cadmium ions uptake onto the MDFGO sorbent were calculated and indicated that the adsorption processes were spontaneous and endothermic in nature for both cations. In order to investigate the isotherm model for adsorption of Pb(II) and Cd(II), the experimental data were studied using the Langmuir, Freundlich, and Harkins-Jura isotherm models. The results fitted well with Freundlich model for both metal ions. The new sorbent (MDFGO) was applied to remove Pb(II) and Cd(II) from battery wastewater and electroplating wastewater. The removal percentage of Pb(II) and Cd(II) were 99.6±0.5 and 99.4±0.6, respectively, and demonstrated that the new sorbent was very suitable for removal of lead and cadmium ion from the real wastewater samples. SN - 1614-7499 UR - https://www.unboundmedicine.com/medline/citation/29222663/Magnetic_ethylene_diamine_functionalized_graphene_oxide_as_novel_sorbent_for_removal_of_lead_and_cadmium_ions_from_wastewater_samples_ DB - PRIME DP - Unbound Medicine ER -