REMOVAL AND PRECONCENTRATION OF PB (II) AND CD (II) BY ZERO-VALENT IRON NANOPARTICLES IN CONTAMINATED WATER

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SHIRALIPOUR ROOHOLLAH; PARHAM HOOSHANG; ZARGAR BEHROOZ

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Journal: Jundishapur Journal of Health Sciences Year:2015 | Volume:7 | Issue:2 Page(s): 1-8

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Title

REMOVAL AND PRECONCENTRATION OF PB (II) AND CD (II) BY ZERO-VALENT IRON NANOPARTICLES IN CONTAMINATED WATER

Author(s)

SHIRALIPOUR ROOHOLLAH | PARHAM HOOSHANG | ZARGAR BEHROOZ | Issue Writer Certificate

Keywords

LEAD

CADMIUM

SOLID PHASE EXTRACTION

Abstract

Background: LEAD (Pb) and CADMIUM (Cd) are two of the hazardous metals in the environment due to their acute and chronic effects on human health. Zero-valent iron nanoparticles (ZVINPs) are one of the adsorbents proposed as an efficient adsorbent for Pb and Cd.Objectives: This study evaluated the quantitative removal efficiency of Pb and Cd ions from contaminated water by ZVINPs. In addition, the capability of ZVINPs as a solid phase extractor for preconcentration and determination of Pb and Cd was investigated.Materials and Methods: Four samples, each from different water sources like Well water (Shushtar, Iran), Karoon River (Ahvaz, Iran), Caspian Sea (northern Iran) and Persian Gulf (southern Iran) were collected.Results: The elapsed time for quantitative removal of both Pb and Cd ions was two minutes. This method is applicable in a widespread range of pH and relatively high concentrations of electrolyte (NaCl) for the efficient removal (>99%) of Pb and Cd ions in water samples. The adsorption of Pb and Cd ions on ZVINPs was well followed by the Langmuir model. The maximum adsorption amounts of Pb and Cd ions on ZVINPs were 96.5 and 58.3 mg/g, respectively. Limits of detection (LODs) of the method for LEAD and CADMIUM ions were 0.015 and 0.002 mg/L, respectively. The relative standard deviations for ten replicate determinations (Pb2+0.3 mg/L, Cd2+0.03 mg/L) were below 5%. The enrichment factors were more than 16 and 14 for Pb2+and Cd2+, respectively.Conclusions: The proposed method is simple, fast, cost-effective, and safe for the environment.

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APA: Copy

SHIRALIPOUR, ROOHOLLAH, PARHAM, HOOSHANG, & ZARGAR, BEHROOZ. (2015). REMOVAL AND PRECONCENTRATION OF PB (II) AND CD (II) BY ZERO-VALENT IRON NANOPARTICLES IN CONTAMINATED WATER. JUNDISHAPUR JOURNAL OF HEALTH SCIENCES, 7(2), 1-8. SID. https://sid.ir/paper/665584/en

Vancouver: Copy

SHIRALIPOUR ROOHOLLAH, PARHAM HOOSHANG, ZARGAR BEHROOZ. REMOVAL AND PRECONCENTRATION OF PB (II) AND CD (II) BY ZERO-VALENT IRON NANOPARTICLES IN CONTAMINATED WATER. JUNDISHAPUR JOURNAL OF HEALTH SCIENCES[Internet]. 2015;7(2):1-8. Available from: https://sid.ir/paper/665584/en

IEEE: Copy

ROOHOLLAH SHIRALIPOUR, HOOSHANG PARHAM, and BEHROOZ ZARGAR, “REMOVAL AND PRECONCENTRATION OF PB (II) AND CD (II) BY ZERO-VALENT IRON NANOPARTICLES IN CONTAMINATED WATER,” JUNDISHAPUR JOURNAL OF HEALTH SCIENCES, vol. 7, no. 2, pp. 1–8, 2015, [Online]. Available: https://sid.ir/paper/665584/en

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