EVALUATION OF GRAPHEN OXIDE NANOPARTICLES EFFICACY IN CHROMIUM AND LEAD REMOVAL FROM AQUEOUS SOLUTIONS

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NAGHIZADEH ALI; MOMENI FATEMEH

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Journal: Journal of Birjand University of Medical Sciences Year:2015 | Volume:22 | Issue:1 Page(s): 27-38

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Information Journal Paper

Title

EVALUATION OF GRAPHEN OXIDE NANOPARTICLES EFFICACY IN CHROMIUM AND LEAD REMOVAL FROM AQUEOUS SOLUTIONS

Author(s)

NAGHIZADEH ALI | MOMENI FATEMEH | Issue Writer Certificate

Keywords

GRAGHENE OXIDEQ2

CHROMIUMQ2

LEADQ2

ADSORPTIONQ2

ISOTHERMQ2

THERMODYNAMICSQ2

Abstract

Background and Aim: Currently, several methods are used to remove heavy metals from aqueous solutions, one of which is the ADSORPTION process. Graphene oxide nanoparticles, due to their high ADSORPTION capacity, have caused major concerns. The current study aimed at assessing the role of these particles in removing CHROMIUM and LEAD from aqueous solutions.Materials and Methods: This empirical study investigated the effect of the initial concentration of pollutants, their PH, adsorbent dose, time and temperature on graphen oxide nanoparticles capacity in removing CHROMIUM and LEAD from aqueous solutions.Results: Maximum ADSORPTION efficiency occurred at PH=9 with initial concentration of 4 mg/L and at PH=3 with initial concentration of 3 mg/L for LEAD and CHROMIUM, respectively. Maximum efficiency of LEAD and CHROMIUM ADSORPTION by graphen oxide occurred at 0.01 g dosage of the adsorbent and after 15 minutes of contact time, i.e. 90% and 42.33%, respectively. Results showed that ADSORPTION of the two metals was better in accord with Freundlich ISOTHERM. Thermodynamic reaction results revealed that Cr ADSORPTION reaction was exothermic and that of Pb was endothermic.Conclusion: The adsorbent Graphen Oxide has got a favorable role in removal of the two contaminants, LEAD and CHROMIUM from aqueous solutions and waste waters.

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APA: Copy

NAGHIZADEH, ALI, & MOMENI, FATEMEH. (2015). EVALUATION OF GRAPHEN OXIDE NANOPARTICLES EFFICACY IN CHROMIUM AND LEAD REMOVAL FROM AQUEOUS SOLUTIONS. JOURNAL OF BIRJAND UNIVERSITY OF MEDICAL SCIENCES, 22(1), 27-38. SID. https://sid.ir/paper/95722/en

Vancouver: Copy

NAGHIZADEH ALI, MOMENI FATEMEH. EVALUATION OF GRAPHEN OXIDE NANOPARTICLES EFFICACY IN CHROMIUM AND LEAD REMOVAL FROM AQUEOUS SOLUTIONS. JOURNAL OF BIRJAND UNIVERSITY OF MEDICAL SCIENCES[Internet]. 2015;22(1):27-38. Available from: https://sid.ir/paper/95722/en

IEEE: Copy

ALI NAGHIZADEH, and FATEMEH MOMENI, “EVALUATION OF GRAPHEN OXIDE NANOPARTICLES EFFICACY IN CHROMIUM AND LEAD REMOVAL FROM AQUEOUS SOLUTIONS,” JOURNAL OF BIRJAND UNIVERSITY OF MEDICAL SCIENCES, vol. 22, no. 1, pp. 27–38, 2015, [Online]. Available: https://sid.ir/paper/95722/en

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