EFFICIENCY OF MAGNITIZED GRAPHENE OXIDE NANOPARTICLES IN REMOVAL OF 2,4-DICHLOROPHENOL FROM AQUEOUS SOLUTION

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AZARI ALI; SALARI MEHDI; DEHGHANI MOHAMMAD HADI; ALIMOHAMMADI MAHMOUD; GHAFFARI HAMIDREZA; SHARAFI KIOMARS; SHARIATIFAR NABI; BAZIAR MANSUR

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Journal: JOURNAL OF MAZANDARAN UNIVERSITY OF MEDICAL SCIENCES Year:2017 | Volume:26 | Issue:144 Page(s): 265-281

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Title

EFFICIENCY OF MAGNITIZED GRAPHENE OXIDE NANOPARTICLES IN REMOVAL OF 2,4-DICHLOROPHENOL FROM AQUEOUS SOLUTION

Author(s)

Keywords

2Q1

4 DICHLOROPHENOLQ1

MAGNETIC GRAPHENE OXIDEQ3

WASTEWATERQ2

ADSORPTIONQ2

Abstract

Background and purpose: 2,4 dichlorophenol is one of the most important components of organochlorine. High resistance against degradation, creating odor and taste in water, high toxicity and being carcinogen have made this pollutant a great concern. Current study batch was done to investigate the ADSORPTION of 2,4 dichlorophenol onto MAGNETIC GRAPHENE OXIDE Particles (MGO NPs).Materials and methods: The ADSORPTION behavior of 2,4-dichlorophenol was studied in a series of batch experiments as a function of pH (3-11), contact time (0-120 min), and pollutant concentration (10-125 mg/L) at three different adsorbent dosages (0.1-1 g/L). Finally, pseudo-first-order, pseudosecond- order kinetic, Langmuir and Freundlich isotherm models and ADSORPTION thermodynamic were studied in optimized conditions.Results: The results revealed in optimized conditions (pH=5, contact time=15 min, pollutant concentration=10mg/l and adsorbent dose=0.75 g/l) maximum ADSORPTION capacity and removal efficiency of 2,4-dichlorophenol were 84.74 mg/g and 100%, respectively. Langmuir isotherm (R2=0.9987) and pseudo-second-order (R2=0.9992) models were proved to be the best in describing the ADSORPTION data. The thermodynamic parameters showed that the ADSORPTION process was endothermic (DG=57.7 to 119.15) and spontaneous (DG=-1.15 to -9.44).Conclusion: MGO NPs have extended capabilities such as easy and rapid separation from sample and high potential in removing 2,4 dichlorophenol, so, it can be introduced as an appropriate adsorbent for removal of this pollutant from water and WASTEWATER.

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APA: Copy

AZARI, ALI, SALARI, MEHDI, DEHGHANI, MOHAMMAD HADI, ALIMOHAMMADI, MAHMOUD, GHAFFARI, HAMIDREZA, SHARAFI, KIOMARS, SHARIATIFAR, NABI, & BAZIAR, MANSUR. (2017). EFFICIENCY OF MAGNITIZED GRAPHENE OXIDE NANOPARTICLES IN REMOVAL OF 2,4-DICHLOROPHENOL FROM AQUEOUS SOLUTION. JOURNAL OF MAZANDARAN UNIVERSITY OF MEDICAL SCIENCES, 26(144), 265-281. SID. https://sid.ir/paper/45415/en

Vancouver: Copy

AZARI ALI, SALARI MEHDI, DEHGHANI MOHAMMAD HADI, ALIMOHAMMADI MAHMOUD, GHAFFARI HAMIDREZA, SHARAFI KIOMARS, SHARIATIFAR NABI, BAZIAR MANSUR. EFFICIENCY OF MAGNITIZED GRAPHENE OXIDE NANOPARTICLES IN REMOVAL OF 2,4-DICHLOROPHENOL FROM AQUEOUS SOLUTION. JOURNAL OF MAZANDARAN UNIVERSITY OF MEDICAL SCIENCES[Internet]. 2017;26(144):265-281. Available from: https://sid.ir/paper/45415/en

IEEE: Copy

ALI AZARI, MEHDI SALARI, MOHAMMAD HADI DEHGHANI, MAHMOUD ALIMOHAMMADI, HAMIDREZA GHAFFARI, KIOMARS SHARAFI, NABI SHARIATIFAR, and MANSUR BAZIAR, “EFFICIENCY OF MAGNITIZED GRAPHENE OXIDE NANOPARTICLES IN REMOVAL OF 2,4-DICHLOROPHENOL FROM AQUEOUS SOLUTION,” JOURNAL OF MAZANDARAN UNIVERSITY OF MEDICAL SCIENCES, vol. 26, no. 144, pp. 265–281, 2017, [Online]. Available: https://sid.ir/paper/45415/en

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