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Optimization, modeling and mechanism of simultaneous adsorption of aniline and lead onto magnetic a activated carbon

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Year: 2019
COI code: NCSDUS09_029
Paper Language: English

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Authors Optimization, modeling and mechanism of simultaneous adsorption of aniline and lead onto magnetic a activated carbon

  Farzad fanaei - Master student of Environmental Health Engineering, Iran University of Medical Science, Tehran, Iran
Babak Kakavandi, - Department of Environmental Health Engineering, Alborz University of Medical Sciences, Karaj, Iran
  Kazhal Masroor, - Master student of Environmental Health Engineering, Tehran University of Medical Sciences, Tehran , Iran
Narges Salehi Taleghani - Student Research Committee, Alborz University of Medical Sciences, Karaj, Iran

Abstract:

A magnetic Fe3O4/powder activated carbon (Fe3O4/PAC) composite was easily fabricated as a hybrid adsorbent for the simultaneous removal of Pb(II) and aniline (An) from synthetic wastewater. SEM, EDX, VSM, BET, TEM and XRD analyses were employed for the composite characterization. The adsorption experiments in a batch mode were conducted through evaluation of the factors affecting the adsorption process (i.e. pH, contact time, different adsorbent and adsorbate concentrations, and temperature). RESULTS: The Adsorption of both contaminants followed the pseudo-second-order kinetics. According to the Langmuir isotherm the maximum Pb(II) and An sorption capacities at pH 6.0 were found to be 94.3 and 206.6 mg/g, respectively. A comparative study on the performance of the adsorption process in both single and simultaneous systems revealed that the presence of Pb(II) and An together had synergic effects on the adsorption efficiency. Moreover, the adsorbent performance in the presence of two pollutants compared with each of them alone has not diminished. CONCLUSION: Fe3O4/PAC shows a simple and easy regeneration and good potential reusability, and its adsorption efficiency was preserved effectively even after four successive cycles of use. Finally,Fe3O4/PAC could be considered as an excellent conducting material for the treatment of metal ions and organic pollutants.

Keywords:

Adsorption, Aniline, Lead, Magnetic separation, Activated carbon, Simultaneous removal

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COI code: NCSDUS09_029

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fanaei, Farzad; Babak Kakavandi,; Kazhal Masroor, & Narges Salehi Taleghani, 2019, Optimization, modeling and mechanism of simultaneous adsorption of aniline and lead onto magnetic a activated carbon, 9th International Conference on Sustainable Development and Urban Development, اصفهان, موسسه آموزش عالي دانش پژوهان پيشرو, https://www.civilica.com/Paper-NCSDUS09-NCSDUS09_029.htmlInside the text, wherever referred to or an achievement of this article is mentioned, after mentioning the article, inside the parental, the following specifications are written.
First Time: (fanaei, Farzad; Babak Kakavandi,; Kazhal Masroor, & Narges Salehi Taleghani, 2019)
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Type: Medical University
Paper No.: 3020
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