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Metal-oxide-modified nanostructured carbon application as novel adsorbents for chromate ion removal from water

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Published/Copyright: June 11, 2013
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International Journal of Materials Research
From the journal International Journal of Materials Research Volume 103 Issue 6

Abstract

In the present work, nickel oxide and iron oxide nanoparticles were synthesized inside the pore system of nanoporous carbon and were used as adsorbents to remove hexavalent chromium. The structural order and textural properties of the new carbonaceous adsorbents were studied by X-ray diffraction analysis and nitrogen adsorption. Experiments were conducted in batch mode with the variables such as contact time and solution pH. Adsorption equilibrium was achieved within 3–4 h for initial Cr(VI) of 10–100 mg.L−1. Maximum sorption capacity of Ni–NC and Fe–NC was observed as 0.86 mmol.g−1 and 1.17 mmol.g−1 respectively.

Keywords: Mesoporous carbon; Chromate ion; Adsorption; Langmuir isotherm; Nickel oxide nanoparticle; Iron oxide nanoparticle
* Correspondence address Seyyed Ershad Moradi Young Researchers Club, Islamic Azad University-Sari Branch Daneshgah S.T. 39715-194, Sari, Iran Tel.: 0098 21 77223068 Fax: 0098 21 77223329 E-mail:

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Received: 2010-7-8
Accepted: 2011-11-28
Published Online: 2013-06-11
Published in Print: 2012-06-01

© 2012, Carl Hanser Verlag, München

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  2. Contents
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  5. Hydrogen permeability with dislocation in low carbon, aluminium-killed, enamel-grade steels
  6. Numerical simulation of the evolution of primary and secondary Nb(CN), Ti(CN) and AlN in Nb-microalloyed steel during continuous casting
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  9. The reoptimization of the binary Se–Te system
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  11. Thermophysical properties of solid phase Ti-6Al-4V alloy over a wide temperature range
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  15. Effect of pH on structure, morphology and optical properties of nanosized cupric oxide prepared by a simple hydrolysis method
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  18. Design of damage tolerance in high-strength steels
  19. Creep modeling and creep life estimation of Gr.91
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https://doi.org/10.3139/146.110684
Keywords for this article
Mesoporous carbon; Chromate ion; Adsorption; Langmuir isotherm; Nickel oxide nanoparticle; Iron oxide nanoparticle

Articles in the same Issue

  1. Contents
  2. Contents
  3. Original Contributions
  4. Diffusion characteristics in the Cu–Ti system
  5. Hydrogen permeability with dislocation in low carbon, aluminium-killed, enamel-grade steels
  6. Numerical simulation of the evolution of primary and secondary Nb(CN), Ti(CN) and AlN in Nb-microalloyed steel during continuous casting
  7. Microstructure evolution in a 2618 aluminium alloy during creep-fatigue tests
  8. Microstructure characterization in the weld joint of a high nickel austenitic alloy and Cr18-Ni8 stainless steel
  9. The reoptimization of the binary Se–Te system
  10. Phase diagram of the Sm–Dy–Fe ternary system
  11. Thermophysical properties of solid phase Ti-6Al-4V alloy over a wide temperature range
  12. Determination of mechanical properties by nanoindentation in the case of viscous materials
  13. Mechanical properties and biodegradable behavior of Mg–6%Zn–Ca3(PO4)2 metal matrix composites in Ringer's solution
  14. Effect of Ti addition on the wettability of Al–B4C metal matrix composites
  15. Effect of pH on structure, morphology and optical properties of nanosized cupric oxide prepared by a simple hydrolysis method
  16. Metal-oxide-modified nanostructured carbon application as novel adsorbents for chromate ion removal from water
  17. Biological evaluation of micro-nanoporous layer on Ti–Ag alloy for dental implant
  18. Design of damage tolerance in high-strength steels
  19. Creep modeling and creep life estimation of Gr.91
  20. Influence of the layer architecture of DLC coatings on their wear and corrosion resistance
  21. Potential of mechanical surface treatment for mould and die production
  22. Short Communications
  23. Discussion of defect analysis of a Ti-6Al-4V alloy forging ring
  24. DGM News
  25. DGM News
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