Characterisation of activated carbons obtained from rice husk

A. Merkel, A. Satayeva, F. Cannon, C. Howell, St Meikle, K. László, V. Inglezakis, J. Jandosov, S. Ray, Z. Mansurov, S. Mikhalovsky

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Abstract

Rice husk derived activated carbons doped with nitrogen have been studied using low temperature nitrogen adsorption, scanning electron microscopy, mercury porosimetry, thermogravimetric analysis combined with mass-spectrometry, differential scanning calorimetry and X-ray photoelectron spectroscopy. It has been shown that N-doped activated carbon produced by high temperature treatment of the starting material soaked with urea, has a significantly higher anion exchange capacity than the other samples studied, which correlates with its higher adsorption capacity towards nitrate ion removal from aqueous solutions with the initial concentration of 5 and 15 ppm.

Original languageEnglish
Pages (from-to)299-304
Number of pages6
JournalEurasian Chemico-Technological Journal
Volume18
Issue number4
DOIs
Publication statusPublished - 27 Oct 2016

Keywords

  • activated carbons
  • rice husk

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