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المقالات الاكاديمية والبحثية
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In the present study, activated carbon from Iraqi zahdi date palm seeds was synthesized. Different activators were used in the synthesis
process (e.g., KOH, H
3
PO
4
and ZnCl
2
). Preparation of the activated carbon was done using a chemical activation method. The kinetics of
adsorption and the removal of reactive yellow-145 (RY-145) as a model of the polluted dyes was investigated from batch tests. Different
reaction conditions were investigated, such as the mass loading of activated carbon and contact time. The Langmuir and Freundlich
adsorption isotherms were both performed in each case. In terms of physical properties, the external of surface area, the ash content and
the humidity of the activated carbon were investigated. The point zero charges of the prepared samples were also evaluated. The FTIR
spectra of these materials showed almost the same characteristic vibration modes. The morphology of the activated carbon was screened
by scanning electron microscopy and the results showed irregular and heterogeneous morphology for these samples of the activated
carbon. The activity of these materials in terms of their ability to adsorb reactive yellow-145 dye was as follows:
AC-KOH > AC-H
3
PO
4
> AC-ZnCl
2
http://dx.doi.org/10.14233/ajchem.2014.19027
> AC untreated

  • وصف الــ Tags لهذا الموضوع
  • Activated carbons, Dye removal, Date palm seeds, Reactive yellow-145

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