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2011 | 13 | 4 | 1-7

Article title

Kinetic, Equilibrium and Thermodynamic studies on the removal of Cr(VI) by activated carbon prepared from Cajanus Cajan(L) Milsp seed shell

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EN

Abstracts

EN
This paper presents the feasibility of the removal of hexavalent chromium ions from aqueous solutions by using activated carbon prepared from Cajanus Cajan(L) Milsp. It was carbonized and activated by treating it with concentrated sulfuric acid followed by heating for 5 h at 500°C. Batch adsorption experiments were carried out as a function of pH, contact time, initial concentration of the adsorbate, adsorbent dosage and temperature. The experimental data fitted well to the Freundlich isotherm. The thermodynamic parameters such as ΔH°, ΔS°, and ΔG° were calculated, which indicated that the adsorption was spontaneous and endothermic in nature. The adsorbent used in this study was characterized by FT-IR and SEM before and after the adsorption of metal ions. The results indicate that Cajanus Cajan(L) Milsp can be employed as a low cost alternative and commercial adsorbents in the removal of chromium (VI) from water and waste water.

Publisher

Year

Volume

13

Issue

4

Pages

1-7

Physical description

Dates

published
1 - 1 - 2011
online
2 - 1 - 2012

Contributors

  • Department of Chemistry, AMS Engineering College, Namakkal, 637 013, India
author
  • Department of Chemistry, Anna university of Technology, Tiruchirappalli (Pattukottai Campus) -614 701, India
  • Department of Chemistry, Anna university of Technology, Tiruchirappalli (Pattukottai Campus) -614 701, India
author
  • Department of Physics, Anna university of Technology, Tiruchirappalli- 620 024, India
  • Department of Chemistry, Sona College of Technology, Salem, 636 005, India

References

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Document Type

Publication order reference

Identifiers

YADDA identifier

bwmeta1.element.-psjd-doi-10_2478_v10026-011-0041-6
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