Textile Coloration and Finishing (한국염색가공학회지)

The Korean Society of Dyers and Finishers (한국염색가공학회)
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Equilibrium investigation for dyes removal using a mixed adsorbent

  • Ravikumar, K. (BK21 FTIT, Dept. of Organic Materials and Textile Engineering, Chungnam National University) ;
  • Son, Young-A (BK21 FTIT, Dept. of Organic Materials and Textile Engineering, Chungnam National University)
  • Published : 2006.10.27
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Abstract

A mixed adsorbent prepared by pyrolysing a mixture of carbon and flyash in 1:1 ratio was tested for its deceleration ability for three different classes of dyes, namely Astrazone Blue FRR(C.I. Basic Blue 69), Teflon Blue ANL(C.I. Acid Slue 125) and Verofix Red(Reactive Red 3GL). Equilibrium investigations were carried out at the optimum conditions obtained in the previous studies. The equilibrium data fitted reasonably well to both the Freundlich and Langmuir adsorption models. However the Langmuir model was more appropriate to describe the adsorption behavior of the dyes to the hybrid absorbent system compared with the Freundlich model. The mixed adsorbent cm be an low-cost alternative to activated carbons.

Keywords

References

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