Intraparticle diffusion processes during acid dye adsorption onto chitosan.

@article{Cheung2007IntraparticleDP,
  title={Intraparticle diffusion processes during acid dye adsorption onto chitosan.},
  author={W. H. Cheung and Yau Shan Szeto and Gordon McKay},
  journal={Bioresource technology},
  year={2007},
  volume={98 15},
  pages={2897-904}
}
The adsorption of five acid dyes onto chitosan was studied. The equilibrium capacities based on the Langmuir analysis were 1.54, 2.66, 1.11, 1.25 and 1.03 mmol/g chitosan for Orange 10 (AO10), Acid Orange 12 (AO12), Acid Red 18 (AR18), Acid Red 73 (AR73) and Acid Green 25 (AG25) respectively. The batch adsorption rate for the five systems based on an intraparticle diffusion rate parameter derived from the plots of dye adsorbed versus the square root of time indicated that the adsorption… CONTINUE READING

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