Adsorption of Salicylic and Sulfosalicylic Acid onto Powdered Activated Carbon prepared from Rice and Coffee Husks

@inproceedings{Tchuifon2015AdsorptionOS,
  title={Adsorption of Salicylic and Sulfosalicylic Acid onto Powdered Activated Carbon prepared from Rice and Coffee Husks},
  author={Tchuifon Tchuifon and Donald Raoul and Anagho Solomon Gabche and Nche George Ndifor-A},
  year={2015}
}
Activated carbons prepared by chemical activation of rice and coffee husks with phosphoric acid were used to study the adsorption of salicylic and sulfosalicylic acids. The characterization of the prepared activated carbons showed that the pH at zero charge was between 2.3 and 3.45; the bulk density was around 0.800 g/cm 3 and the iodine number was between 476 and 590 mg/g. The adsorption process took place in two stages, and the adsorbents had a good affinity for the two acids. The adsorption… CONTINUE READING

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