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Investigation of the zero-charge point of orange biomass for further use as a metal biosorbent

Stadnik J;
Giusti ED;
Borges AR

Jucieli Stadnik

Edneia Durli Giusti

Aline Rocha Borges


Keywords

Biosorption
zero charge point
pH

Abstract

Biosorption is characterized by the removal, retention, or recovery of metals present in toxic residues, through the adsorbent and adsorbate. For this, one of the characteristics to be evaluated in the determination of a good biosorbent is the zero-charge point. This value is defined by the pH value at which the biomass surface has a neutral charge, that is, the adsorption of H+ and OH- ions is equal. For the orange species studied, the values of the zero-charge point form between pH 4.5 and pH 5.8.

DOI:https://doi.org/10.56238/alookdevelopv1-103

 


Creative Commons License

This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

Copyright (c) 2023 Jucieli Stadnik, Edneia Durli Giusti, Aline Rocha Borges

Author(s)

  • Jucieli Stadnik
  • Edneia Durli Giusti
  • Aline Rocha Borges