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article · RSC Advances

Comprehensive characterization and RSM-based optimization of crystal violet adsorption using SnCl <sub>2</sub> –FeCl <sub>3</sub> and SnCl <sub>2</sub> –ZnCl <sub>2</sub> activated pomegranate peel biosorbents

20267 citationsOpen accessUniversity of Skikda

Abstract

, respectively. The adsorption behavior was best fitted by both the Langmuir and Freundlich isotherms, and followed a pseudo-second-order kinetic model. Thermodynamic evaluation confirmed that the process is spontaneous and endothermic. Additionally, the biosorbents demonstrated strong reusability, retaining high performance through up to seven adsorption/desorption cycles.

Research topics

  • Adsorption and biosorption for pollutant removal
  • Phosphorus and nutrient management
  • Advanced oxidation water treatment

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DOI: 10.1039/d5ra09290f

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