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Table 3 The intraparticle diffusion kinetic data for adsorption of Pb2+ ions on iron modified pomegranate peel carbons

From: Modification of pomegranate waste with iron ions a green composite for removal of Pb from aqueous solution: equilibrium, thermodynamic and kinetic studies

Adsorbent Parameters
Kid Cid R2
  Up to 30 min
Fe2+ PPC 0.228 1.584 0.998
  Total of time
Fe3+ PPC 0.299 0.552 0.986