Adsorption of Heavy Metal Ions on Pomegranate (Punica Granatum) Peel: Removal and Recovery of Cr(VI) Ions from a Multi-metal Ion System:
作者： Rifaqat A.K. Rao , Fouzia Rehman
DOI: 10.1260/0263-6174.28.3.195
关键词:
摘要: The fruit peel of pomegranate (Punica granatum) exhibits a high affinity for Cu (II), Ni (II), Cd (II) and Zn (II) ions. The maximum adsorption observed was that of Cu (II) ions, followed by Zn (II), Cd (II), Ni (II) and Cr (VI) ions. The adsorption of Cu (II) ions was dependent on the initial Cu (II) ion concentration, pH, adsorbent dose, temperature and contact time. The adsorption isotherms could be described by the Langmuir and Freundlich equations. Application of the χ2-test indicated that both these models were best obeyed at 20° C …
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