articleJournal of Materials ChemistryJan 1, 2012Closed access

Metal–organic framework MIL-100(Fe) for the adsorption of malachite green from aqueous solution

SHShuhui HuoXYXiu‐Ping Yan

Nankai University

Indexed incrossref

Abstract

The adsorption of malachite green from aqueous solution on a highly porous metal–organic framework MIL-100(Fe) was studied in view of the adsorption isotherm, thermodynamics, kinetics, and regeneration of the sorbent. The adsorption isotherms of malachite green on MIL-100(Fe) followed the Freundlich model, and MIL-100(Fe) possessed heterogeneous surface caused by the presence of different functional groups on the surface. The adsorption of malachite green on MIL-100(Fe) is controlled by an entropy effect rather than an enthalpy change, and obeyed a pseudo-second-order kinetics. Analysis of the intraparticle diffusion plots revealed that more than one process affected the adsorption, and film (boundary layer)…

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Topics & keywords

Topics
Keywords
  • Adsorption
  • Malachite green
  • Aqueous solution
  • Chemistry
  • Enthalpy
  • Inorganic chemistry
  • Sorbent
  • Zeolite
UN Sustainable Development Goals
  • Clean water and sanitation
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