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The Adsorption of the Water-Soluble Dye X-BR onto Three Types of Resin: Behaviour and Mechanism

The adsorption of the water-soluble Reactive dye Brilliant Blue X-BR onto three different types of resins was investigated. The study focused on the static equilibrium adsorption behaviours and other factors influencing the adsorption process. The three resins exhibited different adsorption behaviours and mechanisms for the adsorption of X-BR from aqueous solution. The adsorption isotherms associated with the acrylic ester resin YWB-50 could be well fitted by the Langmuir equation, while those of the resins NDA-150 and D-301 could be well fitted by the Freundlich equation. The adsorption dynamics and desorption process were also investigated as a means of further exploring the difference between the adsorption behaviours and mechanisms on the three resin types.