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Highly Robust Uio-66@Pvdf Metal-Organic Framework Beads for Tartrazine Removal from Aqueous Solutions

SSRN, ISSN: 1556-5068
2022
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Metric Options:   Counts1 Year3 Year

Metrics Details

  • Usage
    274
    • Abstract Views
      215
    • Downloads
      59
  • Ratings
    • Download Rank
      759,935

Article Description

Recently, the adsorption process has attracted a lot of attention in the purification and separation industries because of its simplicity, ease of use, and environment friendly nature. In the present study, UiO-66 MOF synthesized through a hydrothermal process was transformed into highly robust millimeter-sized beads using polyvinylidene fluoride (PVDF) containing 50% MOF by weight. The effect of parameters such as initial pH, adsorption time, initial tartrazine concentration, and temperature on the tartrazine adsorption process was also investigated. After 120 minutes of contact time, the dye adsorption equilibrium was achieved at optimum pH of 2.0 with dye removal reaching 97%. The analysis of kinetic data confirmed that the adsorption followed the pseudo-second-order model with the best linearity. The adsorption isotherm models concluded that the Langmuir model was better suited to describe dye adsorption on the beads.

Bibliographic Details

Harpreet Singh; Anuj Goyal; Sanjeev K. Bhardwaj; Madhu Khatri; Neha Bhardwaj

Elsevier BV

Multidisciplinary; adsorption; Azo dyes; Isotherms; metal-organic frameworks; Tartrazine

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