WSTA 15th Gulf Water Conference

WSTA 15th Gulf Water Conference
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Use of a new sorbent based on granulated polyethylene waste for the elimination of paracetamol

Meriem Turkman, Bouthaina Badaoui, Rayane Mezyane, Nadji Moulai-Mostefa, Omar Bouras, Hocine Boutoumi

https://doi.org/10.5004/ic202411

Use of a new sorbent based on granulated polyethylene waste for the elimination of paracetamol

Meriem Turkman1, Bouthaina Badaoui2, Rayane Mezyane2, Nadji Moulai-Mostefa1, Omar Bouras3, Hocine Boutoumi3

1Material and Environmental Laboratory, University of Medea, 26001 Medea, Algeria
2Department of Process Engineering, University of Medea, 26001 Medea, Algeria
3Water Environment and Sustainable Development Laboratory, University of Blida 1, Blida, Algeria

https://doi.org/10.5004/ic202411

Highlights

  • WPEG and LLDPE were investigated for dynamic sorption
  • WPEG and LLDPE are effective sorbents for paracetamol removal
  • High sorption yield was around of 71.89% for WPEG under optimal conditions
  • Non-linear models of Ogata Bank and Thomas were studied
  • The sorption mechanism for both materials is a Langmuir type

Graphical abstract

Sorption of paracetamol in fixed bed column

ABSTRACT

The present research concerns a comparative study of the dynamic sorption of paracetamol in a fixed bed column on a new category of sorbents based on available wastes of granulated polyethylene (WPEG) and linear low-density polyethylene (LLDPE). The sorbents were mainly characterized by differential scanning calorimetry (DSC) method. Study of sorption kinetics was carried out by examining the effects of pH, bed height (H), and paracetamol concentration (C0). The obtained results showed that the highest removal efficiency was obtained with the following optimal parameters: C0 = 4 mg/L, H = 7 cm, and pH = 3. The use of the Thomas and Ogata-Bank equations to model the results showed that the Thomas model predicts well the experimental data with a satisfactory correlation coefficient (R2 = 0.96). The maximum sorption capacity obtained by the sorbent based on WPEG waste was approximately 115 mg/g, thus showing the great effectiveness of this sorbent in the removal of paracetamol and therefore water-soluble organic pollutants.

Keywords: Paracetamol; Waste polyethylene granulated; Sorption; Fixed bed column; Modeling

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