Hydrophobic deep eutectic solvents for purification of water contaminated with Bisphenol-A

Catarina Florindo, Nathalie V. Monteiro, Bernardo D. Ribeiro, Luis C. Branco, I. M. Marrucho

Research output: Contribution to journalArticlepeer-review

10 Citations (Scopus)

Abstract

The occurrence of micropollutants in aquatic ecosystems poses a serious public health and environmental problem. For that purpose, the main goal of this work is the removal of an endocrine disruptor micropollutant compound, Bisphenol-A (BPA), from aqueous environments using hydrophobic deep eutectic solvents (DES). In particular, DES composed of DL-Menthol or quaternary ammonium salts as hydrogen bond acceptors (HBA) and natural fatty acids as hydrogen bond donors (HBD) were prepared. Extraction efficiencies were maximized by optimizing the experimental parameters in the extraction BPA from water using a central composite design combined with a response surface methodology. Thus, the effect of several parameters, such as stirring speed, contact time, DES/water ratio and initial BPA concentration on the extraction efficiencies were evaluated.

Original languageEnglish
Article number111841
JournalJournal of Molecular Liquids
Volume297
DOIs
Publication statusPublished - 1 Jan 2020

Keywords

  • Bisphenol-A
  • Central composite design
  • Hydrophobic deep eutectic solvents
  • Liquid-liquid extraction
  • Wastewater treatment

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