Startseite Easy Removal of Methylparaben and Propylparaben from Aqueous Solution Using Nonionic Micellar System
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Easy Removal of Methylparaben and Propylparaben from Aqueous Solution Using Nonionic Micellar System

  • S. Habbal , B. Haddou , J. P. Canselier und C. Gourdon
Veröffentlicht/Copyright: 7. März 2019
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Tenside Surfactants Detergents
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Abstract

This study aimed to investigate the simultaneous removal of methylparaben (MePB) and propylparaben (PrPB) from effluents (each one at 16 mg/L) using a nonionic micellar system containing Triton X-114. Response surface methodology (RSM) has been carried out. Extraction results using nonionic surfactant two-phase system were considered as a function of surfactant concentration and temperature variation. Four responses were investigated: MePB and PrPB extraction yield (E), solute (Xs,w) and surfactant (Xsf,w) concentrations in the aqueous phase and the volume fraction of micellar phase (ϕC) at equilibrium. Very high extraction efficiencies (99 % for PrPB and 84 % for MePB) were achieved at optimal conditions. Thereby, the amounts of PrPB and MePB were reduced 80 and 5 times, respectively. The extraction improvement using sodium sulfate was also shown. Finally, the solute stripping from micellar phase by pH change was proved.

Kurzfassung

Ziel dieser Untersuchung war, Methylparaben (MePB) und Propylparaben (PrPB) aus Abwässern (jeweils mit 16 mg/l) unter Verwendung eines nichtionischen Mizellensystems (Triton X-114) simultan zu entfernen. Die Response-Surface-Methode (RSM) wurde durchgeführt. Die Extraktionsergebnisse unter Verwendung eines nichtionischen Tensid-Zweiphasensystems wurden als Funktion der Tensidkonzentration und der Temperaturänderung betrachtet. Es wurden vier Antworten untersucht: MePB- und PrPB-Extraktionsausbeute (E), Konzentrationen von gelöstem Stoff (Xs,w) und Tensid (Xsf,w) in der wässrigen Phase und der Volumenanteil der mizellaren Phase (ϕC) im Gleichgewicht. Unter optimalen Bedingungen wurde eine sehr hohe Extraktionswirkung (99 % für PrPB und 84 % für MePB) erreicht. Dadurch wurden die Mengen an PrPB und MePB um das 80- bzw. 5-fache reduziert. Die Extraktionsverbesserung unter Verwendung von Natriumsulfat wurde ebenfalls gezeigt. Schließlich wurde das Ablösen der gelösten Substanz aus der mizellaren Phase durch pH-Wert-Änderung nachgewiesen.

Key words: Methylparaben; propylparaben; non-ionic surfactant; response surface methodology; extraction
Stichwörter: Methylparaben; Propylparaben; nichtionisches Tensid; Response-Surface-Methode; Extraktion
∗Correspondence address, Prof. Dr. Haddou Boumediene, Laboratory of Physical Chemistry of Materials: Catalysis and Environment, University of Science and Technology of Oran, BP 1505, M'Nouar, Oran, Algeria, E-Mail:

Ms. Habbal, Safia is a Ph. D. student in the University of the Sciences and Technology of Oran. His research interest is in separation science using cloud point extraction of organic and metallic species from effluent.

Prof. Boumediene Haddou received his Ph. D. in chemical engineering and environment in 2003 from INP-Toulouse, France, He has guided more than 10 M. Sc. and Ph. D. students and published more than 20 articles. At present, he is a professor at the Faculty of Chemistry, University of the Sciences and Technology of Oran, Algeria. He is also the director of the research group in Laboratory of Physical Chemistry of Materials: Catalysis and Environment (LPCM-EC).

Dr. Canselier, Jean Paul (actually retired) was a University Teacher at the National Polytechnic Institute of Toulouse (National School of Arts in Chemical Engineering and Technology) and researcher at the Laboratory of Chemical Engineering. His teaching and research mainly concern physical chemistry (including interfacial phenomena), and industrial chemistry. He was in charge of the publications of the Formulation Group of the French Chemical Society.

Professor Gourdon, Christophe is a University Teacher at the National Polytechnic Institute of Toulouse (National School of Arts in Chemical Engineering and Technology). As a CNRS researcher for 10 years at Chemical Engineering Laboratory of Toulouse, its work has focused on solvent extraction and related technology, and more generally on the study of liquid-liquid dispersed flows. Professor since 1992, he developed a scientific strategy based on promoting continuous processes intensified. He leads a team whose themes are: microreactors and microthermal, reactors and microstructured milli-exchangers. Involved in the promotion of research the has been a consultant to various companies (Total, Arkema, Rhodia, …), director of CRITT Process Engineering, and recently he helped the MEPI (Process Intensification industrial demonstration platform create to in Toulouse. He was expert at the MSTP (1994–1997), Vice-President and Chairman of the 62th CNU section (Energy and Process Engineering) since 2003.

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Received: 2018-03-18
Accepted: 2018-07-10
Published Online: 2019-03-07
Published in Print: 2019-03-15

© 2019, Carl Hanser Publisher, Munich

Artikel in diesem Heft

  1. Contents/Inhalt
  2. Contents
  3. Review Article
  4. Novel Methods for Efficacy Testing of Disinfectants – Part II
  5. Washing Machines/Detergents
  6. A Comprehensive Literature Study on Microfibres from Washing Machines
  7. Evaluation of Fabric Softener Formulations with High Concentrations of Cationic Surfactant
  8. Environmental Chemistry
  9. Easy Removal of Methylparaben and Propylparaben from Aqueous Solution Using Nonionic Micellar System
  10. Mathematical Modeling of Destabilizing Gas Condensate Droplets in Water Emulsions Using the Population Balance Method
  11. Application
  12. Sodium Lauryl Sulfate vs. Sodium Coco Sulfate. Study of the Safety of Use Anionic Surfactants with Respect to Their Interaction with the Skin
  13. Esterification of Oleic Acid with n-Octanol in Three-Phase Microemulsions
  14. Evaluation of Interfacial Properties of Aqueous Solutions of Anionic, Cationic and Non-ionic Surfactants for Application in Enhanced Oil Recovery
  15. Physical Chemistry
  16. Adsorption of Single and Mixed Surfactants onto Jordanian Natural Clay
  17. Viscometric Studies of Cu(II) Surfactants Derived from Mustard Oil in Benzene at 303.15 K
https://doi.org/10.3139/113.110611
Schlagwörter für diesen Artikel
Methylparaben; propylparaben; non-ionic surfactant; response surface methodology; extraction

Artikel in diesem Heft

  1. Contents/Inhalt
  2. Contents
  3. Review Article
  4. Novel Methods for Efficacy Testing of Disinfectants – Part II
  5. Washing Machines/Detergents
  6. A Comprehensive Literature Study on Microfibres from Washing Machines
  7. Evaluation of Fabric Softener Formulations with High Concentrations of Cationic Surfactant
  8. Environmental Chemistry
  9. Easy Removal of Methylparaben and Propylparaben from Aqueous Solution Using Nonionic Micellar System
  10. Mathematical Modeling of Destabilizing Gas Condensate Droplets in Water Emulsions Using the Population Balance Method
  11. Application
  12. Sodium Lauryl Sulfate vs. Sodium Coco Sulfate. Study of the Safety of Use Anionic Surfactants with Respect to Their Interaction with the Skin
  13. Esterification of Oleic Acid with n-Octanol in Three-Phase Microemulsions
  14. Evaluation of Interfacial Properties of Aqueous Solutions of Anionic, Cationic and Non-ionic Surfactants for Application in Enhanced Oil Recovery
  15. Physical Chemistry
  16. Adsorption of Single and Mixed Surfactants onto Jordanian Natural Clay
  17. Viscometric Studies of Cu(II) Surfactants Derived from Mustard Oil in Benzene at 303.15 K
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