Chemical Papers

, Volume 71, Issue 1, pp 59–65 | Cite as

Effect of microwave irradiations on the sorption of alkylimidazolium salts on bentonite

  • Abdelhamid Elias
  • Zahra Nait Abdellah
  • Didier Villemin
  • Mohamed Amine DidiEmail author
Original Paper


Sorption study of alkylimidazolium salts on a bentonite aims at elaborating organophilic organoclay materials likely to be used in the separation of organic compounds of diverse polluted effluents. Therefore, the action of bromide and hexafluorophosphate salts of several alkyl-3-methylimidazolium, with long hydrocarbon chains (C10–C18), on a calcic bentonite was followed by several analysis methods. The analysis results reveal the insertion of alkylimidazolium cations between layers of clay, the adsorption extent of alkylimidazolium salts on surfaces of treated clays and presence of bonds relative to fixed organic salts. The contribution of activation by microwave irradiations on adsorption and insertion of bentonite was also studied (90 W for 5–30 min) and the obtained results were compared with those obtained under classical conditions (room temperature for 24 h). It was found that adsorption and intercalation capacities become quicker and more important under microwave activation. This insertion phenomenon becomes more and more significant with the irradiation time and the excess of imidazolium salts. The original point of the paper carries on the activation by microwave irradiations on bentonite insertion.


Spectroscopy Bentonite Alkylimidazolium salts Microwave irradiations 



We gratefully acknowledge the ATRST-Algeria (ex. ANDRU) for their financial support for the project “The rare earths” No. 38/2015.


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Copyright information

© Institute of Chemistry, Slovak Academy of Sciences 2016

Authors and Affiliations

  • Abdelhamid Elias
    • 1
  • Zahra Nait Abdellah
    • 1
  • Didier Villemin
    • 2
  • Mohamed Amine Didi
    • 3
    Email author
  1. 1.Laboratoire de Chimie Appliquée et Génie Chimique, Département de Chimie, Faculté des SciencesUniversité Mouloud Mammeri de Tizi OuzouTizi OuzouAlgeria
  2. 2.Ecole Nationale Supérieure des Ingénieurs de CAEN & Centre de RechercheUniversité de Caen-Basse Normandie, LCMT, UMR CNRS 6507, Labex EMC3, Labex SynOrgCaenFrance
  3. 3.Laboratoire des Technologies de Séparation et de Purification, Département de chimie, Faculté des sciencesUniversité de TlemcenTlemcenAlgeria

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