Adsorption of Toluene on Bentonites Modified by Dodecyltrimethylammonium Bromide

Sekrane, F.; Bouberka, Zohra; Benabbou, Amel; Rabiller-Baudry, Murielle

doi:10.1080/00986445.2011.552032

Cited by 8 publications

(1 citation statement)

References 46 publications

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“…Besides imidazolium and pyridinium salts, little is known about the behavior of other ionic liquids such as ammonium, phosphonium, or pyrrolidinium salts in natural environment, even though these salts are widely used as surface modifiers of natural clay. The best studied ionic liquids are quaternary ammonium salts on natural mineral sorbents (Sekrane et al 2011 ; Vidal and Volzone 2009 ; Wagner et al 1994 ) and montmorillonites modified by pyridinium phosphonium and imidazolium derivatives (Abdallah and Yilmazer 2011 ; Ganigar et al 2010 ; Goswami et al 2012 ; Livi et al 2011 ; Reinert et al 2012 ; Tiwari et al 2008 ). Obtained complexes are usually robust (due to ion exchange interactions) and stable (i.e., against thermal decomposition).…”

Section: Introductionmentioning

confidence: 99%

Interaction of Novel Ionic Liquids with Soils

Mrozik

Jungnickel

Paszkiewicz

et al. 2013

Water Air Soil Pollut

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With the constant development of new ionic liquids, the understanding of the chemical fate of these compounds also needs to be updated. To this effect, the interaction of a number of novel ionic liquids with soils was determined. Therefore, three novel headgroups (ammonium, phosphonium, or pyrrolidinium) with single or quaternary substitution were tested on a variety of soils with high-to-low organic matter content and high-to-low cation exchange capacity, thereby trying to capture the full range of possible soil interactions. It was found that the ionic liquids with single butyl alkyl chain interacted more strongly with the soils (especially with a higher cation exchange capacity), at lower concentrations, than the quad-substituted ionic liquids. However, the quad-substituted ionic liquids interacted more strongly at higher concentrations, due to the double-layer formation, and induced stronger dipole interaction with previously sorbed molecules.

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