Transport processes of an ionic liquid in various soils
DOI:
https://doi.org/10.15626/Eco-Tech.2005.056Nyckelord:
Ionic liquid; Sorption; Distribution coefficient; pH; Ionic strength; Soil environmentAbstract
Ionic liquids are a new class of chemicals which are finding application in a wide variety
of chemical processes. Due to the wide range of possible application in industrial
processes, the ionic liquids should be evaluated before they enter the environment. As
part of a sustainable development of chemicals, the fate of the chemical needs to be
assessed and interactions characterized. Soils form an essential part of this assessment.
This study defines and evaluates interaction of an ionic liquid, l -butyl-3-
methylimidazolium tetrafluoroborate, with the soil component. This entity was chosen
due to its frequent applicability in various organic and catalytic processes and it is likely
that it will be soon produced on an industrial scale.
Aim of our work focused on the assessment of the partition coefficients of ionic liquid
with different types of saturated soils. The soils used in the experiment were forestry soil,
agricultural soil, fluvial agricultural soil, fluvial meadow soil and kaolinite. The partition
coefficients were determined using equilibrium batch tests. The influences of other factors
such as pH or ionic strength on sorption dependency of the ionic liquid were also studied.
Statistik
Referenser
Sheldon, R., 2001. Catalytic reactions in ionic liquids. Chem Comunn (23), 2399-2407.
Sheldon, R. A., Lau, R. M., Sorgedrager, F., van Rantwijk, K., Seddon, R., 2002. Biocatalysis in ionic liquids. Green Chem. 4, 147-1 51.
Wasserscheid, P., van Hal R., Bosmann, A., 2002. l -n-Butyl-3-methylimidazolium ([bmim]) octylsulfate - an even 'greener' ionic liquid. Green Chemistry 4: 400-404.
Anastas, P. A., Warner, J. C., 1998. Green Chemistry: Theory and Practice. Oxford University Press, Oxford.
Jastorff, B., Storrnann, R., Ranke, J., Molter, K., Stock, F., Oberheitmann, B., Hoffmann, W., Hoffmann, J., Nuchter, M., Ondruschka B., Filser,J., 2003. How hazardous are ionic liquids? Structure-activity relationships and biological testing as important elements for sustainability evaluation. Green Chemisrry 5 (2), 136-142. https://doi.org/10.1039/B211971D
Macfarlane, D. R., 2004. Ionic Liquids Symposium. A ust. J. Chem 57, 111-112.
Wilkes, J. S., 2004. Properties of ionic liquid solvents for catalysis. Mot. Cata/. AChem 214, 11-17.
Stepnowski, P.,2005. Preliminary assessment of the sorption of some alkyl imidazolium cations as used in ionic liquids to soils and sediments. Aust. J. Chem. 58, 170-173, https://doi.org/10.1071/CH05018
Stepnowski, P., Mrozik W., Jungnickel, C.. 2005. Behaviour of BMIMBF4 ionic liquid in selected saturated soils. In: Proceedings of the 4th International Conference Oils and Environment, Gdansk, Poland.
Stepnowski, P., Mrozik, W., Jungnickel, C., 2005. Distribution of ionic liquids in soils. In: Proceedings of the 1 0th EuCheMS Conference on Chemistry and the Environment, Rimini, Italy.
OECD, 2000. Adsorption - Desorption Using a Batch Equilibrium Method. OECD guideline for testing of chemicals, p. 106.
Stepnowski P., Mrozik W., 2005. Analysis of selected ionic liquid cations by ion exehange chromatography and reversed-phase high performance liquid chromatography, J. Sep. Sci. 28, 149-154.
Huang W ., Peng P., Yu Z., Fu J. 2003. Effects of organic matter heterogeneity on sorption and desorption of organic contaminants by soils and sediments. Applied Geochemistry 18, 955-972. https://doi.org/10.1002/jssc.200400019
Spark K.M., Swift R.S., 2002. Effect of soil composition and dissolved organic matter on pesticide sorption. The Science of the Total Environment 298, 147-161. https://doi.org/10.1016/S0048-9697(02)00213-9
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