Abstract
Vanadium substituted polyoxometalate ionic liquids (POM-ILs) with increase in alkyl chain lengths, C4MImPV3W9O40, C8MImPV3W9O40, and C16MImPV3W9O40 were prepared by simple ion exchange method. These materials were characterized by elemental analysis, FTIR, electron microscopy, and thermal analysis. The dye removal ability towards methylene blue and methyl orange was studied under neutral pH. The dye removal rate of C4MImPV3W9O40 and C8MImPV3W9O40 towards methylene blue was 95%. The dye removal rate of C16MImPV3W9O40 towards methyl orange was 92%.
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