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Synthetic Communications
An International Journal for Rapid Communication of Synthetic Organic Chemistry
Volume 41, 2011 - Issue 16
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Original Articles

Synthesis of Ionic Liquids Containing the Hydroxyl Functionality for Extracting Nonylphenol and Octylphenol in Water

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Pages 2455-2460 | Received 28 Jul 2009, Published online: 14 Jun 2011
 

Abstract

A new series of task-specific ionic liquids (TSILs) containing hydroxyl groups was prepared and applied for extracting 4-nonylphenol (4-NP) and 4-tert-octylphenol (4-t-OP) in water. These new TSILs showed much greater extraction efficiencies for 4-NP and 4-t-OP than the common typical ionic liquids 1-butyl-3-methylimidazolium hexafluorophosphate ([C4mim][PF6]) and 1-hexyl-3-methylimidazolium hexafluorophosphate ([C6mim][PF6]).

ACKNOWLEDGMENTS

This work was supported by the National Natural Science Foundation of China (20377025) and the Scientific Research Foundation of Southwest University of Science and Technology (06ZX7116).

Notes

a Residual volume of TSILs after extraction.

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