2006
DOI: 10.1016/j.talanta.2005.12.042
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Extraction and recovery of azo dyes into an ionic liquid

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Cited by 108 publications
(73 citation statements)
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“…Algumas literaturas mostraram que a extração líquido-líquido utilizando LI para remoção de corantes é uma tecnologia eficaz (Vijayaraghavan et al, 2006;. Li et al, 2007;Pei et al, 2007).…”
Section: Sistemas Aquosos Bifásicos Baseados Em Líquidos Iônicosunclassified
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“…Algumas literaturas mostraram que a extração líquido-líquido utilizando LI para remoção de corantes é uma tecnologia eficaz (Vijayaraghavan et al, 2006;. Li et al, 2007;Pei et al, 2007).…”
Section: Sistemas Aquosos Bifásicos Baseados Em Líquidos Iônicosunclassified
“…Como uma nova e eficiente abordagem para remover corantes em efluentes aquosos, o processo de extração líquido-líquido utilizando líquidos iônicos (LI) aplicados em sistemas aquosos bifásicos (SAB) tem despertado grande interesse industrial e acadêmico (Vijayaraghavan, 2006).…”
Section: Introductionunclassified
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“…The relatively large distribution coefficient of phenolate anions indicated the ion exchange mechanism in the extraction that when phenolate anion entered into the IL phase, an equal amount of hexafluorophosphate anion was transferred to water. The performance of a neutral IL N-butyl-N-methyl pyrrolidinium bis(trifluoromethanesulfonyl)amide as extractant was studied by Vijayaraghavan et al for the removal of azo dyes from aqueous solutions (Vijayaraghavan et al, 2006). During the extraction, the azo dye went into the organic phase in its ionic form, and the distribution coefficient of the dye between IL and water was about 2.0.…”
Section: Applications Of Ionic Liquid-mediated Liquid-liquid Extractionmentioning
confidence: 99%
“…The removal of acidic azo dyes by using a pyrrolidinium-based ionic liquid was carried out and the extraction repeated with fresh ionic liquid three times yielded 95% removal of the dyes [7]. In an imidazolium-based ionic liquid system, acidic dyes were extracted quantitatively [8].…”
Section: Introductionmentioning
confidence: 99%