Extractive removal of anionic dyes, namely, Color Index (CI) Reactive Blue 222 and Reactive Yellow 145, using reverse micelles based on liquid-liquid extraction (LLE) was carried out from aqueous solutions using different anionic and cationic surfactants (e.g., sodium dodecyl sulfate (SDS) and cetyltrimethylammonium bromide (CTAB), resp.), which dissolved in ethyl acetate as solvent. The reverse micelle principal acts on the dye encapsulated in the solvent in an aqueous micropool. The experiments were carried out by mixing in a simple mixer a given amount of dyes and surfactants dissolved in a solvent in an aqueous process. Due to gravity, the dye is separated from water after the solvent phase is separated from the aqueous phase, including dye encapsulated in reverse micelles. Under various experimental conditions, extraction efficiency was studied, including solution pH, extraction time, initial dye concentration, extractant concentration, temperature, stripping agent, and solvent reusability. Dyes extracted were stripped quantitatively with NaOH solution. Recovery of the solvent and the reuse of dyes and surfactants after extraction of dye molecules from reverse micelles surfactant core considered are very important from an economic point of view. The optimized conditions were 7 ± 0.2 solution pH, 9 × 10⁻² mol/L extractant concentration, 1M NaOH stripping agent concentration, 60 min extraction time, 6 × 10⁻⁵ mol/L dye concentration, and 1 : 1 aqueous to organic (A/O) ratio. 87–93% of dyes were extracted at experimental optimum conditions.

中文翻译：

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使用 CTAB 和 SDS 反胶束作为高效表面活性剂吸附剂从水介质中分离一些阴离子染料

使用基于液-液萃取 (LLE) 的反胶束从水溶液中萃取去除阴离子染料，即颜色指数 (CI) Reactive Blue 222 和 Reactive Yellow 145，使用不同的阴离子和阳离子表面活性剂（例如十二烷基钠）硫酸盐（SDS）和十六烷基三甲基溴化铵（CTAB），分别溶解在乙酸乙酯中作为溶剂。反胶束主体作用于封装在水性微池中的溶剂中的染料。通过在简单的混合器中混合一定量的染料和表面活性剂来进行实验，这些染料和表面活性剂溶解在水性过程中的溶剂中。由于重力，在溶剂相与水相分离后，染料与水分离，包括封装在反胶束中的染料。在各种实验条件下，研究了提取效率，包括溶液pH、提取时间、初始染料浓度、提取剂浓度、温度、剥离剂和溶剂可重复使用性。提取的染料用 NaOH 溶液定量地汽提。从经济角度考虑，从反胶束表面活性剂核中提取染料分子后，溶剂的回收和染料和表面活性剂的再利用是非常重要的。优化条件为 7 ± 0.2 溶液 pH，9 × 10 从经济角度考虑，从反胶束表面活性剂核中提取染料分子后，溶剂的回收和染料和表面活性剂的再利用是非常重要的。优化条件为 7 ± 0.2 溶液 pH，9 × 10 从经济角度考虑，从反胶束表面活性剂核中提取染料分子后，溶剂的回收和染料和表面活性剂的再利用是非常重要的。优化条件为 7 ± 0.2 溶液 pH，9 × 10^-2  mol/L 萃取剂浓度、1M NaOH 剥离剂浓度、60 分钟萃取时间、6 × 10 ^-5  mol/L 染料浓度和 1 : 1 水与有机 (A/O) 比。87-93% 的染料是在实验最佳条件下提取的。