Efficiency and Kinetics of Extracting Phenol from Aqueous Solutions Using Nonionic Surfactants

Resumo

The efficiency and kinetics of extracting phenol from aqueous solutions using nonionic surfactants at the cloud point temperature are studied via NMR. The nonionic surfactants are neonoles AF9-8, AF9-9, AF9-10, and AF9-12; ethoxylated fatty alcohols C₁₂E₄ and C₁₂E₅; pluronics PE6200 and RE6400; and syntanol Brij 35. The efficiency of extraction using neonols and ethoxylated fatty alcohols lies in the range of 40–60%, and reaches 80% when using pluronics PL6200 and PE6400. The obtained data could be of interest to researchers in the field of phase equilibria.