phenol and benzoic acid_Kain Industrial Additive

Methods for separating toluene, aniline, phenol and benzoic acid First pass the mixture into NaHCO3 solution to separate benzoic acid. Then pass the NaOH solution to separate the phenol. By adding hydrochloric acid, aniline can be separated. Finally, toluene remains. 1. Add NaHCO3 solution, benzoic acid enters the water phase, and toluene, aniline, and phenol…