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This paper explores the separation and recovery of 4-substituted phenol and aniline derivatives from aqueous solutions by a permeation and chemical desorption (PCD) method using a silicone rubber membrane. Phenols or anilines in aqueous solution were successfully recovered to aqueous NaOH or HCl solutions, respectively, using a flat silicone membrane apparatus. The penetration rate of 4-substituted...
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