The current study is focused on the reactive extraction of gallic acid from aqueous solution using tri-noctylamine (TOA) and tri-n-butyl phosphate (TBP) as extractants dissolved in four different diluents (4-methylpentan-2-one, kerosene, octane-1-ol, and decane) at 298 +/- 1 K and 101.325 +/- 1 kPa. A mathematical model for mass action law is used for estimation of equilibrium parameters and stoichiometric coefficients. The extraction results were interpreted as distribution coefficient (K-D) and degree of extraction (E). The solvent's ability to extract acid is observed as MIBK > octane-1-ol > n-decane > kerosene and MIBK > n-decane > kerosene > octane-l-ol with TOA and TBP, respectively. On basis of extraction capabilities, TOA with active diluents and TBP with inactive diluents are found suitable for recovery of gallic acid from aqueous solution/fermentation broth. The feasibility of the extraction process for a counter current reactive liquid extraction column is assessed by calculating design parameters of rotating disc contactor (RDC) such as column diameter (D-T), number of theoretical stages (NTS), height equivalent to theoretical stage (HETS), and height of extraction column (H) for recovery of gallic acid.