Abstract:EXTRACTION OF TEXTILE DYES USING TWO-PHASE AQUEOUS SYSTEMS COMPOSED OF 2-PROPANOL AND SULFATE SALTS. Aqueous Two Phase Systems (ATPS) composed of 2-propanol + inorganic salt (Na2SO4/MgSO4) + water, at different temperatures T = (20, 30, 40 and 50) °C were applied in the partition studies of the textile dyes Yellow, Blue Royal and Red Dianix CC. The thermodynamic parameters of the free transfer energy (ΔGtr), enthalpy (ΔHtr) and entropy (ΔStr), respectively, were determined for dye partitioning, using the Van’t… Show more
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