Studies on the kinetics and equilibrium of the solvent extraction of chromium(III) from alkaline aqueous solutions of different composition in the system with Aliquat 336

► Studies of equilibrium and kinetics of Cr(III) extraction with Aliquat 336 from alkaline solutions of ClO4−, NO3− and SO42− ► Analysis of the effect of phase contact time and composition of both liquid phases on the equlibria and the rate of extraction ► Mass transfer coefficient of Cr(III) increases in the following order of anions ClO4−