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Recebido em 2/4/07; aceito em 20/9/07; publicado na web em 2/4/08 LIQUID-LIQUID EXTRACTION (LLE) OF Fe(III) AND Ti(IV) BY BIS-(2-ETHYL-HEXYL) PHOSPHORIC ACID (D2EHPA) IN SULFURIC ACID MEDIUM: This work presents a study on the separation of Fe(III) and Ti(IV) from sulfuric acid leaching solutions of ilmenite (FeTiO 3 ) using liquid-liquid extraction with D2EHPA in n-dodecane as extracting agent. The distribution coefficients (K D ) of the elements related to free acidity and concentration ofdoi:10.1590/s0100-40422008000500053 fatcat:rq7fioizdbfrpiitjh6hwaec4i