Kinetics And Mechanism Of Zinc Extraction From Sulfate Medium With Di(2-Ethylhexyl) Phosphoric Acid

摘要: Kinetic studies of the extraction zinc from aqueous sulfate solution by di(2-ethylhexyl) phosphoric acid in kerosene were made, using a constant interfacial area cell. Measurements and stripping rates led to identification rate expressions suggested mechanism this reaction. Based on nature extractant reaction for formation complex phase, simple scheme is proposed which rate-controlling step interfacial. The mass-action obtained present kinetic study considered agree with previous equilibrium study. Effects total concentration phase also investigated.