【摘 要】
:
Molybenum (Mo) is further processed into a number of chemical products,and into pure molybdenum metal.Tri-butylphosphate (TBP) and heavy alcohols are used in the extraction of Mo from acid media of ro
【机 构】
:
Dept.of Chem.Eng.,Chungnam National Univ.,Daejeon 305-764,Korea
【出 处】
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The 6th International Conference on Separation and Technolog
论文部分内容阅读
Molybenum (Mo) is further processed into a number of chemical products,and into pure molybdenum metal.Tri-butylphosphate (TBP) and heavy alcohols are used in the extraction of Mo from acid media of roasted ore,as a selective solvent or a modifier [1].In this work,liquid-liquid equilibrium was studied for related extractive solvents and modifiers in the extraction process of Mo.In order to analyze solvent capability [2],liquid-liquid equilibrium for the ternary systems water + modifiers + TBP were determined.The measured ternary LLE data were correlated well with Non Random Two Liquid (NRTL) and UNIversal QUAsi Chemical (UNIQUAC) models [3].Furthermore,the excess molar volumes (VE) and molar refractivity deviations (△R) data at 298.15K were determined for the constituent binary components.These binary VE and △R data were correlated with the Redlich-Kister equation [4].
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