【作者】 陈娜； 米冠杰； 张文林； 侯凯湖；

【Author】 Na Chen,Guan-Jie Mi,Wen-Lin Zhang, *Kai-Hu Hou Institute of Green Chemical Technology,Hebei University of Technology, 300130, Tianjin

【机构】 河北工业大学绿色化工研究所；

【Abstract】 Liquid-liquid equilibrium(LLE) data of n-dibutyl sulfide-octane-tetraethylene glycol and n-butyl mercaptan-octane- tetraethylene glycol of ternary system at 30,40,50℃ were determined under atmospheric pressure by gas chromatography. Quantitative analysis was based on standard curve, to obtain accurate results. NRTL model was used to correlate and calculate LLE data of system and model’s parameters were obtained by using of simplex optimization method and imitate Newton method with objective function of mole fraction. Rule of thermodynamic equilibrium was used to deal with multi-roots problem in correlating process.更多还原