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STUDY ON CHROMATOGRAPHIC SLOPE METHOD FOR REDUCING PARAMETERS OF EXCESS GIBBS ENERGY MODELS

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【Author】 SHEN SHUBAO WANG SHAOKUN SHI JUN CHANG JUZHEN(Nanjing Institute of Chemical Technology)

【机构】 Nanjing Institute of Chemical Technology； Nanjing Institute of Chemical Technology；

【摘要】 <正> Two equations of （γ/χ）χ=0 ——a modified Kikic-Renon equation and a Valentin-Guiochon equation——have been studied. Values of γ₁^∞ and （dlnγ₁/dχ₁）χ=0 by these two equations for 29 binary systems have been calculated from GLC data, the parameters in some models of excess Gibbs free energy evaluated and the vapor-liquid equilibrium date predicted. The results are satisfactory.更多还原

【Abstract】 Two equations of （γ/χ）χ=0 ——a modified Kikic-Renon equation and a Valentin-Guiochon equation——have been studied. Values of γ₁^∞ and （dlnγ₁/dχ₁）χ=0 by these two equations for 29 binary systems have been calculated from GLC data, the parameters in some models of excess Gibbs free energy evaluated and the vapor-liquid equilibrium date predicted. The results are satisfactory.更多还原

【关键词】 satisfactory； solute； Gibbs； aniline； excess； alane； stationary； boiling； benzene； limiting；

【文献出处】 Journal of Chemical Industry and Engineering ,化工学报(英文版) , 编辑部邮箱 ,1987年01期

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