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非离子表面活性剂两相分配系数的计算

Calculation of Nonionic Surfactant's Partition Coefficient
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摘要 利用 UNIFAC模型对 3种同系的非离子表面活性剂进行了基团拆分 ,比较了非离子表面活性剂两相分配系数的计算值与文献值 ,结果偏差较大。为提高推算精度 ,对表面活性剂进行新的基团划分 ,提出了 UNIFAC新基团 OCH2 CH2 、OCH2 CH2 OH,重新关联了基团相互作用参数 ,并进行了平衡推算及多分散系统的验证 。 Three kinds of surfactants were separated by using original UNIFAC method. The interaction parameters of CH 2/H 2O were fitted by using the experimental liquid liquid equilibrium data. To improve the accuracy of prediction, two new functional group OCH 2CH 2、OCH 2CH 2OH were proposed and applied to surfactant system. The new interaction parameters were fitted and the liquid liquid equilibrium of normal distribution material was calculated. The results obtained are satisfactory.
出处 《华东理工大学学报(自然科学版)》 CAS CSCD 北大核心 2002年第2期204-207,215,共5页 Journal of East China University of Science and Technology
基金 教育部高等学校骨干教师资助计划项目
关键词 UNIFAC参数 非离子表面活性剂 两相分配系数 多分散系统 液液平衡 UNIFAC parameters nonionic surfactants partition coefficient polydisperse systems liquid liquid equilibrium
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参考文献10

  • 1[1]Hansen H K, Rasmussen P, Fredenslund A, et al. Vapor-liquid equilibria by UNIFAC group contribution: 5 Revision and extension[J]. Ind Eng Chem Res, 1991, 30:2 355.
  • 2[2]Fredenslund A. Vapor Liquid Equilibria Using UNIFAC[M]. New York: Amsterdam-Oxford, 1997.
  • 3[3]Skjold-J Φ rgensen S, Brbel K, Jrgen G, et al. Vapor-liquid equilibria by UNIFAC group contribution: Revision and extension[J]. I E C Process Des Dev, 1979,18(4):714-722.
  • 4[4]Magnussen T, Rasmussen P, Fredenslund A. UNIFAC parameter table for prediction of liquid-liquid equilibria[J]. IEC Proc Des Dev, 1981, 20(2):331-339.
  • 5[5]Manabe M, Koda M, Shirahama K. Partition coefficient of alkanols and polyoxyethylene alkyl rthers in the dodecane-water system at 25°C[J]. Bull Chem Soc Jpn, 1975,48(12):3 553-3 556.
  • 6[6]Reid R C, Prausnitz J M, Sherwood T K. The Properties of Gases and Liquids[M]. New York:[s.l.],1977.
  • 7[7]Bondi A. Physical Properties of Molecular Crystals, Liquid and Gases[M]. New York: Willey, 1968.
  • 8[8]Fredenslund A, Jones R L. Prausnitz J M. Group-contribution estimation of activity coefficients in nonideal liquid mixtures[J]. AIChEJ, 1975,21(6):1 086-1 099.
  • 9[9]Crook E H, Fordyce D B, Trebbi G F. Molecular weight distribution of nonionic surfactants[J]. J Colloid Interface Sci, 1965, 20:191-204.
  • 10[10]Miller S A, Bann B, Thrower R D. The reaction between phenol and ethylene oxide[J]. J Chem Soc, 1950, 72: 3 623.

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