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    Article

    Reduced-order distillation model using collocation method with cubic splines

    A simple and compact form of reduced-order distillation model especially suitable for real-time applications is proposed. For this purpose, a modular collocation approach with the cubic spline interpolation fu...

    Sang Yeol Choi, Heung Shik Kim, Kwang Soon Lee in Korean Journal of Chemical Engineering (1991)

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    Ionization and Henry’s law constants for volatile, weak electrolyte water pollutants

    Data base on ionization and Henry’s law constants up to 673 K are presented by temperature dependent equations for volatile, weak electrolyte water pollutants; ammonia, carbon dioxide, hydrogen sulfide, sulfur...

    Ki-Pung Yoo, Soo Yong Lee, Won Hong Lee in Korean Journal of Chemical Engineering (1986)

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    Article

    Diffusion in dilute polytetrahydrofuran solution

    The diffusion coefficients of four polymer-solvent mixtures at 34.0‡C were measured using a Mach-Zehnder diffusiometer. Monodisperse (Mw/Mn <1.05) polytetrahydrofuran (PTHF) with and without OH-end group were cho...

    Won Hong Lee, Joe Lin, Donald K. Anderson in Korean Journal of Chemical Engineering (1985)

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