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Sorption properties of celluloses in binary liquid mixtures

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Abstract

The adsorption capacity for methanol-benzene andn-propanol-water mixtures was measured on two kinds of microcrystalline celluloses and cotton linters. Excess adsorption isotherms were obtained; the free energy of displacement was calculated from the isotherms. The enthalpy of displacement for one crystalline cellulose was measured by flow calorimetry. The entropic function of displacement was derived from the enthalpy and free energy of displacement. The preferential adsorption of methanol andn-propanol was characterized by the adsorption equilibrium constant.

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Authors and Affiliations

  1. Department of Colloid Chemistry, Attila Jozsef University, Center for Catalysis, Surface and Material Science, Aradi Vértanúk tere 1., H-6720, Szeged, Hungary

    J. de Groot & I. Dékány

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  1. J. de Groot
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  2. I. Dékány
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On leave from the Department of Physical and Colloid Chemistry, Wageningen Agricultural University, The Netherlands

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de Groot, J., Dékány, I. Sorption properties of celluloses in binary liquid mixtures. Colloid Polym Sci 270, 470–477 (1992). https://doi.org/10.1007/BF00665991

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  • DOI: https://doi.org/10.1007/BF00665991

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