Peculiarities of the interaction of ε-caprolactam with the surface of active carbons |
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| Authors: | T V Astrakova V P Yustratov Yu V Solov’eva |
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| Institution: | (1) Kemerovo Technological Institute of the Food Industry, bul. Stroitelei 21, Kemerovo, 650060, Russia |
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| Abstract: | The properties of two active carbons before and after the adsorption of ε-caprolactam were studied by IR spectroscopy, XRD analysis, and electron microscopy. It was established that the adsorption of ε-caprolactam from aqueous solutions onto the active carbons is controlled by three types of adsorption interactions: micropore volume filling, hydrogen-bond interaction with functional carboxy groups at the surface of mesopores, and dispersion interaction (leading to the formation of ε-caprolactam aggregates). |
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