Immersionskalorimetrische Einschätzung der Adsorptionsfähigkeit von Aktivkohlen gegenüber organischen Stoffen aus wäßrigen Lösungen

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Abstract
In comparison with the conventional methods for testing the adsorptive capacity of active charcoals, the author presents a new technique. The measuring possibilities of the immersion calorimetry are used. This measuring technique is based on the determination of the interaction of active charcoal with liquid adsorptives. The immersion heat referred to one mol adsorptive is used as the measure. Due to simplifying assumptions and a micropore volume of active charcoal measured with water vapour, immersion‐calorimetrically relative equilibrium constants can be determined. By the example of phenol and indol, the adsorptive capacity of several domestic and foreign samples of active charcoal is assessed on the basis of the difference of the immersion heats in benzene and water.

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