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Adsorption from binary liquid mixtures on commercial activated carbons

✍ Scribed by B. Buczek; A. Świ/(atkowski; J. Goworek

Publisher
Elsevier Science
Year
1995
Tongue
English
Weight
540 KB
Volume
33
Category
Article
ISSN
0008-6223

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✦ Synopsis

Adsorption from binary liquid mixtures of completely miscible components of different polarity was studied, in order to characterize the adsorption properties of commercial activated carbons. The excess adsorption isotherms were measured for three binary liquid systems: acetone + n-heptane, acetone + benzene, and benzene + n-heptane on four activated carbons of various ash content. Textural characteristics of the adsorbents were determined on the basis of the adsorption/desorption isotherms of argon at 77.5 K. The relationship between the extent of adsorption from the liquid phase as well as the shape of the adsorption isotherms and various parameters characterizing the investigated activated carbons are discussed. A good agreement is found as far as the actual surface area of the materials is concerned.

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