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Adsorption of 1,2-dichloropropane from aqueous solution

Pełech R., Milchert E.

Polish Journal of Chemical Technology

2007

Vol. 9, nr 2

34-36

In this study dependences of the adsorption equilibrium of 1,2-dichloropropane in aqueous solution for six activated carbons (A, AG, AG5, DTO, WD-ekstra, CWZ-22) and four polymeric adsorbents (XE-563, XE-572, XE-340, XE-348) were presented. All the adsorption isotherms onto activated carbons were described by the Freundlich equation. To analyze the isotherms on the polymeric adsorbents the Langmuir-Freundlich equation was used. It was found that in the low range of the concentrations the adsorptive properties of the activated carbons are reduced in the following direction DTO>WD-ekstra>CWZ-22>AG>A>AG5. Reducing the adsorptive properties of the polymeric adsorbents states was carried out in the following order: XE-340> XE-572>XE-563>XE-348. The adsorbents XE-340, XE-572 and XE-563 have much more higher adsorptive properties than the applied activated carbons. Lower adsorptive properties of XE-348 are the result of its high surface polarity.

Usuwanie i odzyskiwanie lotnych związków organicznych z gazów odlotowych w instalacji adsorpcyjnej TSA z nieruchomym złożem adsorbentu polimerowego

Ambrożek B.

Inżynieria i Aparatura Chemiczna

2006

Nr 5s

9-11

The paper deals with the experimental and theoretical study of a cyclic fixed bed thermal swing adsorption (TSA) system for volatile organic compounds (VOCs) removal from air. The TSA system consists of an adsorption column with the fixed bed of polymeric adsorbent. Toluene is chosen as a volatile organic compound. Dowex Optipore V503 is selected as adsorbent.