On the Temperature Dependence of Adsorption of Organic Materials from Aqueous Solution

Adsorption studies of phenol and aniline from aqueous solution on to various active carbons are reported. The data indicate a maximum dependence for adsorption with temperature for both adsorbates, with that for aniline being considerably above the normal freezing point for the liquid. It is conclud...

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Main Authors: K.H. Radeke, G. Hartmann
Format: Article
Language:English
Published: SAGE Publications 1991-09-01
Series:Adsorption Science & Technology
Online Access:https://doi.org/10.1177/026361749100800304
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author K.H. Radeke
G. Hartmann
author_facet K.H. Radeke
G. Hartmann
author_sort K.H. Radeke
collection DOAJ
description Adsorption studies of phenol and aniline from aqueous solution on to various active carbons are reported. The data indicate a maximum dependence for adsorption with temperature for both adsorbates, with that for aniline being considerably above the normal freezing point for the liquid. It is concluded that such anomalous behaviour cannot be attributed solely to a higher packing density for the adsorbate above its melting point as previously suggested and that some other thermodynamic reason must be sought.
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spelling doaj.art-5978297ec04e4021bf5583a190f1fb0a2024-03-02T11:43:41ZengSAGE PublicationsAdsorption Science & Technology0263-61742048-40381991-09-01810.1177/026361749100800304On the Temperature Dependence of Adsorption of Organic Materials from Aqueous SolutionK.H. Radeke0G. Hartmann1INTUS e.V. (Ad-Institute of Technology and Environmental Protection at the Berlin Polytechnical Colleges), Rudower Chaussee 5, D-1199 Berlin, Germany.INTUS e.V. (Ad-Institute of Technology and Environmental Protection at the Berlin Polytechnical Colleges), Rudower Chaussee 5, D-1199 Berlin, Germany.Adsorption studies of phenol and aniline from aqueous solution on to various active carbons are reported. The data indicate a maximum dependence for adsorption with temperature for both adsorbates, with that for aniline being considerably above the normal freezing point for the liquid. It is concluded that such anomalous behaviour cannot be attributed solely to a higher packing density for the adsorbate above its melting point as previously suggested and that some other thermodynamic reason must be sought.https://doi.org/10.1177/026361749100800304
spellingShingle K.H. Radeke
G. Hartmann
On the Temperature Dependence of Adsorption of Organic Materials from Aqueous Solution
Adsorption Science & Technology
title On the Temperature Dependence of Adsorption of Organic Materials from Aqueous Solution
title_full On the Temperature Dependence of Adsorption of Organic Materials from Aqueous Solution
title_fullStr On the Temperature Dependence of Adsorption of Organic Materials from Aqueous Solution
title_full_unstemmed On the Temperature Dependence of Adsorption of Organic Materials from Aqueous Solution
title_short On the Temperature Dependence of Adsorption of Organic Materials from Aqueous Solution
title_sort on the temperature dependence of adsorption of organic materials from aqueous solution
url https://doi.org/10.1177/026361749100800304
work_keys_str_mv AT khradeke onthetemperaturedependenceofadsorptionoforganicmaterialsfromaqueoussolution
AT ghartmann onthetemperaturedependenceofadsorptionoforganicmaterialsfromaqueoussolution