Studies of adsorption equilibria and kinetics of o-, m-, p-nitro- and chlorophenols on microporous carbons from aqueous solutions

The studies of adsorption of o-, m-, and p-nitrophenols and chlorophenols from aqueous solutions on microporous activated carbon are presented. The adsorption isotherms were measured at different temperatures: 288, 298, 308 and 318 K. The thermal analysis was applied in order to find the differences...

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Published inAdsorption : journal of the International Adsorption Society Vol. 16; no. 4-5; pp. 359 - 375
Main Authors Derylo-Marczewska, Anna, Miroslaw, Katarzyna, Marczewski, Adam W., Sternik, Dariusz
Format Journal Article
LanguageEnglish
Published Boston Springer US 01.10.2010
Subjects
Chemistry
Chemistry and Materials Science
Engineering Thermodynamics
Heat and Mass Transfer
Industrial Chemistry/Chemical Engineering
Surfaces and Interfaces
Thin Films
Adsorption from solutions
Adsorption equilibria and kinetics
Microporous carbon
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Summary:The studies of adsorption of o-, m-, and p-nitrophenols and chlorophenols from aqueous solutions on microporous activated carbon are presented. The adsorption isotherms were measured at different temperatures: 288, 298, 308 and 318 K. The thermal analysis was applied in order to find the differences in solute interactions with adsorbent surface. The kinetic dependences were measured and the relations between position of adsorbate functional groups and adsorption rate were discussed. The adsorption data are analyzed in terms of the theory of physical adsorption on energetically non-homogeneous solids. The relations between the adsorbate structure and adsorption effectiveness, and the influence of temperature are discussed.
ISSN:0929-5607
1572-8757
DOI:10.1007/s10450-010-9247-9