Authors:
A. Meghea University Politehnica Faculty of Industrial Chemistry Buchares, 313, Splaiul Independentei street Bucharest Romania

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H. Rehner University Politehnica Faculty of Industrial Chemistry Buchares, 313, Splaiul Independentei street Bucharest Romania

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I. Peleanu University Politehnica Faculty of Industrial Chemistry Buchares, 313, Splaiul Independentei street Bucharest Romania

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R. Mihalache ALCONEX Bucharest 18 Sibiu street, block 813 Bucharest Romania

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Abstract  

The adsorption of phenol and ten substituted phenols on activated carbon was examined. For a comparative study, the substituted phenols were selected after nature, position, and number of functional groups; they, are: o-,m-,p-cresol, o-,m-,p-chlorphenol, m-,p-nitrophenol, resorcine, and methyl-resorcine. p-chloraniline was also studied. The single solute data were statistically fitted on 13 isotherm models: the Freundlich, Langmuir, Freundlich-Langmuir, BET, Dubinin-Raduskevitch, the three parameters empirical equation proposed by Radke and Prausnitz, Redlich-Petersen, Tóth, Myers, as well as generalised, Volmer, virial and sigmoidal isotherms. A computer program was developed to determine the most precise parameter models. The prediction results on the adsorption isotherms are compared by absolute relative percent deviations.

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Journal of Radionalytical and Nuclear Chemistry
Language English
Size A4
Year of
Foundation
1968
Volumes
per Year
1
Issues
per Year
12
Founder Akadémiai Kiadó
Founder's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher
Chief Executive Officer, Akadémiai Kiadó
ISSN 0236-5731 (Print)
ISSN 1588-2780 (Online)