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Bulletin of the International Association of Engineering Geology - Bulletin de l'Association Internationale de Géologie de l'Ingénieur : Volume 62, Issue 4, November 2003

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Bulletin of the International Association of Engineering Geology - Bulletin de l'Association Internationale de Géologie de l'Ingénieur : Volume 62, Issue 1, February 2003

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Bulletin of the International Association of Engineering Geology - Bulletin de l'Association Internationale de Géologie de l'Ingénieur : Volume 60

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Bulletin of the International Association of Engineering Geology - Bulletin de l'Association Internationale de Géologie de l'Ingénieur : Volume 55

Batch adsorption tests of phenol in soils

Content Provider	Springer Nature Link
Author	Taha, M. R. Leng, T. O. Mohamad, A. B. Kadhum, A. A. H.
Copyright Year	2003
Abstract	The results of a study on adsorption of phenol in granite residual soil and kaolinite are presented. Experiments were conducted using batch adsorption procedures at low phenol concentrations, i.e. from 0.8 to 10 mg/L, and at higher concentrations, i.e. from 10 to 100 mg/L. The interactions have been studied with respect to the linear, Freundlich and Langmuir adsorption isotherms. It is found that the residual soil possesses greater adsorption capacity compared to that of kaolinite. For example, the linear partition coefficient, K d , for the residual soil–phenol interaction is about 10.48 L/kg while the corresponding value for the kaolinite–phenol system is 1.18 L/kg. The highly non-linear relationship, which covers the whole set of data, was transformed linearly using the linearized Freundlich and Langmuir isotherms. The linearized Langmuir plot for low concentration data may be used to estimate the maximum adsorption capacity of the soil. From limited studies it is also concluded that the granite residual soil has a great potential for use as a soil liner material. Les résultats d'une étude sur l'adsorption de phénol par des sols résiduels granitiques et la kaolinite sont présentés. Les expériences ont été conduites en réalisant des tests d'adsorption (tests conventionnels en batch) avec d'une part, des faibles concentrations de phénol, de 0,8 à 10 mg/l, et d'autre part, de plus fortes concentrations, de 10 à 100 mg/l. Les interactions ont été étudiées par référence aux isothermes d'adsorption de Freundlich et Langmuir. Il apparaît que le sol résiduel présente une plus grande capacité d'adsorption que la kaolinite. Par exemple, le coefficient de partition linéaire Kd, pour l'interaction sol résiduel–kaolinite est d'environ 10,48 l/kg tandis que la valeur correspondante pour le système kaolinite - phénol est de 1,18 l/kg. La relation fortement non linéaire, qui concerne l'ensemble des données, a été transformée en utilisant les isothermes linéarisées de Freundlich et Langmuir. La fonction linéarisée de Langmuir pour les faibles concentrations peut être utilisée pour estimer la capacité maximale d'adsorption du sol. A partir de ces quelques études on peut aussi conclure que le sol granitique résiduel présente un fort potentiel comme matériau de confinement.
Starting Page	251
Ending Page	257
Page Count	7
File Format	PDF
ISSN	14359529
Journal	Bulletin of the International Association of Engineering Geology - Bulletin de l'Association Internationale de Géologie de l'Ingénieur
Volume Number	62
e-ISSN	14359537
Language	English
Publisher	Springer-Verlag
Publisher Date	2002-11-30
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Adsorption Phénol Sol résiduel Kaolinite Isothermes d'adsorption Coefficient de partition
Content Type	Text
Resource Type	Article
Subject	Geology Geotechnical Engineering and Engineering Geology

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