Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Batch adsorption tests of phenol in soils
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, Kd, 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.
Batch adsorption tests of phenol in soils
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, Kd, 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.
Batch adsorption tests of phenol in soils
Taha, M. R. (Autor:in) / Leng, T. O. (Autor:in) / Mohamad, A. B. (Autor:in) / Kadhum, A. A. H. (Autor:in)
2002
Aufsatz (Zeitschrift)
Englisch
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