Analytische Chemie: Eine indische Zeitschrift
ISSN (PRINT): 0974-7419

Abstrakt

Adsorption of Carbofuran Insecticide from Aqueous Solution using Commercial Activated Carbon

J. M. Salman, F. M. Abd and A. A. Muhammed


The adsorption characteristics of carbofuran on commercial ac tivated carbon (C AC-F200) from aqueous solution were evaluated. Batch adsorption processes were conducted to study the effects of various parameters such as initial concentration, agitation time and solution pH on carbofuran adsorption. Adsorption capacity was found to increase with incr ease in initial concentration and agitation time, while acidic pH was more favorable for the adsorption of ca rbofuran. Equilibrium data were analyzed by the Langmuir, Freundlich and Temkin isotherm models. Th e equilibrium data were best represented by the Langmuir isotherm, yielding maximum monolayer adsorption capacity of 97.1 mg/g at 30 o C. The adsorption kinetics was found to follow the pseudo second order kinetic model.


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