AN INVESTIGATION ON THE REMOVAL OF NITROPHENOL ONTO CARBON OBTAINED FROM TREES BRANCHES

Document Type : Original Article

Authors

1 Department of Chemical Engineering, Faculty of Engineering, Minia University, Egypt.

2 Departments of Chemical Engineering and Pilot Plant, National Research Center, Cairo,Egypt.

Abstract

ABSTRACT The ability of the carbon derived from trees branches was investigated. The carbons (Olive carbon, OC, Acacia carbon, AC, and Eucalyptus carbon, EC) were prepared by thermal pyrolysis of corresponding tree branches. The experimental isotherms data were correlated using Langmuir, Freundlich and Temkin isotherm models. In the evaluation of the data, a best-fit isotherm was obtained for the system using two error analysis methods, Temkin model gives the best agreement with experimental isotherms data obtained. Subsequently, Fixed-bed column experiments have been carried out. Two simplified design models, namely, BDST model and EBRT analysis have been used to analyze the data. The column studies data has a good agreement with the BDST model. The model can be used to predict the break time at different bed height.

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