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Information Journal Paper

Title

EXPERIMENTAL STUDY AND ADSORPTION MODELING OF COD REDUCTION BY ACTIVATED CARBON FOR WASTEWATER TREATMENT OF OIL REFINERY

Pages

  81-89

Keywords

GRANULAR ACTIVATED CARBON (GAC) 

Abstract

 Application of Granular Activated Carbon (GAC) in ADSORPTION process has been studied for the advanced treatment of municipal and industrial wastewater. Because of entering poisonous compounds such as furfural, phenol and sulfides into the oily wastewater of Tehran refinery, biological aeration basins of wastewater treatment unit may not have the desired performance of COD reduction. In this study, GAC is examined for reduction of COD effluent from the Dissolved Air Flotation (DAF) unit to achieve to the environmental and design regulations. The equilibrium batch experiments as well as dynamic ADSORPTION tests were performed to determine the maximum ADSORPTION capacity and the BREAKTHROUGH CURVEs of COD, respectively. The data derived from equilibrium studies were modeled using Langmuir theory and the isotherm parameters were determined at two different temperatures of 25 and 40 C. Dynamic ADSORPTION modeling was carried out considering the axial dispersion model in the bed of GAC with the assumption of lump kinetic mass transfer and linear driving force into the solid phase. The model results of COD BREAKTHROUGH CURVE concentration have shown a fairly good agreement with experimental results. The sensitivity analysis of the dynamic model was carried out at different temperatures, bed lengths, feed flow rate and feed concentration to have a proper insight for appropriate design of a GAC fixed bed. It is concluded that GAC fixed bed could be an auxiliary unit for biological treatment of wastewater to overcome the problems of biological basin in oil refineries.

Cites

References

Cite

APA: Copy

SEYED HOSSEINI, NEKOO, & FATEMI, SHOHREH. (2013). EXPERIMENTAL STUDY AND ADSORPTION MODELING OF COD REDUCTION BY ACTIVATED CARBON FOR WASTEWATER TREATMENT OF OIL REFINERY. IRANIAN JOURNAL OF CHEMISTRY AND CHEMICAL ENGINEERING (IJCCE), 32(3 (67)), 81-89. SID. https://sid.ir/paper/618141/en

Vancouver: Copy

SEYED HOSSEINI NEKOO, FATEMI SHOHREH. EXPERIMENTAL STUDY AND ADSORPTION MODELING OF COD REDUCTION BY ACTIVATED CARBON FOR WASTEWATER TREATMENT OF OIL REFINERY. IRANIAN JOURNAL OF CHEMISTRY AND CHEMICAL ENGINEERING (IJCCE)[Internet]. 2013;32(3 (67)):81-89. Available from: https://sid.ir/paper/618141/en

IEEE: Copy

NEKOO SEYED HOSSEINI, and SHOHREH FATEMI, “EXPERIMENTAL STUDY AND ADSORPTION MODELING OF COD REDUCTION BY ACTIVATED CARBON FOR WASTEWATER TREATMENT OF OIL REFINERY,” IRANIAN JOURNAL OF CHEMISTRY AND CHEMICAL ENGINEERING (IJCCE), vol. 32, no. 3 (67), pp. 81–89, 2013, [Online]. Available: https://sid.ir/paper/618141/en

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