Please use this identifier to cite or link to this item: http://hdl.handle.net/123456789/748
Title: Determining the Best BOD Kinetic Parameters Estimation Method for Wastewater of the State of Kuwait
Authors: Dana Kh. Shehada 
Supervisor: Dr. Rawa Al-Jarallah
Keywords: BOD : kuwait
Issue Date: 2014
Publisher:  Kuwait university - college of graduate studies
Abstract: The BOD kinetic parameters (L0, k) are imperative constants; they define the way of designing, operating and controlling the biological treatment units in wastewater treatment plants. There is no direct method for measuring these parameters. Hence, several empirical methods were developed leaving the choice open to which method is best. This study focuses on determining the best method for estimating BOD kinetic parameters and using it to find those for wastewater in the State of Kuwait. Samples from Al-Reqqa Wastewater Treatment Plant were obtained for two consecutive weeks, once in the summer and once in the winter. Total BOD values for these samples were determined and analyzed to determine the BOD kinetic parameters. Six different estimation methods were used in the analysis (Reed-Theriault, Thomas, Fujimoto, Least Squares, Log-Difference and Iteration). To assess the accuracy of these methods, the total error, coefficient of determination and model selection criterion values were used. The assessment revealed that the Reed-Theriault method is the most accurate, thus, the results obtained from it were averaged for summer and winter. Their values were determined to be (ke = 0.349 d-1 and L0 = 187.6 mg/L) for summer and (ke = 0.275 d-1 and L0 = 166.3 mg/L) for winter. This study provides information necessary for the administrators of the wastewater treatment plants to help them in increasing the treatment processes efficiencies, which will lead to cost reduction and environment protection. In addition, it provides data that other researchers and plant designers can base their studies on. Last but not least, the results are of great importance for educational institutes that practice such analytical procedures.
URI: http://hdl.handle.net/123456789/748
Appears in Programs:0620 Civil Engineering

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