H. K. Alzaidy
Department of Environment, college of science, University of Basrah, Iraq
F. M. Alkhatib
Department of Environment, college of science, University of Basrah, Iraq
A.S. Dawood
Department of Civil Engineering, college of engineering, University of Basrah, Iraq
Abstract
In this work, a basil seed was used in the removal of total petroleum hydrocarbons from industrial wastewater in the refinery oil company in Basra governor by coagulation and flocculation utilizing the design of experiments technique with the method of (analyzing screening designs). The experiments' independent variables (pH, dose of the substance used for removal, and time of the experiment). Furthermore, the relationship between the independent variables of the tests and their influence on the elimination process. As previously discussed, the results revealed that the optimum model in this study is the square model, and the maximum removal was 98 percent at PH (3), dose (3 and 1) ml, and time (60 and 30) minutes, and a comparison was made between the experimental design DOE and the multiple linear regression MLR to determine the effectiveness of the system used, which proved its great effectiveness. Where there was a significant convergence between the real and predicted effects of DOE removal, MLR was too far from the real results of DOE removal.
Keywords:
: Flocculation and coagulation, wastewater treatment, Basil seed , TPHs
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