Kinetic Characteristics and the Performance of Up-Flow Biological Aerated Filters (UBAF) for Iraqi Municipal Wastewater | ||
| Pollution | ||
| دوره 8، شماره 2، تابستان 2022، صفحه 621-636 اصل مقاله (1.37 M) | ||
| نوع مقاله: Original Research Paper | ||
| شناسه دیجیتال (DOI): 10.22059/poll.2021.333654.1240 | ||
| نویسندگان | ||
| khairi R. Kalash* ؛ Mustafa Al-Furaiji؛ ِAmer N. Ahmed | ||
| Environment and Water Directorate, Ministry of Science and Technology, Baghdad, Iraq | ||
| چکیده | ||
| This study utilized kinetic models to study the treatment efficiencies of a laboratory-scale up-flow biological aerated filters reactor (UBAF). The treatment efficiency of a model reactor was studied using different operating conditions of the hydraulic retention times, organic loading rates, and kinetic parameters. As a result of the calculations, the second-order and modified Stover/Kincannon models are appropriate. The substrate removal rate constant K2(S) was 1.7 per day for the reactor, with a correlation coefficient of 0.9979. Utilizing the modified Stover/Kincannon model, the coefficient of the determined concentration was 0.9987; 0.9265; and 0.9685 for Chemical oxygen demand (COD); ammonium nitrogen (NH4+-N); and Total Nitrogen (TN), respectively. The calculation of the saturation value constants and maximum utilization rate for Chemical oxygen demand (COD); ammonium nitrogen (NH4+-N); and Total Nitrogen (TN) was performed using the modified Stover-Kincannon model were 178.57 and 201.80 for COD; 1.876 and 4.6 for NH4 +-N; 3.823 and 6.644 for TN, respectively. It is possible to determine the kinetic parameter for removing COD, NH4+-N, and TN from wastewater by using the modified Stover-Kincannon model. | ||
| کلیدواژهها | ||
| Domestic wastewater؛ Kinetic constant؛ second-order model؛ Removal efficiency؛ Kinetic modeling؛ Stover-Kincannon model | ||
| مراجع | ||
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