Study on The Efficiency of Sequencing Batch Reactor (SBR) Using Oxygenation System for Domestic Wastewater Treatment: Case Study of Kutta Po Canal, Watthana Nakhon Sub-District Municipality, Sa-kaeo
Keywords:
Sequencing Batch Reactor (SBS), wastewater community, ammonium ion, phosphorus, CODAbstract
The Sequencing Batch Reactor--SBR is a shift-operated biological treatment system, effective for treating organic matter, nitrogen, and phosphorus contained in wastewater. It was developed to be easy to control and suitable for use in treating both municipal and industrial waste with a small amount of waste. Therefore, the purpose of this research study is to study the efficiency of the waste water treatment system with the Sequencing Batch Reactor--SBR in Kutta Po Canal Community in the condition of adding 10 liters of water into the system. The dissolved oxygen value was 5 milligrams per liter. The total suspended solid--TSS was 3,000 milligrams per liter. A cycle of water treatment has a period of waste water addition of 0.5 hours. The reaction period in the conditions according to the air was 10 hours. The precipitation period was one hour. The period for releasing the waste water from the system was 0.5 hours. The waiting period of the system was 12 hours, respectively. It was found that the efficiency of the system for treating ammonium ions (NH4-N) was 93.62 percent. The Total Phosphorus --TP treatment efficiency was 80.17 percent. The COD treatment efficiency was 77.92 percent. The treatment efficiency for nitrite (NO2-N) was 73.30 percent. The nitrate treatment efficiency was 69.50 percent. It was found that the efficiencies for treating ammonium ions, total phosphorus, COD, nitrite, and nitrate were significantly and statistically different with p-value 0.05. The results showed that most of the parameters after the water treatments were not higher than the standard values for waste water, but only the TSS did not meet the standard values. The results can be used as the guidelines for applying to making plans for designing efficient water treatment systems in the communities along the canal in the future.
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