Studies on Impact of Variants Influencing the Performance of SBR
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Govindasamy Vijayan, Public Works Department, Puducherry, India.
[2]
Raman Saravanane, Department of Civil Engineering, Pondicherry Engineering College, Puducherry, India.
[3]
T. Sundararajan, Department of Civil Engineering, Pondicherry Engineering College, Puducherry, India.
Wastewater treatment using Sequencing Batch Reactor (SBR) technology is one of the state-of-the art wastewater management systems. In this technology equalization, biological treatment and secondary clarification are performed in a single reactor in a time control sequence. SBR system is more ideal for the areas where the available land is limited, since it operates in less space and very cost effective even on small scales. The control of the operational parameters during the process of biological wastewater treatment is often complicated due to the dynamic change in the composition and characteristics of the raw wastewater, flow rates and the other parameters influencing the complex nature of the treatment process and the process in SBR has a unique cyclic batch operation. The microbial reactions coupled with environmental interactions are nonlinear, time-variable and of a complex nature. Identification of variables involved in the treatment process and its control systems is a vital task. The various variables such as control variables, measured variables and manipulated variables have significant effects on the performance of the SBR. The impact of some of the control variables such as Mixed Liquor Suspended Solids (MLSS), Dissolved oxygen (DO), Oxidation and Reduction Potential (ORP), pH and the number of cycles of operation and the airflow rate for aeration was studied and the test results of the pilot and real plants were compared.
Sequencing Batch Reactor (SBR), Mixed Liquor Suspended Solids (MLSS), Dissolved Oxygen (DO), Oxidation-Reduction Potential (ORP)
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