Aeration and In-Situ Bioremediation of Municipal Drains of Patna, India

Abstract

In India, it is essential to maintain the river ecosystem in its effective way. The aeration and bioremediation promote an ecologically efficient and economically sustainable pollution control in flowing water such as rivers, ponds, lakes, reservoirs and wetlands. This study looks at the levels of pollution and the processes underlying dissolved oxygen (DO) and biochemical oxygen demand (BOD), of Three major municipal drains in Patna, Bihar, India. Samples have been collected during April-June during the year 2022 from all the drains (a) at initial condition of wastewater without any prior treatment, (b) after use of aerators for reaeration, (c) after use of a biological product for bioremediation, and (d) after use of biological product for bioremediation and aerators for reaeration. The biological product PRIJOT for bioremediation has been tested for its applicability in water quality improvement for different conditions in all the three drains. The results indicate significant improvement for condition when aerators are used along with bioremediation process at different time and space domain.