Why in News: The first Sewage Treatment Plant using latest technology called the Sequential Batch Reactor Technology has been commissioned by the Karnataka Urban Water Supply and Drainage Board at Malur Town in Kolar District.
- The project has completed laying of manholes and sewer lines in the town of Malur and has the capacity to produce 4 MLD of water.
- The technology not only uses less land but also makes the water reusable for other non- potable purposes.
- To produce 4 MLD of water, the Board earlier needed at least 8 acres of land and the process of land acquisition has been difficult and time consuming.
- With surface water reserves being at an all-time low, water conservation and waste water treatment are essential for urban areas where consumption of water is high. By commissioning more water treatment plants, we will not only conserve water, but also be able to redistribute them effectively for industrial and domestic use.
About Karnataka Urban Water Supply & Drainage Board
- The Karnataka Urban Water Supply & Drainage Board has been supplying safe drinking water and managing underground drainage facilities in 270 urban areas of Karnataka for a population of over 160 lakhs.
- The Board is responsible for design formulation and implementation of Water Supply & Underground Drainage projects.
- The completed schemes are handed over to the concerned urban local bodies for further operation and maintenance. Currently there are 87 ongoing schemes, of which 34 are water supply schemes & 53 UGD schemes. 42 additional schemes will be commissioned to benefit over 30 lakh people of the state in the next 2 years.
About Sequencing batch reactors (SBR):
- Sequencing batch reactors(SBR) or sequential batch reactors are a type of activate sludge process for the treatment of wastewater.
- SBR reactors treat wastewater such as sewage or output from anaerobic digesters or mechanical biological treatment facilities in batches.
- Oxygen is bubbled through the mixture of wastewater and activated sludge to reduce the organic matter (measured as biochemical oxygen demand (BOD) and chemical oxygen demand (COD)).
- The treated effluent may be suitable for discharge to surface waters or possibly for use on land.