BACKGROUND Bengaluru, known as the Silicon Valley of India, is in the Southern region of India. The local wastewater treatment plant, called Jakkur STP, was tasked with providing 15 MLD of cooling water, essentially plant effluent, to a local power plant. To prevent scaling, the cooling water needed to have a Biological Oxygen Demand (BOD) of less than 2 mg/L and a T otal Nitrogen (TN) of less than 10 mg/L. To meet these demands, the first step included increasing the overall treatment capacity from 10 MLD to 15 MLD. The treatment process of conventional anaerobic + conventional activated sludge was redesigned to accommodate two (2) 7.5 MLD treatment trains.

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