Indore, Madhya Pradesh
SBR with BNR (Biological Nutrient Removal)
Lump Sum Turnkey (LSTK)
245 MLD
Spanning a massive footprint in Indore, the Kabithkhedi facility is a cornerstone of India’s urban sanitation mission.
With a treatment capacity of 245 MLD, this plant was engineered to address the rapid urbanization of Indore, providing a high-efficiency solution that balances massive hydraulic loads with a compact process footprint. It represents a significant leap in scale for SBR technology globally.
The primary objective was the rejuvenation of the Khan and Kshipra River systems.
By implementing advanced Biological Nutrient Removal (BNR), the project aimed to eliminate nitrogen and phosphorus from the effluent, preventing eutrophication and restoring the local aquatic ecosystem to national environmental standards.
The engineering challenge was twofold: managing the sheer physical scale of a 245 MLD facility while maintaining the precision timing required by the SBR process.
Synchronizing the fill, react, settle, and decant cycles across multiple massive basins requires a sophisticated SCADA-based automation system to ensure consistent effluent quality without manual intervention.
Enviro implemented a high-performance Sequential Batch Reactor (SBR) system integrated with Biological Nutrient Removal (BNR).
This batch-process technology allows for carbon oxidation, nitrification, and phosphorus removal within a single reactor vessel.
By eliminating the need for separate secondary clarifiers and return sludge pumping stations, the solution maximized land-use efficiency while providing the Indore Municipal Corporation with a highly automated, low-maintenance asset.
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