Archive · 20 Jan 2026
GCC Expands Biomining for Chennai's Waste Management
The Greater Chennai Corporation (GCC) is focusing on biomining as a key strategy for managing solid waste.
Biomining involves digging up old waste, separating compostable and recyclable materials, and safely disposing of the rest.
This method is seen as a better option than waste-to-energy (WtE) plants, which have faced public opposition due to concerns about pollution.
The GCC has already reclaimed over 100 acres of land through biomining at Perungudi and Kodungaiyur dumpyards.
Environmental activists support biomining but emphasize the need for proper execution and source segregation to reduce waste.
The success of biomining will depend on scientific methods, monitoring, and ensuring that the recovered materials are used responsibly.
GCC is expanding biomining operations to process an additional 6 lakh MT of legacy waste.
Biomining involves excavating old dumps, segregating biodegradable waste, and recovering recyclables and refuse-derived fuel (RDF).
Over 100 acres of land have been reclaimed through biomining at Perungudi and Kodungaiyur dumpyards.
Biomining is preferred over waste-to-energy (WtE) plants due to concerns about toxic emissions and long-term health impacts.
Environmental activists support biomining but stress the need for scientific execution and source segregation to reduce waste.
- Who
- Greater Chennai Corporation (GCC)
- What
- Expansion of biomining operations for solid waste management
- When
- Current and ongoing since 2022 (Perungudi) and 2024 (Kodungaiyur)
- Where
- Perungudi and Kodungaiyur dumpyards, Chennai
- Why
- To address legacy waste, reduce environmental impact, and mitigate public health concerns
- Location
- Perungudi and Kodungaiyur dumpyards, Chennai
- Biomining Cost (Perungudi)
- Rs. 350.65 crore
- Biomining Cost (Kodungaiyur)
- Rs. 641 crore
- Waste Removed (Perungudi)
- 26.35 lakh MT
- Waste Removed (Kodungaiyur)
- 22.06 lakh MT
- Land Reclaimed (Perungudi)
- 94.29 acres
- Land Reclaimed (Kodungaiyur)
- 6 acres
- Daily Waste Generation (Chennai)
- 6,000 MT