1. Floating Trashboom Barriers
A flagship initiative of the Tamil Nadu Pollution Control Board (TNPCB) to intercept floating waste in Chennai's river systems before it reaches the sea. The Trash Boom is a floating barrier system that captures plastics and other floating debris, reducing marine pollution, improving river water quality, enhancing plastic recovery and end-of-life management, and protecting coastal and marine ecosystems.

Project Location
* Phase I: Adyar River, near Saidapet Market, Chennai
* Phase II: Additional locations to be identified
Key components includes
* Floating Trash Boom Barrier
* Anchoring system
* Waste collection & transfer to MRF
* Plastic segregation and recycling linkages ensuring circular economy
Project Cost: ₹4 .00 Crore

2. Material Recovery Facility (MRF)
MRF is a solid waste management initiative and infrastructure mechanism to strengthen recycling and resource recovery in 14 coastal districts of Tamil Nadu. The project aims to improve waste segregation, recover recyclable materials, reduce landfill disposal, and prevent plastic / other waste from entering rivers, and the marine environment, thereby supporting a circular economy.
Project locations identified
* Chennai
* Ramanathapuram
* Thoothukudi
Key components includes
* Waste Collection & Aggregation of Recyclable Materials
* Infeed & Conveyor Belt Transfer System
* Sorting Line for Material Segregation
* Hydraulic Baling Machine
* Plastic Shredding Unit
* Dedusting Unit for Material Quality Enhancement
* Digital Weighing & Material Tracking System
* Storage & Channelisation to Authorised Recycling Partner
Project Cost: ₹ 1 Cr

3. Discarded Fishnet Collection Centre
A key circular economy initiative under TNPCB to collect, recover, and recycle abandoned, lost, or discarded fishing gear (ALDFG) across Tamil Nadu's coastal districts. The project aims to prevent ghost fishing, reduce marine plastic pollution, promote responsible disposal of fishing nets, and support sustainable livelihoods through recycling and incentive-based collection.
Project Locations
Phase I
* Operational: Thiruvarur, Tiruvallur, and Cuddalore
* Work order issued: Chengalpattu, Chennai, and Villupuram
Phase II (Planned)
* Mayiladuthurai
* Nagapattinam
* Thanjavur
* Pudukkottai
* Ramanathapuram
* Thoothukudi
* Tirunelveli
* Kanyakumari
Key Features
* Prefabricated steel/modular structures
* Storage and sorting bays
* IoT enabled weighing machine
* Segregation zones for HDPE, nylon nets, other marine plastics
* Worker amenities
* CCT for security purpose
Project Cost: ₹ 1.75 Cr