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Wet · dry · mixed

One mixed stream in. Three useful streams out.

Processing is where waste stops being a problem and starts being a resource. Social Lab designs the systems that turn wet waste into compost, dry waste into recovered material, and rejects into safely-handled streams.

In short — We design processing that separates mixed waste into its real destinations — wet into compost, dry into recovered material, reject into safe handling — and support the ULB or operator running it. Done well, it cuts GHG emissions, ends open dumping and turns waste into saleable products.
Three streams, three destinations

What we do with every kind of waste

The split only works when each stream has somewhere real to go. We design all three pathways.

Wet · organic Composting

Wet waste is stabilised through windrow or pit composting and home composters — turned into FCO-grade, marketable compost instead of methane in a landfill.

Marketable compost
Dry · recyclable Material recovery

Dry waste is sorted and recovered — high-value to recyclers, low-value flexible plastic through purchase centres and labs like Precious Plastic.

Recovered material
Reject · mixed Safe handling

Residual and mixed waste is routed responsibly — reducing open dumping and burning, and the GHG emissions that come with them.

Diverted from landfill
How processing works

Methods matched to the material

Windrow & pit composting

Stabilisation, turning with inoculum, sieving and FCO-grade quality control for marketable compost.

Material recovery

Sorting and recovery of dry waste, plastic purchase centres and Precious Plastic upcycling.

Home & decentralised

Home composters and decentralised infrastructure at Bulk Waste Generators, processing waste at source.

Processing on the ground

Systems that turned waste into resource

Browse all case studies →
Trusted by cities & partners

Municipalities & organisations we've delivered with

Lonavala Nagar Parishad logo
Ipca logo
Dwarka Nagar Palika logo
Gokhale Institute logo
Sampurnearth logo
Giz logo
Htparekh logo
The Social Lab network

Processing closes the loop the rest of the system opens

What gets collected has to go somewhere — into compost, recovered material or recycled polymer.

On-ground in Maharashtra

Waste-processing systems from Pune & Chhatrapati Sambhaji Nagar

Composting, material recovery and decentralised processing for municipalities, CSR funders and bulk waste generators across India.

Let’s talk

Need to turn your city’s waste into a resource?

We’ll build the processing pathways — compost, recovery and safe handling — that close the loop.

Or call +91 95794 42142 · [email protected]