New research highlights how mechanical recycling, pyrolysis and emerging plastic-to-hydrogen processes could convert India's mounting plastic waste into fuels, materials and clean energy.

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• India generates an estimated 25,000 to 26,000 tonnes of plastic waste every day, according to Central Pollution Control Board estimates cited in recent research.
• Mechanical recycling remains the most established route, where segregated plastics are processed and remoulded into products such as bottles, chairs and tabletops.
• Pyrolysis breaks down plastic polymers into simpler hydrocarbon compounds by heating them to high temperatures, typically between 400°C and 800°C, without oxygen.
• The hydrocarbon gases and liquid fractions from pyrolysis can be refined into fuels, including cooking gas and low-sulphur diesel substitutes.
• Emerging plastic-to-hydrogen processes use heat, steam reforming and pressure-swing adsorption to extract hydrogen gas from pyrolysis-derived hydrocarbons.
• The extracted hydrogen can subsequently be reacted with oxygen in a fuel cell to generate electricity, linking waste management with clean-energy production.
• Researchers have also explored producing hydrogen from alternative feedstocks such as seawater and seaweed biomass, broadening future clean-hydrogen pathways.
• Waste-to-energy technologies can thermally process unrecyclable plastic waste to generate electricity directly, cutting the volume sent to landfills.
• Pilot projects in India, including a plastic-to-hydrogen pyrolysis facility set up in Hyderabad, have tested these conversion technologies at a small commercial scale.
• Proponents say diversifying plastic waste into materials, fuels and hydrogen supports a circular economy while reducing landfill accumulation and environmental leakage.
• The approach has relevance across GS Paper III themes covering pollution control, waste management, circular economy and emerging clean-energy technologies.
• Scaling these processes nationally would require greater investment in segregation infrastructure and pyrolysis capacity alongside existing mechanical recycling systems.

Tags: PlasticToHydrogen, WasteToEnergy, CircularEconomy