India’s First Bamboo-based Bioethanol Biorefinery (Numaligarh, Assam)

Why in News?

Prime Minister Narendra Modi inaugurated India’s first bamboo – based bioethanol plant in Golaghat, Assam, alongside laying the foundation for a ₹7,230-crore polypropylene project at Numaligarh Refinery. The facility aims to boost clean energy, reduce fossil fuel dependence, and benefit local farmers and tribal communities.

Description:

  • Name: Bamboo-based 2G Bioethanol Biorefinery
  • Location: Numaligarh, Assam
  • Developer: Assam Bio-Refinery Pvt. Ltd. (joint venture of NRL, Fortum & Chempolis)
  • Launch: September 2025
  • Capacity:
    • Feedstock → 5 lakh tonnes bamboo / year
    • Output → 49,000 TPA bioethanol + green chemicals (furfural, acetic acid)
    • 25 MW power from lignin/bio-coal

Technology & Process:

  • Type: 2G (second-generation) ethanol (uses non-food biomass)
  • Technology provider: Chempolis Oy (Finland) – “Formicobio” fractionation
  • Process:
    • Bamboo cellulose → fermented to ethanol
    • Hemicellulose → furfural, acetic acid
    • Lignin → bio-coal & electricity
  • Zero-waste: residues → biochar & power

Significance:

  • Energy security: Substitutes petrol; aids E20 blending target (2025)
  • Climate benefit: Carbon-negative; aligns with Net Zero 2070
  • Rural economy: Income & jobs for NE bamboo growers → promotes Atmanirbhar Bharat
  • Circular economy: Utilises agri/forest residue efficiently

Related Schemes & Policies:

  • National Policy on Biofuels (2018) – promotes 2G ethanol
  • E20 Roadmap – 20% ethanol blending with petrol by 2025
  • North East Bamboo Mission – encourages bamboo cultivation

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