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Vermicomposting of flyash: a potential hazardous waste converted into nutritive compost by earthworm (Eudrilus eugeniae)

Author

Listed:
  • S. Dharani
  • G. Manimegala
  • G. Gunasekaran
  • S. Ananthakrishnaswamy
  • S. Sarojini

Abstract

Vermicomposting of fly-ash(FA) mixed with different proportions of Horse dung (HD) T1 – 100% HD alone, T2 – 10% FA + 90% HD, T3 – 20% FA + 80% HD, T4 – 30% FA + 70% HD, T5 – 40% FA + 60% HD and T6 – 50% FA + 50% HD, using Eudrilus eugeniae was done to evaluate the level of heavy metals (Cr,Cd,Pb and Ni) in the vermicasts and tissue and worm biomass. The better worm biomass and maximum reduction in vermicasts and accumulation of heavy metals in the tissues. Hence E. eugeniae is an ideal species in reducing heavy metals during vermicomposting of flyash.

Suggested Citation

  • S. Dharani & G. Manimegala & G. Gunasekaran & S. Ananthakrishnaswamy & S. Sarojini, 2010. "Vermicomposting of flyash: a potential hazardous waste converted into nutritive compost by earthworm (Eudrilus eugeniae)," International Journal of Global Environmental Issues, Inderscience Enterprises Ltd, vol. 10(3/4), pages 384-397.
    • Handle: RePEc:ids:ijgenv:v:10:y:2010:i:3/4:p:384-397
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