Vermicomposting of flyash: a potential hazardous waste converted into nutritive compost by earthworm (Eudrilus eugeniae)
by S. Dharani, G. Manimegala, G. Gunasekaran, S. Ananthakrishnaswamy, S. Sarojini
International Journal of Global Environmental Issues (IJGENVI), Vol. 10, No. 3/4, 2010

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.

Online publication date: Wed, 01-Dec-2010

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