Effect of vermicomposting process on metal content of paper mill solid waste.
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2005-04-03
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Abstract
In the present study the change in metal content on vermicomposting of paper mill solid waste was studied. On vermicomposting, quantity of iron, zinc and chromium found to be increased whereas quantity of aluminium, copper, manganese, nickel and lead found comparatively low. The bioaccumulation of any metal was not observed in the body of the earthworm, hence after vermicomposting, there is no harm to fishes to utilize earthworm biomass as their food. The metal content in the vermicompost prepared from the paper mill solid waste was well within the permissive limits and can therefore be safely applied in an aquaculture, agriculture and other food production systems.
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Deolalikar AV, Mitra A, Bhattacharyee S, Chakraborty S. Effect of vermicomposting process on metal content of paper mill solid waste. Journal of Environmental Science & Engineering. 2005 Apr; 47(2): 81-4