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2010•World Review of Science Technology and Sustainable DevelopmentRequires access

Effect of repeated leachate recycling on leachate characteristics

Dinesh Kumar, Bharat Bhushan, Nathalene Christ, Babu J. Alappat

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Abstract

In the present study, effect of repeated leachate recycling on leachate characteristics was observed in a laboratory experiment. Solid wastes of different ages, exhumed from a landfill in New Delhi (India), were used. Leachate generated from the same landfill was used to perform the experiments. Results show that repeated leachate recycling offers advantage in attenuating some pollutants in the leachate; however, more than two leachate-recycling passes may not be beneficial. Leachate Pollution Index (LPI) results show considerable reduction in the pollution potential of recycled leachate when compared with raw leachate.

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What this paper is about

In the present study, effect of repeated leachate recycling on leachate characteristics was observed in a laboratory experiment. Solid wastes of different ages, exhumed from a landfill in New Delhi (India), were used. Leachate generated from the same landfill was used to perform the experiments. Results show that repeated leachate recycling offers advantage in attenuating some pollutants in the leachate; however, more than two leachate-recycling passes may not be beneficial. Leachate Pollution Index (LPI) results show considerable reduction in the pollution potential of recycled leachate when compared with raw leachate.

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Available abstract

In the present study, effect of repeated leachate recycling on leachate characteristics was observed in a laboratory experiment. Solid wastes of different ages, exhumed from a landfill in New Delhi (India), were used. Leachate generated from the same landfill was used to perform the experiments. Results show that repeated leachate recycling offers advantage in attenuating some pollutants in the leachate; however, more than two leachate-recycling passes may not be beneficial. Leachate Pollution Index (LPI) results show considerable reduction in the pollution potential of recycled leachate when compared with raw leachate.

Key concepts: Leachate, Environmental science, Waste management, Pollution, Bioreactor landfill, Pollutant, Environmental engineering, Municipal solid waste

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