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2008•The Research of Environmental SciencesRequires access

Experimental Study on Waste Leachate Treatment Using Aged Refuse

Xia Li-jiang, Ltd Siqing

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Abstract

Aged refuse and soil were used as stuffing of a bioreactor to investigate their difference in disposal of waste leachate and the effect of aeration on disposal.The results showed that COD_ Cr and NH_4+-N of waste leachate can be more effectively removed by an aged refuse bioreactor than by a soil bioreactor.Under the conditions of distributing water 40 L/(m3·d) and time 2.0 h,73% of COD_ Cr and 66% of NH_4+-N in leachate were removed by the aged refuse bioreactor,while only 52% of COD_ Cr and 42% of NH_4+-N were removed by the soil bioreactor.Furthermore,disposal of waste leachate can be improved by aeration in an aged refuse bioreactor;removal of COD_ Cr and NH_4+-N increased by 9% and 26%,respectively.

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What this paper is about

Aged refuse and soil were used as stuffing of a bioreactor to investigate their difference in disposal of waste leachate and the effect of aeration on disposal.The results showed that COD_ Cr and NH_4+-N of waste leachate can be more effectively removed by an aged refuse bioreactor than by a soil bioreactor.Under the conditions of distributing water 40 L/(m3·d) and time 2.0 h,73% of COD_ Cr and 66% of NH_4+-N in leachate were removed by the aged refuse bioreactor,while only 52% of COD_ Cr and 42% of NH_4+-N were removed by the soil bioreactor.Furthermore,disposal of waste leachate can be improved by aeration in an aged refuse bioreactor;removal of COD_ Cr and NH_4+-N increased by 9% and 26%,respectively.

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Available abstract

Aged refuse and soil were used as stuffing of a bioreactor to investigate their difference in disposal of waste leachate and the effect of aeration on disposal.The results showed that COD_ Cr and NH_4+-N of waste leachate can be more effectively removed by an aged refuse bioreactor than by a soil bioreactor.Under the conditions of distributing water 40 L/(m3·d) and time 2.0 h,73% of COD_ Cr and 66% of NH_4+-N in leachate were removed by the aged refuse bioreactor,while only 52% of COD_ Cr and 42% of NH_4+-N were removed by the soil bioreactor.Furthermore,disposal of waste leachate can be improved by aeration in an aged refuse bioreactor;removal of COD_ Cr and NH_4+-N increased by 9% and 26%,respectively.

Key concepts: Leachate, Bioreactor, Bioreactor landfill, Aeration, Waste management, Environmental science, Municipal solid waste, Pulp and paper industry

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