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Landfill Leachate Treatment

John D. Keenan, R. Lee Steiner and A. A. Fungaroli
Journal (Water Pollution Control Federation)
Vol. 56, No. 1 (Jan., 1984), pp. 27-33
Stable URL: http://www.jstor.org/stable/25042153
Page Count: 7
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Landfill Leachate Treatment
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Abstract

A full-scale leachate treatment system using a number of treatment sequences was implemented for a lined sanitary landfill. The most successful treatment train was flow equalization, lime precipitation, clarification, air stripping of ammonia, neutralization, nutrient supplementation, activated sludge, and chlorination. The two activated sludge units were operated both in series and parallel, with approximately equal results. Excellent percent removals of ${\rm BOD}_{5}$ (99%), COD (95%), ammonia-N (90%), Cd (78%), Cr (73%), Cu (73%), Fe (99%), Pb (84%), Hg (27%), Ni (57%), and Zn (97%) were achieved.

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