Chemical-Physical Leachate Treatment

Chemical-Physical Leachate Treatment

The results of full-scale chemical-physical treatment of sanitary landfill leachate are analyzed. The plant receives approximately 75,000 L day from a lined 50 acre landfill. The treatment sequence consists of equalization, lime precipitation, sedimentation, and air stripping of ammonia. Overall per...

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Veröffentlicht in:Journal of environmental engineering (New York, N.Y.) N.Y.), 1983-12, Vol.109 (6), p.1371-1384
Hauptverfasser: Keenan, John D, Steiner, R. Lee, Fungaroli, A. Alexander
Format: Artikel
Sprache:eng
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Zusammenfassung:The results of full-scale chemical-physical treatment of sanitary landfill leachate are analyzed. The plant receives approximately 75,000 L day from a lined 50 acre landfill. The treatment sequence consists of equalization, lime precipitation, sedimentation, and air stripping of ammonia. Overall percent removal efficiencies are BOD5, 69; kjeldahl-N, 53; cadmium, 59; copper, 38; iron, 98; lead, 66; mercury, 52; nickel, 54; zinc, 95, and, suspended solids, 95. Equalization markedly reduces operating costs. The effects of temperature and pH on heavy metals removal are also reviewed.
ISSN:0733-9372
1943-7870
DOI:10.1061/(ASCE)0733-9372(1983)109:6(1371)