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Aerobic Biostabilization of Sanitary Landfill Leachate
Emil Norwood Cook and Edward G. Foree
Journal (Water Pollution Control Federation)
Vol. 46, No. 2 (Feb., 1974), pp. 380-392
Published by: Water Environment Federation
Stable URL: http://www.jstor.org/stable/25038130
Page Count: 13
You can always find the topics here!Topics: Chemical oxygen demand, Nitrogen, Chlorides, Biological treatment, Organic foods, pH, Calcium, Chemicals, Polishing, Activated sludge
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Aerobic biological treatment was found to be effective for stabilizing sanitary landfill leachate in a series of laboratory experiments. The best operational conditions were for a detention time of 10 days, which gave mixed liquor volatile suspended solids concentrations of 4,000 mg/l or more in the completely mixed, no-recycle systems. Stabilization of chemical oxygen demand was greater than 97 percent, and biochemical oxygen demand was reduced by more than 99 percent. Mixed liquor settling properties were good, nutrients were removed, and odor was completely removed. Units with detention times of 2 and 5 days failed. Activated carbon was useful for effluent polishing. Physical-chemical treatment of raw leachate was only partially successful.
Journal (Water Pollution Control Federation) © 1974 Water Environment Federation