NDLI: Ammonia stripping as a pretreatment for landfill leachate

Content Provider	Springer Nature Link
Author	Cheung, K. C. Chu, L. M. Wong, M. H.
Copyright Year	1997
Abstract	The effectiveness of ammonia stripping at different air flow rates (0, 1 and 5 L min$^{−1}$) and lime dosages (0 and 10 000 mg L$^{−1}$ calcium hydroxide) was investigated in aeration tanks in a laboratory as a pretreatment to remove ammoniacal-nitrogen and organic load (COD) in landfill leachate. Ammoniacal-nitrogen removal at 20°C after one day was 70% for 0 L min$^{−1}$, 81% for 1 L min$^{−1}$ and 90% for 5 L min$^{−1}$ regardless of the origin of leachate. Ammonia loss was mainly due to desorption through water surface. The levels of phosphorus and COD were only reduced by lime precipitation, with 85% and 93% phosphorus removal and 24% and 47% COD removed for leachate from the Junk Bay Landfill (JB) and Gin Drinkers' Bay Landfill (GDB) respectively. The highly significant difference (P<0.05) of COD removal between JB and GDB might be due to the different age of the two landfills studied. Leachate quality and configuration of the treatment reactor were important factors affecting the efficiency of ammonia removal by stripping processes.
Starting Page	209
Ending Page	221
Page Count	13
File Format	PDF
ISSN	00496979
Journal	Water, Air, and Soil Pollution
Volume Number	94
Issue Number	1-2
e-ISSN	15732932
Language	English
Publisher	Kluwer Academic Publishers
Publisher Date	1997-01-01
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	landfill leachate pretreatment ammonia stripping lime Hydrogeology Environment Atmospheric Protection/Air Quality Control/Air Pollution Terrestrial Pollution Waste Water Technology Water Pollution Control Water Management Aquatic Pollution
Content Type	Text
Resource Type	Article
Subject	Ecological Modeling Environmental Chemistry Pollution Environmental Engineering Water Science and Technology

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AMMONIA STRIPPING AS A PRETREATMENT FOR LANDFILL LEACHATE

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