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Cost-saving biological nitrogen removal from strong ammonia landfill leachate
Lahti Center, School of Science and Technology, Aalto University.
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Geosciences and Environmental Engineering.
Lahti Center, School of Science and Technology, Aalto University.
2011 (English)In: Waste Management & Research, ISSN 0734-242X, E-ISSN 1096-3669, Vol. 29, no 8, p. 797-806Article in journal (Refereed) Published
Abstract [en]

The aim of the study was to develop an improved management mode in Ammassuo landfill (Finland) for leachate ammonium-nitrogen removal, to minimize the leachate management costs and secure compliance with the uptrend requirements of regulations for on-site leachate management. With a single sequential batch simulation reactor, the minimum C/N ratio was detected as 1.7 (adjusted by external carbon addition), to achieve the acceptable removal efficiency of 99, 62 and 74% in NH(4)-N, total nitrogen and chemical oxygen demand, respectively. Both total nitrogen removal and efficiency of carbon use were correlated with an increasing NO(2)(-)/NO(x)(-) ratio indicating higher performance with denitrification via nitrite. It was estimated that the leachate management cost could be reduced by 28 to 38%.

Place, publisher, year, edition, pages
2011. Vol. 29, no 8, p. 797-806
National Category
Other Environmental Engineering
Research subject
Waste Science and Technology
Identifiers
URN: urn:nbn:se:ltu:diva-7467DOI: 10.1177/0734242X10394911ISI: 000294436500004Scopus ID: 2-s2.0-80052385999Local ID: 5da7ef23-e8a3-4735-863f-fae4527699bcOAI: oai:DiVA.org:ltu-7467DiVA, id: diva2:980356
Note

Validerad; 2011; 20110916 (andbra)

Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved

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Pelkonen, Markku

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