| Cost-saving biological nitrogen removal from strong ammonia landfill leachate. | |
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MedLine Citation:
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PMID: 21382875 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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The aim of the study was to develop an improved management mode in Ämmässuo 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%. |
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Authors:
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Y Wang; M Pelkonen; J Kaila |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-3-7 |
Journal Detail:
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Title: Waste management & research : the journal of the International Solid Wastes and Public Cleansing Association, ISWA Volume: - ISSN: 1399-3070 ISO Abbreviation: - Publication Date: 2011 Mar |
Date Detail:
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Created Date: 2011-3-8 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9881064 Medline TA: Waste Manag Res Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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Lahti Center, School of Science and Technology, Aalto University, Espoo, Finland. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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