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Reactive bed filters for treatment of landfill leachate
KTH, Superseded Departments, Land and Water Resources Engineering.
KTH, Superseded Departments, Land and Water Resources Engineering.
2004 (English)In: Waste 2004 - Integrated waste management and pollution control: Policy and practice, research and solutions, The Waste Conference Limited, The Barclay Centre, University of Warwick Science Park, Coventry, UK , 2004, 491-498 p.Conference paper, Published paper (Refereed)
Abstract [en]

A laboratory experiment demonstrated the use of reactive bed filters to effectively remove metals and other elements from landfill leachate. Filter media composed of sand/peat, blast furnace slag (BFS)/peat and Polonite®/peat were tested by loading filter columns with leachate collected from a pond at Tveta Landfill, located in Södertalje, Sweden. Leachate was discharged to each column with a hydraulic loading rate of 1.34 m/d. Sand and Polonite® represent natural materials, although the latter is manufactured from the bedrock opoka. BFS is a by-product from steel-works. Polonite® provided the best removal capacity when compared to the other media. Mn, Fe, Zn and Cu were removed by 99%, 93%, 86% and 67% respectively. This filter media was also able to reduce phosphorus by 90% and nitrogen by l8%.The BFS showed good removal efficiency for Cu (66%), Ni (19%) and Mo (16%). Reactive bed filters may be an economical and practical method for augmenting current, and future onsite treatment of landfill leachate disposal systems with metal, phosphorus and nitrogen removal capabilities.

Place, publisher, year, edition, pages
The Waste Conference Limited, The Barclay Centre, University of Warwick Science Park, Coventry, UK , 2004. 491-498 p.
National Category
Civil Engineering
Identifiers
URN: urn:nbn:se:kth:diva-82552OAI: oai:DiVA.org:kth-82552DiVA: diva2:498350
Conference
Stratford-upon-Avon 28-30 september 2004
Note
NQCAvailable from: 2012-02-12 Created: 2012-02-12 Last updated: 2012-02-21Bibliographically approved

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CiteExportLink to record
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Citation style
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