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Metal retention on pine bark and blast furnace slag – On-site experiment for treatment of low strenght landfill leachate
Department of Public Technology, Mälardalen University, Västerås, Sweden. (PRO)ORCID iD: 0000-0003-3311-9465
Department of Public Technology, Mälardalen University, Västerås, Sweden. (PRO)ORCID iD: 0000-0003-0553-7918
Department of Public Technology, Mälardalen University, Västerås, Sweden. (PRO)ORCID iD: 0000-0003-0231-564X
2008 (English)In: Bioresource Technology, ISSN 0960-8524, E-ISSN 1873-2976, Vol. 99, no 5, p. 998-1005Article in journal (Refereed) Published
Abstract [en]

Treatment of landfill leachate using blast furnace slag and pine bark as reactive sorbents was studied in an in situ column experiment at the Lilla Nyby landfill site in Eskilstuna, Sweden. The columns were filled with approximately 10 l of each sorbent and leachate was supplied at three different flow rates during a period of 4 months. Samples of inflow and outflow were collected three times a week and were analyzed for physical and chemical parameters, including concentrations of some metals, and toxicity. It was found that pine bark removed metals more efficiently than did the blast furnace slags; that Zn was most efficiently retained in the filters and that both retention time and initial concentration played an important role in the sorption process. It was also observed that the pine bark column did not release COD. No toxicity of the untreated or the treated leachate was found with the test organisms and test responses used. © 2007 Elsevier Ltd. All rights reserved. 

Place, publisher, year, edition, pages
Amsterdam: Elsevier, 2008. Vol. 99, no 5, p. 998-1005
Keywords [en]
Column study, Metal sorption, Waste water treatment, Toxicity assessment
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:hh:diva-23568DOI: 10.1016/j.biortech.2007.03.006ISI: 000253250900013PubMedID: 17462882Scopus ID: 2-s2.0-37049029593OAI: oai:DiVA.org:hh-23568DiVA, id: diva2:652966
Note

This study has been financed by Mälarenergi AB, VAFAB Miljö AB and Eskilstuna Energi and Miljö.

Available from: 2007-03-26 Created: 2013-09-17 Last updated: 2017-12-06Bibliographically approved

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Nehrenheim, EmmaWaara, SylviaJohansson Westholm, Lena

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