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The Use of Blast Furnace Slag for Removal of Phosphorus from Wastewater in Sweden—A Review
Mälardalen University, School of Sustainable Development of Society and Technology. (MERO)ORCID iD: 0000-0003-0231-564X
2010 (English)In: Water, ISSN 2073-4441, Vol. 2, no 4, p. 826-837Article in journal (Refereed) Published
Abstract [en]

 Research on Phosphorus (P) removal capacity by blast furnace slags (BFS) has been undertaken in Sweden for the last decade. Both laboratory experiments and field trials have been carried out. While laboratory investigations revealed that BFS has a high P-sorption capacity (95–100%), P removal in field trials was much lower, ranging from 40 to 53%. In addition, a number of problems have been observed in BFS field testing including clogging, sulfuric odor and environmental (regulatory) concerns about possible leaching of heavy metals from the slag. In spite of these problems, and questioning by the environmental regulatory authorities, research continues to provide evidence that BFS can be regarded as a suitable filter media, and attempts have also been undertaken in order to further improve the P-removal capacity of this adsorbing material.

Place, publisher, year, edition, pages
MPDI: MPDI Publishing, Switzerland , 2010. Vol. 2, no 4, p. 826-837
National Category
Other Environmental Engineering
Research subject
Energy- and Environmental Engineering
Identifiers
URN: urn:nbn:se:mdh:diva-11765DOI: 10.3390/w2040826ISI: 000208555800007Scopus ID: 2-s2.0-79951857356OAI: oai:DiVA.org:mdh-11765DiVA, id: diva2:395479
Available from: 2011-02-07 Created: 2011-02-07 Last updated: 2019-01-24Bibliographically approved

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Johansson Westholm, Lena

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