Metal phosphates and remediation of contaminated land

Research output: Chapter in Book/Report/Conference proceedingConference contribution



Publication details

Title of host publicationEnvironmental mineralogy
DatePublished - 2000
Number of pages21
Place of PublicationLondon
EditorsJD CotterHowells, LS Campbell, E ValsamiJones, M Batchelder
Original languageEnglish
ISBN (Print)0-903056-20-8


The remediation of metal-contaminated soils is a growing environmental problem. Current practice often involves either capping contaminated sites or removing contaminated material and storing it elsewhere. However, given that metal phosphates are highly insoluble under a wide range of Eh and pH conditions, it has been suggested that the conversion of metals into metal phosphates may represent a sustainable, in situ, remediation technique for metal-contaminated soils. In this chapter the solubility of metal phosphates and experimental work investigating the potential for metal phosphate formation as a remediation technique are reviewed. It is concluded that current work indicates that metal phosphate formation may well be a viable treatment. However, further held trials and investigations into the solubility of some less well known metal phosphates, particularly in the presence of organic ligands and microorganisms are required.

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