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Radionuclide and heavy metal redistribution at the former pilot-scale apatite plant in Sokli, northern Finland

Tuovinen, Hanna, Vesterbacka, Daniela, Lempinen, Janne, Pohjolainen, Esa, Read, David, Solatie, Dina and Lehto, Jukka (2015) Radionuclide and heavy metal redistribution at the former pilot-scale apatite plant in Sokli, northern Finland Boreal Environment Research, 20 (3). pp. 350-362.

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Abstract

A new phosphate mine is being planned at Sokli in northern Finland. In the late 1970s, pilot-scale mining and mineral processing took place at the site. The mobilisation of radionuclides and heavy metals from the mill tailings was examined in order to assess the potential environmental impact of past and future mining activities. Given the considerable amount of apatite still present, the waste material does not represent true tailings. Variations in abundance probably represent material discharges to the tailings rather than mobilization of the elements from the tailings themselves. No indication of heavy-metal migration was found. Extraction results suggest that only a small proportion of cadmium is in exchangeable form. Elements that are partly soluble under weakly-acidic conditions include copper, zinc, cadmium, uranium and lead. However, most of the elements are tightly bound to the sample matrix and therefore not easily released to the environment.

Item Type: Article
Divisions : Faculty of Engineering and Physical Sciences > Chemistry
Authors :
NameEmailORCID
Tuovinen, Hanna
Vesterbacka, Daniela
Lempinen, Janne
Pohjolainen, Esa
Read, Davidd.read@surrey.ac.uk
Solatie, Dina
Lehto, Jukka
Date : 25 June 2015
Depositing User : Karen Garland
Date Deposited : 26 Sep 2018 15:02
Last Modified : 26 Sep 2018 15:02
URI: http://epubs.surrey.ac.uk/id/eprint/849464

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