Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Hanna Tuovinen"'
Autor:
Hanna Tuovinen, Mila Pelkonen, Janne Lempinen, Esa Pohjolainen, David Read, Dina Solatie, Jukka Lehto
Publikováno v:
Geosciences, Vol 8, Iss 2, p 66 (2018)
Abstract: The behaviour of base metals Ni, Zn, Cu, Co, Fe, and Mn, potentially toxic metals Pb, Cr, and Cd, and the radioactive elements, U and Th, in the Talvivaara mining process, Finland has been studied by tracing metal concentrations from the bl
Externí odkaz:
https://doaj.org/article/ba951e9ec61a449f885728c7d5e8bb4c
Autor:
Jukka Lehto, Ibrahim E. El Assay, Hanna Tuovinen, Mahmoud R Khattab, Mohamed G. El Feky, Mohamed A. Abd.El-Rahman
Publikováno v:
Instrumentation Science & Technology. 45:338-348
Three methods were employed for the determination of uranium in granitic ore rock samples. Gamma spectrometry is a non-destructive technique while alpha spectrometry and inductively coupled plasma–mass spectrometry (ICP-MS) are destructive methods
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5849d0dbf63181aec29dd2d596fc871e
https://doi.org/10.1080/10739149.2016.1242078
https://doi.org/10.1080/10739149.2016.1242078
Autor:
Jukka Lehto, Dina Solatie, Hanna Tuovinen, Janne Lempinen, Daniela Vesterbacka, David Read, Esa Pohjolainen
Publikováno v:
Journal of Environmental Radioactivity. 151:105-113
The Talvivaara mine in Eastern Finland utilizes microbe-induced heap leaching to recover nickel and other valuable metals (Zn, Cu, Co) from a black schist ore. In addition to the target metals, the ore contains uranium at a concentration of 17 mg/kg,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4ef6f08699d9afa2812e6b9e7bd2848f
https://doi.org/10.1016/j.jenvrad.2015.09.022
https://doi.org/10.1016/j.jenvrad.2015.09.022
Autor:
Jukka Lehto, Mila Pelkonen, Dina Solatie, Hanna Tuovinen, David Read, Janne Lempinen, Esa Pohjolainen
Publikováno v:
Geosciences, Vol 8, Iss 2, p 66 (2018)
Geosciences; Volume 8; Issue 2; Pages: 66
Geosciences; Volume 8; Issue 2; Pages: 66
The behaviour of base metals Ni, Zn, Cu, Co, Fe, and Mn, potentially toxic metals Pb, Cr, and Cd, and the radioactive elements, U and Th, in the Talvivaara mining process, Finland has been studied by tracing metal concentrations from the black schist
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1aafc47605fc8e2fa948b1c65dfd70ca
https://surrey.eprints-hosting.org/849417/
https://surrey.eprints-hosting.org/849417/
Autor:
Mukhambetkali Burkitbayev, Bolat Uralbekov, Bagdat Satybaldiyev, Hanna Tuovinen, Juhani Suksi, Jukka Lehto
Publikováno v:
Hydrometallurgy. 155:125-131
Column leaching test was carried out for uranium ore samples obtained from a uranium in-situ leaching (ISL) mining site using 2.45 bed volumes (BVs) of 0.255 M sulphuric acid to study the evolution of uranium concentration and its isotopic 234 U/ 238
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4a8c061c5235e967aff7b3aa8bd4ba0f
https://doi.org/10.1016/j.hydromet.2015.04.017
https://doi.org/10.1016/j.hydromet.2015.04.017
Publikováno v:
Journal of Geochemical Exploration. 148:174-180
Three different methods for determining uranium and four for determining thorium in an apatite ore, black schist and mill tailings are compared. The aim of the comparative study is to obtain analytical verification of field results so that site chara
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1c3f89b70e016737061710a3519ac4ba
https://doi.org/10.1016/j.gexplo.2014.09.004
https://doi.org/10.1016/j.gexplo.2014.09.004
Autor:
Jukka Lehto, Hanna Tuovinen, Dina Solatie, Juhani Virkanen, Kai Kaksonen, Daniela Vesterbacka, David Read
Publikováno v:
International Journal of Environmental Monitoring and Analysis. 7:85
Leaching of metals (Fe, Mn, Cu, Co, Ni, Zn, Cr, Cd, Pb) and arsenic from mine wastes and their accumulation in waters, soils and sediments have been determined at the former Paukkajanvaara uranium mine in Eastern Finland. A small-scale test mine, ope
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d5a6540c643244229c134895097530a1
https://doi.org/10.11648/j.ijema.20190704.12
https://doi.org/10.11648/j.ijema.20190704.12
Publikováno v:
Uranium-Past and Future Challenges ISBN: 9783319110585
This study deals with concentrations of heavy metals and the main uranium series radionuclide in the Syr Darya surface waters (Kazakhstan). Large proportion of studied heavy metals were transported with suspended matter (> 0.45 μm), while large prop
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e9872ed9e76ce8be9f13944b5f83ffab
https://doi.org/10.1007/978-3-319-11059-2_18
https://doi.org/10.1007/978-3-319-11059-2_18
Autor:
Hanna Tuovinen, H. Ervanne, Kerttuli Helariutta, J. Aaltonen, Stewart Alan Makkonen-Craig, E. A. Gromova, A. Lunden, V. A. Jakovlev, O. Perhola, S. Salminen
Publikováno v:
Radiochemistry. 48:603-605
An experiment to produce short-lived actinide tracers 235,236,238Np and 236Pu by bombarding uranium targets with a 10-MeV proton beam was performed in the Laboratory of Radiochemistry, University of Helsinki. The experiment was combined with a master
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d36fb1b72846d117bec11a20dcf05151
https://doi.org/10.1134/s1066362206060130
https://doi.org/10.1134/s1066362206060130