Extreme selenium and tellurium contamination in soils surrounding a Ni refinery in the Swansea Valley - an eighty year-old industrial legacy

Allbwn ymchwil: Cyfraniad at gyfnodolynErthygl

47 Dyfyniadau(SciVal)

Crynodeb

Elevated levels of selenium (maximum 200 mg/kg) and tellurium (maximum 11 mg/kg) are reported in topsoils (< 5 cm) from around a long-established nickel refinery at Clydach in the Lower Swansea Valley, UK. Se and Te are correlated with each other and when these data are plotted as contour diagrams they show a concentric pattern centred on the refinery site. The origin of the Se and Te contamination is investigated. A review of the changes in the refinery practices at the site is presented and used to link the soil contamination to industrial pollution which took place over 80 years ago. The most recent air quality data available cannot rule out some Se contamination up to 2003.
Iaith wreiddiolSaesneg
Tudalennau (o-i)162–169
CyfnodolynScience of the Total Environment
Cyfrol412-413
Dynodwyr Gwrthrych Digidol (DOIs)
StatwsCyhoeddwyd - 15 Rhag 2011

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