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    Environmental relevance of the platinum-group elements

    Access Status
    Fulltext not available
    Authors
    Rauch, S.
    Morrison, Greg
    Date
    2008
    Type
    Journal Article
    
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    Citation
    Rauch, S. and Morrison, G. 2008. Environmental relevance of the platinum-group elements. Elements: an international magazine of mineralogy, geochemistry, and petrology. 4 (4): pp. 259-263.
    Source Title
    Elements: an international magazine of mineralogy, geochemistry, and petrology
    DOI
    10.2113/GSELEMENTS.4.4.259
    ISSN
    1811-5209
    School
    Sustainability Policy Institute
    URI
    http://hdl.handle.net/20.500.11937/30407
    Collection
    • Curtin Research Publications
    Abstract

    Platinum-group elements (PGE) are used in an increasing number of applications, and emissions are resulting in elevated environmental concentrations of these normally rare metals. Automobile exhaust catalysts, which use Pd, Pt, and Rh as active components, are the main source of PGE emitted into urban and roadside environments, and they contribute to a global increase in PGE concentrations. Emitted PGE are found in urban air and accumulate on the road surface and in roadside soil. Transport of PGE via stormwater is resulting in contamination of aquatic environments. There is now mounting evidence that a fraction of PGE in the environment is bioavailable, and potential uptake into the biosphere is raising concern over potential risks for humans and the environment.

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