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Passive and semi-passive treatment alternatives for the bioremediation of selenium from mine waters

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dc.contributor.author Martin, Alan J.
dc.contributor.author Jones, Ron
dc.contributor.author Buckwalter-Davis, Martha
dc.date.accessioned 2010-05-13T19:13:22Z
dc.date.available 2010-05-13T19:13:22Z
dc.date.issued 2009
dc.identifier.uri http://hdl.handle.net/2429/24655
dc.description.abstract The bioremediation of selenium (Se) from mine waters using passive systems (those requiring negligible management) and semi-passive systems (those requiring active management to sustain desired conditions and processes) is reviewed. Examples of passive systems include natural wetlands, constructed surface-flow wetlands, constructed subsurface-flow wetlands and permeable reactive barriers (PRB). Examples of semi-passive systems, such as in situ pit lake treatment, require active management that may involve periodic amendments (e.g., organic carbon, nutrients) to stimulate desired microbial mechanisms. In all cases, Se bioremediation relies primarily upon microbial and/or biological processes to remove Se from solution, including plant uptake, precipitation (e.g., in situ formation of elemental Se), adsorption, microbial/algal assimilation and biological volatilization (e.g., release of dimethyl selenide to atmosphere). Case studies that describe field-scale examples of passive and semi-passive bioremediation for Se are presented. Considerations for Se bioremediation in interior temperate climates (e.g. Elk River Valley region) as they relate to constructed/natural wetlands, pond environments (e.g. sedimentation ponds), pit lakes and PRBs are discussed. Key words: selenium, bioremediation, passive, semi-passive, mining en
dc.language.iso eng en
dc.relation.ispartofseries British Columbia Mine Reclamation Symposium 2009 en
dc.title Passive and semi-passive treatment alternatives for the bioremediation of selenium from mine waters en
dc.type text en
dc.type.text conference Paper en
dc.description.affiliation Applied Science, Faculty of en
dc.description.reviewstatus Unreviewed en
dc.rights.copyright British Columbia Technical and Research Committee on Reclamation en
dc.description.scholarlevel Unknown en

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