Removal of Uranium from Water Using Terrestrial Plants
Uranium (U) contamination of groundwater poses a serious environmental problem in uranium mining areas and in the vicinity of nuclear processing facilities. Preliminary laboratory experiments and treatability studies indicated that the roots of terrestrial plants could be efficiently used to remove...
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| Veröffentlicht in: | Environmental science & technology 1997-12, Vol.31 (12), p.3468-3474 |
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| container_title | Environmental science & technology |
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| creator | Dushenkov, Slavik Vasudev, Dev Kapulnik, Yoram Gleba, Doloressa Fleisher, David Ting, K. C Ensley, Burt |
| description | Uranium (U) contamination of groundwater poses a serious environmental problem in uranium mining areas and in the vicinity of nuclear processing facilities. Preliminary laboratory experiments and treatability studies indicated that the roots of terrestrial plants could be efficiently used to remove U from aqueous streams (rhizofiltration). Certain sunflower plants were found to have a high affinity for U and were selected for treatment of contaminated water. Almost all of the U removed from the water in the laboratory was concentrated in the roots. Bioaccumulation coefficients based on the ratios of U concentrations in the roots vs U concentrations in the aqueous phase reached 30 000. Rhizofiltration technology has been tested in the field with U-contaminated water at concentrations of 21−874 μg/L at a former U processing facility in Ashtabula, OH. The pilot-scale rhizofiltration system provided final treatment to the site source water and reduced U concentration to |
| doi_str_mv | 10.1021/es970220l |
| format | Article |
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Rhizofiltration technology has been tested in the field with U-contaminated water at concentrations of 21−874 μg/L at a former U processing facility in Ashtabula, OH. The pilot-scale rhizofiltration system provided final treatment to the site source water and reduced U concentration to <20 μg/L (EPA Water Quality Standard) before discharge to the environment. System performance was subsequently evaluated under different flow rates permitting the development of effectiveness estimates for the approach.</description><identifier>ISSN: 0013-936X</identifier><identifier>EISSN: 1520-5851</identifier><identifier>DOI: 10.1021/es970220l</identifier><identifier>CODEN: ESTHAG</identifier><language>eng</language><publisher>Washington, DC: American Chemical Society</publisher><subject>Agronomy. 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C</creatorcontrib><creatorcontrib>Ensley, Burt</creatorcontrib><title>Removal of Uranium from Water Using Terrestrial Plants</title><title>Environmental science & technology</title><addtitle>Environ. Sci. Technol</addtitle><description>Uranium (U) contamination of groundwater poses a serious environmental problem in uranium mining areas and in the vicinity of nuclear processing facilities. Preliminary laboratory experiments and treatability studies indicated that the roots of terrestrial plants could be efficiently used to remove U from aqueous streams (rhizofiltration). Certain sunflower plants were found to have a high affinity for U and were selected for treatment of contaminated water. Almost all of the U removed from the water in the laboratory was concentrated in the roots. Bioaccumulation coefficients based on the ratios of U concentrations in the roots vs U concentrations in the aqueous phase reached 30 000. Rhizofiltration technology has been tested in the field with U-contaminated water at concentrations of 21−874 μg/L at a former U processing facility in Ashtabula, OH. The pilot-scale rhizofiltration system provided final treatment to the site source water and reduced U concentration to <20 μg/L (EPA Water Quality Standard) before discharge to the environment. System performance was subsequently evaluated under different flow rates permitting the development of effectiveness estimates for the approach.</description><subject>Agronomy. Soil science and plant productions</subject><subject>AGUA</subject><subject>Applied sciences</subject><subject>BIODECONTAMINACION</subject><subject>Biodegradation of pollutants</subject><subject>Biological and medical sciences</subject><subject>BIOREMEDIATION</subject><subject>Biotechnology</subject><subject>Chemistry</subject><subject>Contamination</subject><subject>EAU</subject><subject>Environment and pollution</subject><subject>Exact sciences and technology</subject><subject>Flowers & plants</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Groundwater</subject><subject>Groundwaters</subject><subject>Industrial applications and implications. Economical aspects</subject><subject>Natural water pollution</subject><subject>PLANTAS</subject><subject>PLANTE</subject><subject>PLANTS</subject><subject>Pollution</subject><subject>Soil and water pollution</subject><subject>Soil science</subject><subject>URANIO</subject><subject>URANIUM</subject><subject>WATER</subject><subject>Water treatment and pollution</subject><issn>0013-936X</issn><issn>1520-5851</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1997</creationdate><recordtype>article</recordtype><recordid>eNqFkM9LHDEYhoNUcLv20D9AGEor9DD2-5LJr6Ms1QqCi-5ibyGbSWR0ZkeT2VL_e7OMrGAPPeXwPnl5v4eQzwgnCBR_-KQlUArtHpkgp1ByxfEDmQAgKzUTvw_Ix5TuAYAyUBMirn3X_7Ft0YdiGe262XRFiH1X3NrBx2KZmvVdsfAx-jTEJnPz1q6HdEj2g22T__T6Tsny7Odi9qu8vDq_mJ1elpYzNZRaaC2D1LXzWDmBlgqpeC1AVBVqtG6lldIepFSWiQCM1rKGFTq2ElSEmk3J8dj7GPunTd5guiY53-YRvt8kg4JVFUP-f5AJCqBUBr-8A-_7TVznI0w2glhxvYW-j5CLfUrRB_MYm87GZ4Ngtp7NznNmv74W2uRsG7JE16TdB4rAhNwOLEesSYP_u4ttfDBCMsnNYn5jKqlm_Hpxa-aZPxr5YHtj72KuXN5g1gkchahy_m3MrUtvJ_w77wXt_J2g</recordid><startdate>19971201</startdate><enddate>19971201</enddate><creator>Dushenkov, Slavik</creator><creator>Vasudev, Dev</creator><creator>Kapulnik, Yoram</creator><creator>Gleba, Doloressa</creator><creator>Fleisher, David</creator><creator>Ting, K. 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Soil science and plant productions</topic><topic>AGUA</topic><topic>Applied sciences</topic><topic>BIODECONTAMINACION</topic><topic>Biodegradation of pollutants</topic><topic>Biological and medical sciences</topic><topic>BIOREMEDIATION</topic><topic>Biotechnology</topic><topic>Chemistry</topic><topic>Contamination</topic><topic>EAU</topic><topic>Environment and pollution</topic><topic>Exact sciences and technology</topic><topic>Flowers & plants</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Groundwater</topic><topic>Groundwaters</topic><topic>Industrial applications and implications. 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C</au><au>Ensley, Burt</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Removal of Uranium from Water Using Terrestrial Plants</atitle><jtitle>Environmental science & technology</jtitle><addtitle>Environ. Sci. Technol</addtitle><date>1997-12-01</date><risdate>1997</risdate><volume>31</volume><issue>12</issue><spage>3468</spage><epage>3474</epage><pages>3468-3474</pages><issn>0013-936X</issn><eissn>1520-5851</eissn><coden>ESTHAG</coden><abstract>Uranium (U) contamination of groundwater poses a serious environmental problem in uranium mining areas and in the vicinity of nuclear processing facilities. Preliminary laboratory experiments and treatability studies indicated that the roots of terrestrial plants could be efficiently used to remove U from aqueous streams (rhizofiltration). Certain sunflower plants were found to have a high affinity for U and were selected for treatment of contaminated water. Almost all of the U removed from the water in the laboratory was concentrated in the roots. Bioaccumulation coefficients based on the ratios of U concentrations in the roots vs U concentrations in the aqueous phase reached 30 000. Rhizofiltration technology has been tested in the field with U-contaminated water at concentrations of 21−874 μg/L at a former U processing facility in Ashtabula, OH. The pilot-scale rhizofiltration system provided final treatment to the site source water and reduced U concentration to <20 μg/L (EPA Water Quality Standard) before discharge to the environment. System performance was subsequently evaluated under different flow rates permitting the development of effectiveness estimates for the approach.</abstract><cop>Washington, DC</cop><pub>American Chemical Society</pub><doi>10.1021/es970220l</doi><tpages>7</tpages></addata></record> |
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| source | ACS Publications |
| subjects | Agronomy. Soil science and plant productions AGUA Applied sciences BIODECONTAMINACION Biodegradation of pollutants Biological and medical sciences BIOREMEDIATION Biotechnology Chemistry Contamination EAU Environment and pollution Exact sciences and technology Flowers & plants Fundamental and applied biological sciences. Psychology Groundwater Groundwaters Industrial applications and implications. Economical aspects Natural water pollution PLANTAS PLANTE PLANTS Pollution Soil and water pollution Soil science URANIO URANIUM WATER Water treatment and pollution |
| title | Removal of Uranium from Water Using Terrestrial Plants |
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