| Title: |
Phytoextraction of metals: Investigation of hyperaccumulation and field testing (Research Project 6)
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| Resource Type: |
document --> technical publication --> methodology description
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| Country: |
EU Projects
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| Year: |
2005 |
| Author 1/Producer: |
CL:AIRE
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| Other Authors/Producers: |
Gray C., McGath S., Sweeney R.
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| Author / Producer Type: |
Agency, regulator or other governmental or inter-governmental body
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| Report / download web link (=direct link): |
http://www.claire.co.uk/rprojects.php
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EUGRIS Keyword(s): |
Contaminated land-->Contaminants-->Heavy metals
Contaminated land-->Remediation options-->Ex situ treatment technologies
Contaminated land-->Remediation options-->Remediation options overview
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| Long description: |
The remediation of heavy metal and metalloid contaminated soils is of considerable national importance in the UK. This is because of the potential adverse effects these contaminants may pose to food quality, soil and human health and the environment. In response, there have been numerous technologies developed to remediate contaminated soil. A relatively new technology is phytoextraction, an in situ remediation technique that uses hyperaccumulator plants to extract contaminants from soils and accumulate them in the harvestable parts of the plant which can then be removed from site. Phytoextraction has been considered as an environmentally sustainable, low-input approach for remediation of contaminated soils.
In this investigation a field trial was undertaken to evaluate the ability of two hyperaccumulators of arsenic (As), Pteris vittata and Pteris cretica, to extract As from contaminated soils. In addition, a series of complementary laboratory experiments were undertaken to explore the mechanisms of As accumulation in these ferns.
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Submitted By:
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Mr John Henstock WhoDoesWhat?
Last update: 10/05/2006
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