Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
September 11, 2007
Patent Application Number
09437607
Date Filed
November 10, 1999
Patent Primary Examiner
Patent abstract
The invention relates to recovering metals, such as nickel and cobalt, by phytomining or phytoextracting soils rich in metals wherein the desired metal is selectively accumulated in hyperaccumulator plants by adjusting the soil pH. The metals are ultimately recovered from above-ground plant tissues at economically acceptable levels without further contaminating the metal-containing sites. The invention also relates to metal-hyperaccumulating plants.
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