Hi,
I am supposed to start experiment with Salix to remove Cu Zn and Ni from artificially contaminated soil. I am confused to choose at what concentration level EDDS is suitable to bind the metal for phytoextraction scope soil contaminated with Cu 400 mg/kg Ni 30 mg/kg and Zn 200 mg/kg. Is this EDDS applicable for the removal of heavy metals?
Dear Muhammad,
You will have to do some pre-testing to determine the amount of the EDDS chelator required for Cu, Ni, and Zn removal using your specific soil and plant system. The trick is to maximize the amount of chelated metal taken up by the plant while minimizing the amount of cheated metal that moves downward to groundwater. I attached 2 articles that may help you with your experimental design. I hope this helps.
Ethylenediamine-N,N'-disuccinic acid (EDDS) is an aminopolycarboxylic acid. It is a colourless solid that is used as chelating agent that may offer a biodegradable alternative to Ethylenediaminetetraacetic acid (EDTA).
As I understand, you desire to mobilize the heavy metals in soil by complexing with chelates like EDDS and then use a plant to extract the mobilzed and chelated heavy metals.I can not immediately quote but such work was undertaken earlier by Drs.Ravi Naidu and N.S.Bolan from Adelaide,Australia.
Dear Muhammad,
You will have to do some pre-testing to determine the amount of the EDDS chelator required for Cu, Ni, and Zn removal using your specific soil and plant system. The trick is to maximize the amount of chelated metal taken up by the plant while minimizing the amount of cheated metal that moves downward to groundwater. I attached 2 articles that may help you with your experimental design. I hope this helps.
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