I am currently doing my research on sustainable rehabilitation of selected abandoned mine sites in Namibia. One of the selected site has got a huge slag dump and is a source of heavy metal pollution especially arsenic, zinc, lead and vanadium.
Kindly check https://www.epa.gov/sites/production/files/2015-09/documents/2000_08_pdfs_amscch.pdf
Also check https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2800070/
Tshivute Iipinge Try phytoremediation using legume for instance Cajanus cajan. This plant is resilient to toxicant and being a legume it is able to sustainably grow without the addition of fertilizers. We tested this plant in our lab with toxic petroleum sludge containing high heavy metals concentration, and it is able to survive and reduce the toxic concentration of sludge.
Article Rhizodegradation of Petroleum Oily Sludge-contaminated Soil ...
Tshivute Iipinge you may contact Dr Ibrahim A. Allamin in Nigeria for further advise as he did the experiment in our lab. Would be interesting to see the capability of this hardy plant to remediate the contaminated soil. In addition you can do metagenomic studies to see population shifts/succession.
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