I am working with phytoremediation using Eichornia crassipes and I would like to understand what mechanisms this plant uses to remove pollutants from the water in nature.
Water hyacinth has remarkable ability to concentrate Arsenic giving a value of 640 mg Arsenic per hectrace. that is a huge level.
Let say you had an area of high Arsenic the use of water hyacinth would concentrate it is the floating mass.
When the water hyacinth is combined with low Asrenic straw the concentrated level is greatly reduced.
The material compost can be tested to see the diluted level of the Arsenic and then applied in areas of no
Arsenic issue.
This would be a way water syacinth can produce a bioreediation and an value added product.
Hi. I hope the following link could help:
http://www.cpeo.org/techtree/ttdescript/phytrem.htm
It uses simply the commom mechanism in plants: absorption. "E. crassipes" absorving water and the ions in the solution. So, if has Pb; As; or other heavy metal, these contaminants follow to vegetal tissue. Also very used to remove N or P in excess.
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