Phytoremediation is the use of green plants to remove or contain pollutants from the en-vironment, or render them harmless. It has developed into a promising, cost-effective, and environmentally friendly technology that can be applied to organic and inorganic pol-lutants present in soil, sediments, surface and groundwater, and air. Phytoremediation usually takes more time than conventional technologies, but it can be applied in many areas that are not suitable for other technologies (difficult to access over land, swampy, remote). Classic remediation methods can cost $100,000 to $1,000,000 per hectare for in situ remediation of water-soluble pollutants. Phytoremediation techniques are estimated to cost $200 to $10,000 per hectare. |
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