This review focused on phytoremediation technology status with particular emphasis on plant extraction of soil contaminated with heavy metals. Unlike organic compounds, heavy metals are not biodegradable and treatment usually is done by separating them. Many current tec
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This review focused on phytoremediation technology status with particular emphasis on plant extraction of soil contaminated with heavy metals. Unlike organic compounds, heavy metals are not biodegradable and treatment usually is done by separating them. Many current technologies, costly and limiting soil fertility, therefore, this action would cause negative effects on the ecosystem. Phytoremediation is a cost-effective, environmentally friendly, aesthetically pleasing approach is suitable for developing countries. Despite this potential, phytoremediation, technology is commercially available in Iran. This article is about mobility, bioavailability and plant response to the presence of heavy metals in soil. Classify plants according to the mechanism of plant extracts is done. Various techniques has been discussed to enhance plant extraction and subsequent use of phytoremediation. Since a large amount of biomass produced during the process of purification plants, disposal of biomass also requires proper management. Plants with high biomass contaminants through the food chain are elected to limit the non-edible, resistant to disease and able to provide renewable energy. Therefore, herbal extracts for use in the current situation of our country will be better than other methods.
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