Because they also absorb and concentrate toxic metals, such as lead, these natural collectors could help to decontaminate industrial waste sites, a process known as phytoremediation.
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The landscape of the Village includes inorganics from the water column through biological processes that include chelation, sedimentation, filtration, biological degradation, adsorption, and phytoremediation.
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In fact, poplars are such effective sieves for harmful organic chemicals that people in the fast-growing " phytoremediation " business have a new name for them.
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Researchers say phytoremediation eventually may transform the way industry and government agencies treat long-term pollution problems, which are estimated to top dlrs 200 billion in the United States.
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"Phytoremediation simultaneously restores soil health and revegeates during the cleansing process, " said co-author Joel G . Burken of the University of Missouri-Rolla.
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The intent is to see if the plants can serve two purposes simultaneously : assist with phytoremediation, and contribute to the economical production of biodiesel and / or ethanol fuel.
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Phytoremediation is useful in these circumstances because natural plants or transgenic plants are able to bioaccumulate these toxins in their above-ground parts, which are then harvested for removal.
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Much research in phytoremediation aims for a better understanding of just how various plants absorb or break down pollutants, as well as better ways to measure the soil improvements they make.
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In the context of phytoremediation, " C . asiatica " is a potential phytoextraction tool owing to its ability to take up and heavy-metal-contaminated soil.
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"Phytoremediation takes more time than some traditional or intensive treatments, but the savings of financial and natural resources can offset the time, " said Kansas State agronomist Paul Schwab.
