Phytoremediation: Transformation and Control of Contaminants by Steven C. McCutcheon, Jerald L. Schnoor

By Steven C. McCutcheon, Jerald L. Schnoor

Phytormediation is an exhilarating new strategy for controlling and cleansing up dangerous wastes utilizing eco-friendly vegetation. This e-book is the 1st to assemble the nation of the technology and engineering arts during this speedily advancing box. Phytormediation: ways the topic from the views of biochemistry, genetics, toxicology, and pathway analysis.Is written via of the most appropriate specialists within the box.

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Extra info for Phytoremediation: Transformation and Control of Contaminants (Environmental Science and Technology: A Wiley-Interscience Series of Texts and Monographs)

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Communities may include free-floating, submergent, and emergent plants. ) are used. Introduction of nuisance species that may grow without bound is a significant design challenge. S. federal sites. 9 meters or 1 to 3 feet deep) that contains porous media (rock or gravel) to support roots and biofilms. Wastewater flow normally remains below the upper surface of the rock or gravel media; therefore all the plants in these treatment wetlands are emergent varieties. In both types of wetlands, microorganisms are thought to be responsible for waste treatment (perhaps because aquatic plant metabolism has not been fully explored).

Water velvet (Azolla pinnata), and water milfoil (Myriophyllum spicatum). Alga families that involve good biosorbents include Chlorella, Anabaena, Chlamydomonas, Cladophora, Nostoc, Spirogyra, Vaucheria, Chroococcus, and several other families. Except for the work of Todd and Josephson (1996) and of Wolverton and Wolverton (2001), the lack of economical culturing and harvesting methods and difficulty in getting concentrated biomass in contact with contaminated waters seem to have prevented pilot and full-scale testing (Dushenkov and Kapulnik 2000).

The Figure 1-1 Periodic table of elements for which phytoextraction (Mclntyre this book), rhizofiltration (Brooks 1998), phytostabilization, and phytovolatilization may be possible cleanup options. Note that some elements have not been evaluated to determine if some type of phytoremediation is a feasible cleanup option. Selenium and arsenic are also subject to phytoextraction and hyperaccumulation by some plants. All elements that can be hyperaccumulated should be subject to cleanup using phytoextraction.

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