Advances in Nanotechnology and the Environment by Juyoung Kim

By Juyoung Kim

''Nanoparticles and nano-sized fabrics created via nanotechnology (NT) were thought of special and sole technique to triumph over the constraints of different applied sciences and widen their functions. even though those fabrics were everyday in environmental know-how (ET), such a lot of environmental purposes of nanoparticles have been restricted to the fabrication of nano-sensors for the detection of unstable organic

This ebook provides the prospective functions of nano-sized fabrics in all environmental tactics, delivering the main trustworthy guide for the choice of nanomaterials to enhance the potency of environmental approaches. It specializes in designing particular nanomaterials for environmental techniques and toxins. It provides the effect and impact of nanomaterials at the surroundings and discusses how one can keep away from inflicting secondary illness via nanomaterials. The e-book offers right information regarding nanomaterials for capability clients who will use and practice nanomaterials in ET.''--Publisher's description. Read more...

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Griffiths, R. , and Frederick, R. M. (1994) Washing studies for PCP and creosote contaminated soil, J. Hazard. , 38, 145–161. [9] Deitch, J. , and Smith, J. A. (1995) Effect of Triton X-100 on the rate of trichloroethene desorption form soil to water, Environ. Sci. , 29(4), 1069–1080. [10] Cirelli, D. P. (1978) Pentachlorophenol: Chemistry, Pharmacology and Environmental Toxicity, Plenum Press, New York. , and McMenamy, S. (2006) A comparison of the efficiency of different surfactants for removal of crude oil from contaminated soils, Chemosphere, 62, 1403–1410.

One milliliter of supernatant was withdrawn was transferred into scintillation vials containing 10 mL of Ecolume cocktail, and the concentrations of 14C-phenanthrene in the aqueous phase was measured using an LSC. The results of the experiments are plotted in Fig. 7 as a function of the concentration of ACP nanoparticles or SDS. The Kd values of phenanthrene decrease with an increase of ACP or SDS concentration, indicating that adsorbed phenanthrene on the soil was extracted by ACP nanoparticles or SDS molecules.

8 Extraction efficiency of ACPU nanoparticle solutions and SDS solution: -- ACP64, -- ACP 55, -▲- ACP 28, and -▼-SDS. Reprinted with permission from Ref. [48]. As mentioned earlier, ACP nanoparticles and SDS molecules have very different microstructure in aqueous phase. As illustrated in Fig. 9, on contact with soil matrix, dissolved SDS molecules are easily adsorbed onto soil, and SDS micelles formed by physical association are also breakdown and adsorbed onto soil matrix as a 31 32 Enhanced Desorption of PAHs from Aquifer Soil single molecule.

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