Download e-book for iPad: Advances in Nanotechnology and the Environment by Juyoung Kim

By Juyoung Kim

ISBN-10: 9814241555

ISBN-13: 9789814241557

ISBN-10: 9814267600

ISBN-13: 9789814267601

''Nanoparticles and nano-sized fabrics created through nanotechnology (NT) were thought of targeted and sole way to conquer the constraints of alternative applied sciences and widen their functions. even though those fabrics were commonplace in environmental expertise (ET), so much of environmental purposes of nanoparticles have been constrained to the fabrication of nano-sensors for the detection of risky organic

This e-book offers the potential functions of nano-sized fabrics in all environmental methods, delivering the main trustworthy guide for the choice of nanomaterials to enhance the potency of environmental approaches. It makes a speciality of designing particular nanomaterials for environmental methods and toxins. It offers the influence and impression of nanomaterials at the setting and discusses easy methods to stay away from inflicting secondary infection via nanomaterials. The publication offers right information regarding nanomaterials for strength clients who will use and observe nanomaterials in ET.''--Publisher's description. Read more...

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As illustrated in Fig. 6, the lower solubilization efficiency of ACP nanoparticles can be interpreted in terms of microstructural difference between ACP solution and SDS solution. For SDS solution, monomeric SDS molecules can easily contact with crystalline phenanthrene to solubilize phenanthrene and form micelles having phenanthrene within their hydrophobic interior. And SDS micelles can also be broken up to become monomeric SDS molecules and carry out solubilization of phenanthrene. However, for ACP nanoparticles, their micelle-like microstructure is permanently locked-in by cross- 27 28 Enhanced Desorption of PAHs from Aquifer Soil linking polymerization, so solubilization of crystalline phenanthrene by ACP nanoparticles is more difficult compared to SDS molecules.

M. (2004) Lavoratory-scale bioremediation experiments on hydrocarbon-contaminated soils, Int. Biodeterior. , 54, 19–25. , and Copur, M. (2004) Surfactants treatment of crude oil contaminated soils, J. , 276, 456–464. [22] Lee, D. , Cody, R. , Kim, D. , and Choi, S. G. (2002) Effect of soil texture on surfactant-based remediation of hydrophobic organiccontaminated soil, Environ. , 27, 681–688. , and Torres, L. G. (2004) In situ flushing of contaminated soils from a refinery: organic compounds and metal removals, Wiley Interscience, Remediation Spring, 141–152.

This characteristic property of surfactant is called as interfacial activity, which makes it possible to increase the mobility of HOCs in soil matrix and to solubilize HOCs within surfactant micelles. So, the interfacial activity of anionic ACP nanoparticles was measured and compared with anionic surfactant sodium dodecyl sulfate (SDS). Surface tensions of anionic ACP nanoparticle and SDS aqueous solution at various concentrations were determined using a Model 20 surface tensiometer (Fisher Scientific).

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Advances in Nanotechnology and the Environment by Juyoung Kim

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