Download Carbon Nanomaterials as Adsorbents for Environmental and by Carlos P. Bergmann, Fernando Machado Machado PDF

By Carlos P. Bergmann, Fernando Machado Machado

This booklet provides a precis of the present use of carbon nanomaterials for water therapy, drug supply, platforms and nanosensors. the 1st bankruptcy elucidates the adsorption procedure phenomenon. additionally, the houses of alternative carbon nanomaterials for adsorption functions are lined. The 3rd bankruptcy offers the kinetic and equilibrium versions of adsorption, processing of experimental facts and adsorption approach peculiarities. Environmental and organic purposes of carbon nanomaterials are indexed within the final bankruptcy. This ebook is written from an application-oriented point of view and comes in handy for all these attracted to nanoadsorbents.

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Extra resources for Carbon Nanomaterials as Adsorbents for Environmental and Biological Applications

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Bi H, Xie X, Yin K et al (2012) Spongy graphene as a highly efficient and recyclable sorbent for oils and organic solvents. Wang YK, Gao ST, Ma JJ, Li JC (2012) Application of graphene as a sorbent for simultaneous preconcentration and determination of trace amounts of cobalt and nickel in environmental water and vegetable samples. Wang Y, Gao S, Zang X, Li J, Ma J (2012) Graphene-based solid phase extraction combined with flame atomic absorption spectrometry for a sensitive determination of trace amounts of lead in environmental water and vegetable samples.

In general, the d orbitals of the transition metal atoms are responsible for relatively higher binding energies, which cause a change of the number of filled d states [107]. However, sometimes even strong adsorption (chemisorption) of some molecules is unable to render dramatic changes in the density of states near the Fermi level [108]. Photoluminescence imaging was already used to image exciton quenching in semiconducting SWCNT [109]. Additionally, depending on changes of Fermi level and DOS near the Fermi level, adsorption of a given molecule can affect the field emission current from CNT tips [110].

2 and SD of the Sips isotherm. This parametric difference worsens the values of Radj More details of the statistical analysis (reduced chi-squared; SD; coefficient of 2 ) will be prodetermination—R2 and Adjusted coefficient of determination—Radj vided later in this chapter after the kinetic models. 4 Liu Isotherm Model The Liu isotherm model [4] is a combination of the Langmuir and Freundlich isotherm models, but the monolayer assumption of Langmuir model and the infinite adsorption assumption that originates from the Freundlich model are discarded.

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