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  1. 1 Open Chemistry

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  1. 1 2009

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  1. 1 Bei Y.

  2. 1 Liu Q.

  3. 1 Zhou F.

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Removal of lead(II) from aqueous solution with amino-functionalized nanoscale zero-valent iron

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Liu Q., Bei Y., Zhou F.
Open Chemistry
|
2009
|
vol. 7
|
issue 1
79-82
EN
An effective adsorbent for removal of Pb(II) in aqueous solution was synthesized by reaction of nanoscale zero-valent iron (NZVI) and 3-aminopropyltriethoxysilane (APS). The material was characterized using transmission electron microscopy (TEM), infrared spectroscopy (IR) and a thermogravimetric analyzer (TGA). The amino-coated NZVI rapidly removed Pb(II) from aqueous solution and was easily separated by an external magnetic field. The Freundlich equation was used for investigating the adsorption process of APS-NZVI. Compared to untreated NZVI, the APS-coated NZVI exhibited stronger adsorption affinity and better adsorption performance. Therefore, APS-NZVI may be a suitable material for heavy metal remediation and has potential industrial applications. [...]
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