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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 726-731Nitrate Reduction Using Nanoscale Zero Valent Iron...

Nitrate Reduction Using Nanoscale Zero Valent Iron Supported by Porous Suspended Ceramsite

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Abstract:

Porous suspended ceramsite (PSC) supported nanoscale zero valent iron (NZVI/PSC) were applied to the reductive removal of nitrate to investigate the effects. XRD, SEM and EDS analyses on NZVI/PSC revealed that PSC had loaded some nanoparticles, whose size was about 50 nm. Nitrate reduction rate of NZVI/PSC reached about 80% in 60 min, while the PSC unsupported nanozerovalent iron performed poorly with only 8% removal of the nitrate. Furthmore, during the reactions of NZVI/PSC and PSC with nitrate, for the NZVI/PSC, pH change was the greatest, while the reaction with PSC (this particles shows the lowest reactivity for nitrate reduction) resulted in the least pH change.

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Periodical:

Advanced Materials Research (Volumes 726-731)

Pages:

677-682

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.726-731.677

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Online since:

August 2013

Authors:

Run Hua Liao, Yu Miao, Yan Hong, Yue Ming Li, Zong Yang Shen, Zhu Mei Wang

Keywords:

Nanozerovalent Iron, Nitrate Reduction, Porous Suspended Ceramsite, SEM-EDS

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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