Column Study on the Effect of Nitrate and Chloride on TCE Removal by Granular Iron

Xue Qiang Zhu; Bao Ping Han; Guo Jun Wu; Xiao Qing Zhang

doi:10.4028/www.scientific.net/AMR.356-360.1642

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 356-360Column Study on the Effect of Nitrate and Chloride...

Column Study on the Effect of Nitrate and Chloride on TCE Removal by Granular Iron

Abstract:

The effects of individual inorganic anions (nitrate and chloride) on the reactivity of granular iron were investigated using plexiglass columns packed with granular iron. The results show that TCE removal decreases apparently with increasing nitrate concentration due to competition for reactive sites. Chloride exhibits dual-effect on the TCE removal by Fe0. In the studied condition, the TCE dechlorination is enhanced at the low chloride concentration due to pitting corrosion and is dampened at the high chloride concentrations such as 59.98 and 110.45 mg/L as Cl-.

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Periodical:

Advanced Materials Research (Volumes 356-360)

Pages:

1642-1646

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.356-360.1642

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Online since:

October 2011

Authors:

Xue Qiang Zhu, Bao Ping Han, Guo Jun Wu, Xiao Qing Zhang

Keywords:

Chloride, Granular Iron, Nitrate, TCE

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