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Remediation of Cr(VI) in solution using vitamin C

  • Environmental Sciences
  • Science Letters
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Abstract

The effectiveness of vitamin C in treating Cr(VI)-contaiminated water is being evaluated. Cr(VI) is an identified pollutant of some soils and groundwater. Vitamin C, an important biological reductant in humans and animals, can be used to transform Cr(VI) to essentially nontoxic Cr(III). The removal efficiency was 89% when the mass concentration of vitamin C was 80 mg/L in 60 min, and nearly 100% Cr(VI) was removed when the mass concentration was 100 mg/L. Our data demonstrated that the removal efficiency was affected by vitamin C concentration, the reaction temperature and the dissolved oxygen concentration. The reaction mechanism of Cr(VI) by vitamin C was presented. Our study opens the way to use vitamin C to remediate Cr(VI)-contaminated soils and groundwater.

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Authors and Affiliations

  1. Department of Environmental Engineering, Zhejiang University, 310027, Hangzhou, China

    Liu Yong, Xin-hua Xu & Ping He

Authors
  1. Liu Yong
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  2. Xin-hua Xu
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  3. Ping He
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Corresponding author

Correspondence to Xin-hua Xu.

Additional information

Project (No. 20407015) supported by the National Natural Science Foundation of China

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Liu, Y., Xu, Xh. & He, P. Remediation of Cr(VI) in solution using vitamin C. J Zheijang Univ Sci B 6, 540–542 (2005). https://doi.org/10.1631/jzus.2005.B0540

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  • DOI: https://doi.org/10.1631/jzus.2005.B0540

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