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Received: 2005-03-03

Revision Accepted: 2005-03-25

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Journal of Zhejiang University SCIENCE B 2005 Vol.6 No.6 P.540~542

http://doi.org/10.1631/jzus.2005.B0540


Remediation of Cr(VI) in solution using vitamin C


Author(s):  LIU Yong, XU Xin-hua, HE Ping

Affiliation(s):  Department of Environmental Engineering, Zhejiang University, Hangzhou 310027, China

Corresponding email(s):   xhxu@hzcnc.com

Key Words:  Hexalent chromium, Vitamin C, Reduction


LIU Yong, XU Xin-hua, HE Ping. Remediation of Cr(VI) in solution using vitamin C[J]. Journal of Zhejiang University Science B, 2005, 6(6): 540~542.

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author="LIU Yong, XU Xin-hua, HE Ping",
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year="2005",
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%T Remediation of Cr(VI) in solution using vitamin C
%A LIU Yong
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%J Journal of Zhejiang University SCIENCE B
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%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.2005.B0540

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T1 - Remediation of Cr(VI) in solution using vitamin C
A1 - LIU Yong
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VL - 6
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SP - 540
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PB - Zhejiang University Press & Springer
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DOI - 10.1631/jzus.2005.B0540


Abstract: 
The effectiveness of vitamin C in treating Cr(VI)-contaminated 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.

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article

Reference

[1] Alowitz, M.J., Scherer, M.M., 2002. Kinetics of nitrate, nitrite, and Cr(VI) reduction by iron metal. Environ. Sci. Technol., 36:299-306.

[2] Bowman, R.S., 2003. Applications of surfactant-modified zeolites to environmental remediation. Microporous and Mesoporous Materials, 61:43-56.

[3] Buerge, I.J., Hug, S.J., 1999. Influence of mineral surfaces on chromium(VI) reduction by iron(II). Environ. Sci. Technol., 33:4285-4291.

[4] Chen, J.M., Hao, O.J., 1998. Microbial chromium(VI) reduction. Critical Rev. Environ. Sci. Teechnol., 28:219-251.

[5] Fendorf, S.E., Li, G.C., 1996. Kinetics of chromate reduction by ferrous iron. Environ. Sci. Technol., 30:1614-1617.

[6] Hideaki, Y., Toshiiyuki, Y., Takashi, T., 2002. Adsorption of chromate and Arsenate by amino-functionalized MCM-41 and SBA-1. Chem. Mater., 14:4603-4610.

[7] Powell, R.M., Puls, R.W., 1997. Proton generation by dissolution of intrinsic or augmented aluminosilicate ainerals for in situ contaminant remediation by zero-valence-state iron. Environ. Sci. Technol., 31:2244-2251.

Open peer comments: Debate/Discuss/Question/Opinion

<1>

giordano@s.<giordano.sartoretti@gmail.com>

2014-08-22 21:05:20

It appears to be quite an interesting studies

Giordano@S.<giordano.sartoretti@gmail.com>

2014-08-21 23:55:51

I'm interested in new remediation technologies.

Y.Y. Yanah@CHELTEC<yunusayanah@gmail.com>

2011-02-06 20:50:53

It appears to be quite an interesting studies

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