2007 Volume 1 Issue 11
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Zhou Lei, Nie Yulun, Xu Deping, Wang Dongsheng, Hu Chun. Degradation of fulvic acid by UV/H2O2/Fe-FeOxH2x-3 and UV/H2O2[J]. Chinese Journal of Environmental Engineering, 2007, 1(11): 1-5.
Citation: Zhou Lei, Nie Yulun, Xu Deping, Wang Dongsheng, Hu Chun. Degradation of fulvic acid by UV/H2O2/Fe-FeOxH2x-3 and UV/H2O2[J]. Chinese Journal of Environmental Engineering, 2007, 1(11): 1-5.
shu

Degradation of fulvic acid by UV/H2O2/Fe-FeOxH2x-3 and UV/H2O2

  • Accepted Date: 15/08/2007
    Fund Project:
  • Core-shell Fe-FeOxH2x-3 was prepared by NaBH4 reductive method. The degradation of fulvic acid was investigated by using the system of UV/H2O2 and UV/H2O2 /Fe-FeOxH2x-3. The results indicated that the presence of core-shell Fe-FeOxH2x-3 accelerated the degradation rates of fulvic acid using UV/H2O2, the removal of TOC reached to 84%. The chemical fractionation of fulvic acid was measured by XAD resin adsorption method. Hydrophobic acids (HoA),weakly hydrophobic acids (WHoA) and hydrophobic neutrals (HoN) were reduced after the reaction. And all of them were transformed to the hydrophilic matter (HiM). The physical fractionation of fulvic acid was measured by ultra-filtration method. The change of apparent molecular-weight (MW) distribution of fulvic acid before and after reaction were investigated. The trihalomethane formation potential (THMFP) was declined after the photodegradation of fulvic acid.
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Degradation of fulvic acid by UV/H2O2/Fe-FeOxH2x-3 and UV/H2O2

  • Accepted Date: 15/08/2007
Fund Project:

Abstract: Core-shell Fe-FeOxH2x-3 was prepared by NaBH4 reductive method. The degradation of fulvic acid was investigated by using the system of UV/H2O2 and UV/H2O2 /Fe-FeOxH2x-3. The results indicated that the presence of core-shell Fe-FeOxH2x-3 accelerated the degradation rates of fulvic acid using UV/H2O2, the removal of TOC reached to 84%. The chemical fractionation of fulvic acid was measured by XAD resin adsorption method. Hydrophobic acids (HoA),weakly hydrophobic acids (WHoA) and hydrophobic neutrals (HoN) were reduced after the reaction. And all of them were transformed to the hydrophilic matter (HiM). The physical fractionation of fulvic acid was measured by ultra-filtration method. The change of apparent molecular-weight (MW) distribution of fulvic acid before and after reaction were investigated. The trihalomethane formation potential (THMFP) was declined after the photodegradation of fulvic acid.

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