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- W2372980629 abstract "FeSO4 and H2O2 were used to decrease CODCr in silicon steel passivating wastewater with the reducibility of Fe(Ⅱ) and the catalysis-oxidation properties of Fenton reagent formed by Fe(Ⅱ) and H2O2 in acidic medium,to avoid the problem met in NaHSO3 treatment with Cr6+,CODCr exceeding the discharge standard.The appropriate parameters were as follows: n(Fe2+)∶n(H2O2)=1∶2,n(Fe2+)∶n(Cr6+)=5.2∶1,pH 3-4,temperature 15-35 ℃.Under these conditions,the removal rate of Cr(Ⅵ) and CODCr was 99.99% and 98.11% respectively,the Cr(Ⅵ) and CODCr of the influent reduced from 2 959 mg/L and 1 351 mg/L to 0.421 mg/L and 25.6 mg/L respectively,and the effluent concentration achieved 1-class in Steel Industrial Water Pollutant Discharge Standard(GB 13456—92)." @default.
- W2372980629 created "2016-06-24" @default.
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- W2372980629 date "2010-01-01" @default.
- W2372980629 modified "2023-09-26" @default.
- W2372980629 title "Experimental Research on the Treatment of Silicon Steel Wastewater With FeSO_4/H_2O_2" @default.
- W2372980629 hasPublicationYear "2010" @default.
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