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Comparison of Sulfate Radical-advanced Oxidation Process (SR-AOP) and Fenton Oxidation for Advanced Treatment of Papermaking Wastewater
  
DOI:10.11980/j.issn.0254-508X.2013.08.001
Key Words:advanced oxidation process  papermaking wastewater  advanced treatment  sulfate radical  hydroxyl radical  Fenton oxidation process  Sulfate radical-advanced oxidation process
Author NameAffiliation
郭 鑫1 1.华南理工大学轻工与食品学院,广东广州,510640 
马邕文1,2,* 1.华南理工大学轻工与食品学院,广东广州,5106402.华南理工大学环境科学与工程学院,广东广州,510006 
万金泉1,2 1.华南理工大学轻工与食品学院,广东广州,5106402.华南理工大学环境科学与工程学院,广东广州,510006 
黄明智2 2.华南理工大学环境科学与工程学院,广东广州,510006 
王 艳2 2.华南理工大学环境科学与工程学院,广东广州,510006 
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Abstract:Papermaking wastewater advanced treatments by Fenton oxidation or Sulfate radical-advanced oxidation process (SR-AOP) using the ferrous as the catalyst (activator) were compared, and the effect of pH on the degradation efficiency of the wastewater was investigated at room temperature, also the effects of Fe2+ dosage, PS dosage on the CODCr and color removal were studied. The results showed that, the CODCr degradation or color removal at SO-4· oxidation process was equivalent to ·OH oxidation process at pH=3, but higher than Fenton at pH>3; Fenton oxidation process was even sensitive by the influence of Fe2+ dosage or oxidation dosage. Degradation kinetic was analyzed by Origin 8.5 drawing tool, and it indicated that, in the whole process, SR-AOP is reacted more gently than Fenton oxidation process, which indicates that the former is a promising alternative for the treatment of papermaking wastewater.
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