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Electro-Fenton Procress for Advanced Treatment of Papermaking Wastewater
Received:November 11, 2019  
DOI：10.11980/j.issn.0254-508X.2019.12.014
Key Words:electro-Fenton  papermaking wastewater  advanced treatment  removal rate
Fund Project:河南省高等学校重点科研项目《河南省臭氧复合型污染形成机制及防控策略研究》 20A610008 河南省高等学校重点科研项目《河南省臭氧复合型污染形成机制及防控策略研究》（20A610008）。
Author NameAffiliationPostcode
CHEN Xuehua College of Architecture and Civil Engineering，Shangqiu College， Shangqiu， He’nan Province， 476000 476000
XU Huidao Department of Surveying and Planning，Shangqiu Normal University， Shangqiu， He’nan Province， 476000 476000
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Abstract:The electro-Fenton method was used for advanced treatment of papermaking wastewater．The paper investigated the effect of different factors on treatment result to determine the optimum conditions，the chroma and COD removal rate were chosen as the evaluation indexs．The result suggested that the optimum conditions were as the follows: reaction time 120 min, initial pH value 3, electrolysis voltage of 12 V, Fe2+ concentration 0.8 mmol /L, H2O2 concentration 0.8 mmol/L, plate space 10 cm, Na2SO4 dosage 6 g/L, the chroma and CODCr removal rate were 89.5% and 68.4% respectively under the conditions.Kinetic analysis showed that the papermaking wastewater degradation curve of CODCr consisted with the first-order reaction kinetic characteristics and the value of the kinetic constant was 0.2072 min-1.
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