超重力环境下O3/Fenton法处理含硝基苯废水

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杨鹏飞，刘瑛，焦纬洲*，刘有智

中北大学超重力化工过程山西省重点实验室，山西省超重力化工工程技术研究中心，山西太原 030051

收稿日期:2017-09-21修回日期:2017-12-07出版日期:2018-08-22发布日期:2018-08-15
通讯作者:焦纬洲

基金资助:国家自然科学基金青年项目;山西省优秀人才科技创新项目

Treatment of nitrobenzene-containing wastewater by O₃/Fenton in high gravity

Pengfei YANG, Ying LIU, Weizhou JIAO*, Youzhi LIU

Research Center of Shanxi Province for High Gravity Chemical Engineering and Technology, Shanxi Province Key Laboratory of
Higee-oriented Chemical Engineering, North University of China, Taiyuan, Shanxi 030051, China

Received:2017-09-21Revised:2017-12-07Online:2018-08-22Published:2018-08-15
Contact:JIAO Wei-zhou

摘要/Abstract

摘要： 在旋转填充床(RPB)中超重力环境下采用O3/Fenton法处理含硝基苯废水，考察了Fenton试剂投加次数、超重力因子β、液体流量、初始pH值、Fe2+投加量、H2O2与Fe2+摩尔比对硝基苯去除率的影响. 结果表明，在硝基苯浓度175 mg/L、反应温度25℃、气体流量75 L/h、臭氧浓度40 mg/L、分3次投加Fenton试剂、溶液初始pH值4.5、超重力因子β=80、液体流量140 L/h和Fe2+总投加量1 mmol/L、摩尔比H2O2:Fe2+=5、循环处理40 min的条件下，硝基苯去除率和化学需氧量(COD)去除率分别为99.6%和87.6%. 相近条件下，与RPB-Fenton法相比，硝基苯去除率和COD去除率分别提高了36.3%和4.5%，与RPB-O3法相比分别提高了7.2%和47.1%，与BR(鼓泡反应器)-O3/Fenton法相比分别提高了11.3%和47.8%.

引用本文

杨鹏飞刘瑛焦纬洲刘有智. 超重力环境下O₃/Fenton法处理含硝基苯废水[J]. 过程工程学报, 2018, 18(4): 728-734.
Pengfei YANG Ying LIU Weizhou JIAO Youzhi LIU. Treatment of nitrobenzene-containing wastewater by O₃/Fenton in high gravity[J]. Chin. J. Process Eng., 2018, 18(4): 728-734.

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