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efficiency of CODCr increases with pH increasing from 3 to 5 and decreases with pH increasing from 5 to 8. pH plays an important role in catalyzed oxidation reaction and Fenton’s reagent produces... reaction, and the decreased oxidation efficiency of Fenton’s reagent. Fig.1 Effect of pH on removal efficiency of CODCr (Experimental conditions: FeSO4 (10 mg/L) dosage 5%; CODCr 760 mg/L; H2O2 (2......
:A Ultrasonic preparation and characterization of CeO2 doped with Fe/Al2O3 catalyst in photo-Fenton reaction ZHANG Ya-ping1, 2, WEI Chao-hai1, WU Chao-fei1 (1. School of Environmental Science... the same iron load amount were prepared with and without ultrsonic assitant during the impregnation step to solve the problem of low activity of catalyst in the process of photo-Fenton reaction......
-Fe/Al2O3催化剂制备及性能表征[J]. 中国环境科学, 2006, 26(3): 320-323.ZHANG Ya-ping, WEI Chao-hai, WU Chao-fei, et al. Preparation and characterization of CeO2 doped with Fe/Al2O3 catalyst in photo-Fenton reaction[J]. China... continuous-flow photoreactor with immobilized TiO2 on glass plates[J]. Chemical Engineering Journal, 2007, 127(1/3): 167-176. [18] Fukushima M. The fate of aniline after a photo-Fenton reaction......
catalyst by plasma in photo-Fenton reaction ZHANG Ya-ping1, 2, WEI Chao-hai2, JIANG Tao3, LIN Zheng-zhong1, WU Chao-fei2 (1. Institute of Environmental Engineering, Jimei University, Xiamen 361021... component of catalysts were characterized through SEM, DRS, H2-TPR and XPS analysis, respectively. Activity and stability of catalysts were estimated utilizing photo-Fenton decolorization reaction of medium......
吖啶红荧光法检测Fenton反应产生的羟自由基 臧运波1,张爱梅1 (1.聊城大学,化学化工学院,聊城,252059) 摘要:提出检测Fenton反应产生羟自由基的方法.羟自由基与吖啶红发生反应后,吖啶红的荧光强度减弱,测定其荧光强度的变化,可间接测定羟自由基的产生量.试验结果表明,△F与吖啶红,硫酸铁及过氧化氢呈量效关系,发现抗氧化剂硫脲清除羟自由基作用呈明显的量效关系,方法稳定性好,操作简便,测定快速,测定了几种辛辣性食品的抗氧化性. 关键词:荧光法; 羟自由基; 吖啶红; Fenton反应; [全文内容正在添加中] ......
concentration is 2 000?1. Fenton’s oxidation was carried out in 500 mL Fenton’s reagent in 600 mL flask open to atmosphere. Reaction temperature was controlled at 60 ℃ by water bath (±0.1 ℃). Mixing... In situ synthesis of nanostructured titania film on NiTi shape memory alloy by Fenton’s oxidation method CHU Cheng-lin(储成林)1, HU Tao(胡 涛)1, S. L. Wu2, WANG Ru-meng(王如萌)1, DONG Yin-sheng(董寅生)1......
Different Heterogeneous Fenton Reaction Based on Foam Carrier Loaded with Photocatalysts邱珊,LI Guangming,DENG Fengxia,MA FangState Key Laboratory of Urban Water Resources Center, School of Environment, Harbin Institute of Technology摘 要:The effect of heterogeneous Fenton reaction was studied on methylene blue(MB) and Nitrosomonas europaea(N. europaea......
基于含水层介质中铁的类Fenton技术去除地下水中硝基苯 孙猛,董军,耿方兰,周影,王玮瑜,董莉莉 (吉林大学 地下水资源与环境教育部重点实验室,吉林 长春,130021) 摘要:为了将Fenton氧化技术氧化能力强的优势引入到硝基苯污染地下水的原位化学修复中,通过实验模拟在地下环境温度为8~10 ℃,pH为中性条件下,以含水层介质中铁为催化剂的类Fenton技术去除地下水中硝基苯的过程,比较不...程中HO·的变化可分为3个阶段,即0~30 min的快速生成阶段,30~120 min的生成速率降低阶段和120~240 min的稳定阶段. 关键词:含水层介质；硝基苯；类Fenton；H2O2；浸提 中图分类号:X53 文献标志码:A ......
气液流化床内氧化法处理含酚废水 周立1, 2,钟宏1,李雪萍1 (1. 中南大学 化学化工学院,湖南 长沙,410083； 2. 湖南工学院 机械工程系,湖南 衡阳,421002) 摘要:研究在流化床内使用Fenton试剂氧化处理模拟含酚废水,探讨H2O2和Fe2+的初始浓度,H2O2与Fe2+的摩尔比(n(H2O2)/n(Fe2+)),pH,反应温度,反应时间和通气量等因素对苯酚去除率的影响.确定最佳处理条件为:c(H2O2)=12 mmol/L,n(H2O2)/n(Fe2+)=4:1,pH=4,温度为60 ℃,反应时间为30 min,通气量为0.12 m3/h,在此最佳实验条件下苯酚的去除率可达96%,此时的苯酚质量浓度为100 mg/L. 关键词:含酚废水；Fenton试剂；苯酚去除率；流化床；间歇操作 中图分类号:X703.1 ......
First principles study of Fenton reaction catalyzed by FeOCl:reaction mechanism and location of active siteXuan-Xuan Ji,Hai-Feng Wang,Pei-Jun HuKey Laboratory for Advanced Materials,Research... Engineering,The Queen’s University of Belfast摘 要:Fe-based solid catalysts in promoting Fenton reaction to generate ·OH radical has drawn much attention......
