Chemical Industry and Engineering Progree ›› 2012, Vol. 31 ›› Issue (02 ): 458-461.

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Phenolic wastewater treatment by combination of oxidation combined with adsorption and in a gas-liquid-solid three-phase fluidized bed reactor

ZHOU Li 1,2,ZHONG Hong1,YANG Xianghong3   

  1. (1School of Chemistry and Chemical Engineering,Central South University,Changsha 410083,Hunan,China; 2Department of Mechanical Engineering,Hunan Institute of Technology,Hengyang 421002,Hunan,China; 3Department of Equipment Manufacture,Guangdong Zhongshan Torch Polytechnic, Zhongshan 528436,Guangdong,China)
  • Online:2012-02-05 Published:2012-02-05

气液固三相流化床内氧化吸附组合联用处理含酚废水

周  立1,2,钟  宏1,杨湘洪3   

  1. 1中南大学化学化工学院,湖南 长沙 4100832湖南工学院机械工程系,湖南 衡阳 421002
    3广东中山火炬职业技术学院装备制造系,广东 中山 528436

Abstract: The efficiency of Fenton agent combined with macroporous resin H103was examined using phenol as a model compound in simulated wastewater in a gas-liquid fluidized bed.A batch study was conducted to optimize parameters like the pH、temperature、reaction time,velocity and solid holdup governing the process. The experimental results indicated that the phenol removal rate was 95.67% only using the oxidation process at 60 ℃,pH= 4,ventilation volume of 0.12 m3/h,after reaction time of 30 min .the phenol removal rate was 99.52% using the oxidation combined with adsorption process at 30 ℃,pH= 4,the resin solid holdup rate of 4%,ventilation volume of 0.12 m3/h,after reaction time of 25 min. At this point the concentration of phenol was 100 mg/L.

Key words: phenol wastewater, Fenton reagent, macroporous resin, phenol removal rate

摘要: 研究了在气液固三相流化床内使用Fenton 试剂、H103树脂氧化吸附组合联用处理模拟含酚废水的新工艺。探讨了pH值、反应温度、反应时间、气流速度、树脂固含率等因素对苯酚去除率的影响。实验结果表明:在模拟含酚废水pH=4、苯酚质量浓度为100 mg/L、通气量为0.12 m3/h的条件下,当单纯采用氧化法处理,在温度为60 ℃、反应30 min后,苯酚去除率为95.67%;而采用氧化吸附组合法,在温度为 30 ℃、树脂固含率为4%、反应25 min后,苯酚去除率能够达到99.52%。

关键词: 含酚废水, Fenton试剂, 大孔树脂, 苯酚去除率

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