DBD协同负载复合金属氧化物活性炭催化降解甲基橙废水
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- 英文论文题名：Degradation of methyl orange wastewater by DBD combined with granular activated carbon–supported Fe-Mn oxides
- 论文作者：唐首锋 ; 袁德玲 ; 张琦 ; 刘雅蒙 ; 张琦 ; 刘正全 ; 李杰
- 英文论文作者：Tang Shoufeng ; Yuan Deling ; Zhang Qi ; Liu Yameng ; Zhang Qi ; Liu Zhengquan ; Li Jie ; School of Environmental and Chemical Engineering ; Yanshan University ; Institute of Electrostatics and Special Power ; Dalian University of Technology
- 年：2015
- 作者机构：燕山大学环境与化学工程学院;大连理工大学静电与特种电源研究所;
- 论文关键词：介质阻挡放电 ; 活性炭 ; 复合金属氧化物 ; 催化 ; 染料废水
- 英文论文关键词：dielectric barrier discharge ; granular activated carbon ; composite metal oxides ; catalysis ; dye wastewater
- 会议召开时间：2015-08-12
- 会议录名称：静电放电：从地面新技术应用到空间卫星安全防护—中国物理学会第二十届全国静电学术会议论文集
- 语种：中文
- 分类号：X791;O643.36
- 学会代码：WLJD
- 会议名称：静电放电 ; 从地面新技术应用到空间卫星安全防护—中国物理学会第二十届全国静电学术会议
- 会议地点：中国河北石家庄
- 主办单位：中国物理学会静电专业委员会
- 学会名称：中国物理学会静电专业委员会
- 页数：6
- 文件大小：652k
- 原文格式：D
- 会议级别：全国
摘要
为了提高介质阻挡放电(DBD)产生臭氧的利用效率和对甲基橙废水的降解效率,制备负载铁锰复合金属氧化物的活性炭,加入DBD反应器中,建立DBD协同负载型活性炭催化处理废水体系。考察了负载型活性炭投加量、放电电压、废水pH和反应器通气量等因素对甲基橙去除的影响,探讨了DBD协同负载型活性炭催化降解甲基橙废水的机理。研究结果表明,加入负载型活性炭后,相对于单独DBD臭氧处理可显著提高甲基橙的降解效率,以及COD和TOC的去除率,其它放电参数、气体参数及废水参数亦对甲基橙的降解有明显的影响;证明了DBD协同负载炭催化去除甲基橙的主要机理其催化臭氧产生了以·OH自由基为主的强氧化性物质。研究结论证明DBD可与负载型活性炭产生协同催化效应,有效降解甲基橙染料废水,并提升废水中臭氧的利用效率。
To enhance the ozone utilization efficiency generated from Dielectric barrier discharge(DBD)and degradation efficiency of methyl orange(MO)wastewater,the granular activated carbon supported Fe-Mn oxides was prepared and added into DBD reactor,and established the catalytic system of DBD combined with granular activated carbon–supported Fe-Mn oxides(Fe-Mn/AC)for wastewater treatment.The effects of the Fe-Mn/AC dose,discharge voltage,wastewater p H and air flow rate on MO were investigated,and the mechanism of DBD combined with Fe-Mn/AC was discussed.The results showed that the degradation efficiency,COD and TOC removal were improved after added Fe-Mn/AC compared with ozone generated from DBD alone,and also influenced by the other parameters,such as discharge voltage,wastewater p H and air flow rate.It was proved that·OH from ozone catalytic decomposition was the mechanism of MO removal by DBD combined with Fe-Mn/AC.The study demonstrated that the synergistic effect was generated by DBD combined with Fe-Mn/AC,and it could promote the MO degradation and ozone utilization efficiency.
To enhance the ozone utilization efficiency generated from Dielectric barrier discharge(DBD)and degradation efficiency of methyl orange(MO)wastewater,the granular activated carbon supported Fe-Mn oxides was prepared and added into DBD reactor,and established the catalytic system of DBD combined with granular activated carbon–supported Fe-Mn oxides(Fe-Mn/AC)for wastewater treatment.The effects of the Fe-Mn/AC dose,discharge voltage,wastewater p H and air flow rate on MO were investigated,and the mechanism of DBD combined with Fe-Mn/AC was discussed.The results showed that the degradation efficiency,COD and TOC removal were improved after added Fe-Mn/AC compared with ozone generated from DBD alone,and also influenced by the other parameters,such as discharge voltage,wastewater p H and air flow rate.It was proved that·OH from ozone catalytic decomposition was the mechanism of MO removal by DBD combined with Fe-Mn/AC.The study demonstrated that the synergistic effect was generated by DBD combined with Fe-Mn/AC,and it could promote the MO degradation and ozone utilization efficiency.
引文
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[2]Redouane M,Ognier S,Cavadias S,et al.DBD plate-Ti O2treatment of Yellow Tartrazine azo dye solution in falling film[J].Separation and Purification Technology,2013,104:250-255.
[3]Jiang B,Zheng J,Lu X,et al.Degradation of organic dye by pulsed discharge non-thermal plasma technology assisted with modified activated carbon fibers[J].Chemical Engineering Journal,2013,215-216:969-978.
[4]Prola L D T,Acayanka E,Lima E C,et al.Comparison of Jatropha curcas shells in natural form and treated by non-thermal plasma as biosorbents for removal of Reactive Red120 textile dye from aqueous solution[J].Industrial Crops and Products,2013,46:328-340.
[5]Gomes A C,Fernandes L R,Sim?es R M S.Oxidation rates of two textile dyes by ozone:Effect of p H and competitive kinetics[J].Chemical Engineering Journal,2012,189-190:175-181.
[6]Liu S,Huang J,Ye Y,et al.Microwave enhanced Fenton process for the removal of methylene blue from aqueous solution[J].Chemical Engineering Journal,2013,215-216:586-590.
[7]Timchak E,Gitis V.A combined degradation of dyes and inactivation of viruses by UV and UV/H2O2[J].Chemical Engineering Journal,2012,192:164-170.
[8]Li Y,Chen J,Liu J,et al.Activated carbon supported Ti O2-photocatalysis doped with Fe ions for continuous treatment of dye wastewater in a dynamic reactor[J].Journal of Environmental Sciences,2010,22(8):1290-1296.
[9]Garcia-Segura S,Dosta S,Guilemany J M,et al.Solar photoelectrocatalytic degradation of Acid Orange 7 azo dye using a highly stable Ti O2 photoanode synthesized by atmospheric plasma spray[J].Applied Catalysis B,Environmental,2013,133:142-150.
[10]Zhang K J,Gao N Y,Deng Y,et al.Degradation of bisphenol-Ausing ultrasonic irradiation assisted by low-concentration hydrogen peroxide[J].Journal of environmetal sciences-china,2011,23(1):31-36
[11]Tichonovas M,Krugly E,Racys V,et al.Degradation of various textile dyes as wastewater pollutants under dielectric barrier discharge plasma treatment[J].Chemical Engineering Journal,2013,229:9-19.
[12]孙明,郝夏桐,鲁晓辉,等.气液两相脉冲放电反应器的设计及其对酸性橙Ⅱ的降解效果[J].高电压技术.2015,41(2):498-503.SUN Ming,HAO Xiatong,LU.Xiaohui,等.A Reactor Design of Gas-liquid Two-phase Pulse Discharge and Its Performance in Degrading Acid OrangeⅡ[J].High Voltage Engineering.2015,41(2):498-503.
[13]Huang Y,Cui C,Zhang D,et al.Heterogeneous catalytic ozonation of dibutyl phthalate in aqueous solution in the presence of iron-loaded activated carbon[J].Chemosphere,2015,119:295-301.
[14]Heisig C,Zhang W,Oyama S T.Decomposition of ozone using carbon-supported metal oxide catalysts[J].Applied Catalysis B:Environmental,1997,14(1-2):117-129.
[15]Chen C,Wei L,Guo X,et al.Investigation of heavy oil refinery wastewater treatment by integrated ozone and activated carbon-supported manganese oxides[J].Fuel Processing Technology,2014,124:165-173.
[16]Xing L,Xie Y,Cao H,et al.Activated carbon-enhanced ozonation of oxalate attributed to HO oxidation in bulk solution and surface oxidation:Effects of the type and number of basic sites[J].Chemical Engineering Journal,2014,245:71-79.
[17]Lei L,Gu L,Zhang X,et al.Catalytic oxidation of highly concentrated real industrial wastewater by integrated ozone and activated carbon[J].Applied Catalysis A:General,2007,327(2):287-294.
[18]侯世英,曾鹏,孙韬,等.介质阻挡放电在水处理中的影响因素分析[J].高电压技术.2014,40(1):187-193.HOU Shiying,ZENG Peng,SUN Tao,等.Analysis on Influential Factors of Dielectric Barrier Discharge on Water Treatment[J].High Voltage Engineering.2014,40(1):187-193.
[19]商克峰,石峰,韩长民,等.气体参数对沿面放电活性氧物质注入氧化亚硫酸铵的影响[J].高电压技术.2015,41(2):529-533.SHANG Kefeng,SHI Feng,HAN Zhangmin,等.Effect of Air Factors on the Oxidation of Ammonium Sulfite with Reactive Oxygen Species Produced in a Gas-phase Surface Discharge Reactor[J].2015,41(2):529-533.
[20]Srinivasan N R,Shankar.A,Bandyopadhyaya R.Plasma treated activated carbon impregnated with silver nanoparticles for improved antibacterial effect in water disinfection[J].Carbon,2013,57(22):1-10.
[21]Alvárez P M,García-Araya J F,Beltrán F J,et al.The influence of various factors on aqueous ozone decomposition by granular activated carbons and the development of a mechanistic approach[J].Carbon,2006,44(14):3102-3112.
[22]Abdelmalek F,Gharbi S,Benstaali B,et al.Plasmachemical degradation of azo dyes by humid air plasma:Yellow Supranol 4GL,Scarlet Red Nylosan F3 GL and industrial waste[J].Water Research,2004,38(9):2339-2347.
[23]Ghezzar M R,Abdelmalek F,Belhadj M,et al.Gliding arc plasma assisted photocatalytic degradation of anthraquinonic acid green 25 in solution with Ti O2[J].Applied Catalysis B:Environmental,2007,72(3-4):304-313.
[24]Faria P C C,órf O J J M,Pereira M F R.Activated carbon catalytic ozonation of oxamic and oxalic acids[J].Applied Catalysis B:Environmental,2008,79(3):237-243.