利用活性氧分子消除污水中的COD
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摘要
采用强电场电离放电制取高浓度的活性氧分子O_2~+和O_3,这些活性氧分子与污水中水反应生成羟基自由基OH,可快速把污水中COD降解成无害的CO_2、H_2O,污水中COD浓度从132 mg/L降至22.6mg/L,COD的去除率达到82.9%,达到回用水质量标准(≤50 mg/L),该方法有助于解决目前污水回用存在的问题。
In this study,a large number of reactive oxygen molecule( O_2~+,O_3) produced by strong ionization discharges reacted with H_2O in the sewage to form OH free radicals. OH could high-effectively and quickly degrade the COD of sewage to CO_2 and H_2O. The COD concentration in sewage was decreased from 132 mg / L to22. 6 mg / L,and the removal rate reached 82. 9%. The COD concentration in sewage after reactive oxygen molecule treatment could meet the water quality standard( ≤50 mg / L),which is helpful to solving the existing technical problems in sewage reuse.
In this study,a large number of reactive oxygen molecule( O_2~+,O_3) produced by strong ionization discharges reacted with H_2O in the sewage to form OH free radicals. OH could high-effectively and quickly degrade the COD of sewage to CO_2 and H_2O. The COD concentration in sewage was decreased from 132 mg / L to22. 6 mg / L,and the removal rate reached 82. 9%. The COD concentration in sewage after reactive oxygen molecule treatment could meet the water quality standard( ≤50 mg / L),which is helpful to solving the existing technical problems in sewage reuse.
引文
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[22]徐新华,赵伟荣.水与废水的臭氧处理.北京:化学工业出版社,2003
[23]白敏菂,白希尧,张芝涛,等.强电场电离放电产生羟基等离子体反应过程的研究.核聚变与等离子体物理,2004,24(3):219-224Bai Mindi,Bai Xiyao,Zhang Zhitao,et al.Study on the plasma reaction process of hydroxyl generation by strong electric field ionization discharge.Nuclear Fusion and Plasma Physics,2004,24(3):219-224(in Chinese)
[24]Bai Mindi,Zhang Zhitao,Bai Mindong.Simultaneous desulfurization and denitrification of flue gas by·OH radicals produced from O+2and water vapor in a duct.Environmental Science&Technology,2012,46(18):10161-10168
[25]孙健,白敏冬,毛程奇,等.单极性带电粒子浓度测试方法的研究.物理学报,2007,56(7):3972-3976Sun Jian,Bai Mindong,Mao Chengqi,et al.Study on measurement of concentration of uni-polarity particles.Acta Physica Sinica,2007,56(7):3972-3976(in Chinese)
[2]马文臣,刘宜利,徐世杰,等.催化氧化法在钻井废水处理中的应用.油气田环境保护,2004,11(1):15-16Ma Wencheng,Liu Yili,Xu Shijie,et al.Application of catalytic oxidation processto drilling wastewater treatment.Environmental Protection of Oil&Gas Fields,2004,11(1):15-16(in Chinese)
[3]王健,李方涛,刘金库,等.Fenton试剂法去除含聚合物铬凝胶采油污水COD的室内研究.油田化学,2007,24(2):167-170Wang Jian,Li Fangtao,Liu Jinku,et al.A study on COD removal in polymer/Cr(Ⅲ)weak gel containing oilfield produced water by using fentonp’s reaction.Oilfield Chemistry,2007,24(2):167-170(in Chinese)
[4]秦芳玲,屈撑囤,刘洋.油田作业废水臭氧化处理技术的实验研究.环境科学与技术,2007,30(2):74-76Qin Fanglin,Qu Chengtun,Liu Yang.Treatment of operation wastewater in oil field by ozonation process.Environmental Science&Technology,2007,30(2):74-76(in Chinese)
[5]王亮,王树众,张钦明,等.含油废水的超临界水氧化反应机理及动力学特性.西安交通大学学报,2006,40(1):115-119Wang Liang,Wang Shuzhong,Zhang Qinming,et al.Reaction mechanism and kinetics of oil-bearing sewage disposal by supercritical water oxidation.Journal of Xi’an Jiaotong University,2006,40(1):115-119(in Chinese)
[6]张文德,徐昆,刘畅,等.水包水聚丙烯酰胺在压裂废水处理中的应用.工业水处理,2010,32(2):79-81Zhang Wende,Xu Kun,Liu Chang,et al.Application of water-in-water polyacrylamide to the treatment of fracturing wastewater.Industrial Water Treatment,2010,32(2):79-81(in Chinese)
[7]蔺爱国,刘培勇,刘刚,等.膜分离技术在油田含油污水处理中的应用研究进展.工业水处理,2006,26(1):5-8Lin Aiguo,Liu Peiyong,Liu Gang,et al.Progress of membrane separation technique in oil-bearing water treatment in oil fields.Industrial Water Treatment,2006,26(1):5-8(in Chinese)
[8]邓波,祝威.生化法处理高温、高盐油田采出水.中国给水排水,2003,19(4):76-78
[9]王云海,况均耀,周喆,等.电化学催化氧化和电吸附脱盐技术处理采油废水.化工进展,2009,28(增刊):117-120
[10]王新强,梁利平,谢娟.絮凝沉降-Na CIO/活性炭氧化-吸附法处理采油污水实验研究.工业水处理,2006,26(12):60-62,92Wang Xinqiang,Liang Liping,Xie Juan.Research on the treatment of wastewater from oil production by flocculation sedimentation-Na Cl O/activated carbon oxidation-adsorption.Industrial Water Treatment,2006,26(12):60-62,92(in Chinese)
[11]王松,曹明伟,丁连民,等.纳米Ti O2处理河南油田压裂废水技术研究.钻井液与完井液,2006,23(4):65-68Wang Song,Cao Mingwei,Ding Lianmin,et al.Fracturing fluid waste liquid disposal by using nanometer Ti O2in He Nan oil field.Drilling Fluid&Completion Fluid,2006,23(4):65-68(in Chinese)
[12]林衍,王丽婷.酸化-内电解-Fenton-混凝法处理钻井废水.给水排水,2009,35(增刊):216-218
[13]刘宏菊,赵奇峰,李璐.高温水解-好氧接触氧化法处理油田污水的研究.水处理技术,2007,33(3):30-32Liu Hongju,Zhao Qifeng,Li Lu.Oilfield sewage treatment by thermophilic hydrolysis-contact oxidation process.Technology of Water Treatment,2007,33(3):30-32(in Chinese)
[14]刘晶冰,燕磊,白文荣,等.高级氧化技术在水处理的研究进展.水处理技术,2011,37(3):11-17Liu Jingbing,Yan Lei,Bai Wenrong,et al.Study progress of water treatment by advanced oxidation processes.Technology of Water Treatment,2011,37(3):11-17(in Chinese)
[15]Staehelin J.,Hoigne J.Decomposition of ozone in water:Rate of initiation by hydroxide ions and hydrogen peroxide.Environmental Science&Technology,1982,16(10):676-681
[16]Glaze W.H.,Kang J.W.,Chapin D.H.The chemistry of water treatment processes involving ozone,hydrogen peroxide and ultraviolet radiation.Ozone:Science&Engineering,1987,9(4):335-352
[17]De Laat J.,Tace E.,Dore M.Degradation of chloroethanes in dilute aqueous solution by H2O2/UV.Water Research,1994,28(12):2507-2519
[18]Paillard H.,Brunet R.,Dore M.Optimal conditions for applying an ozone-hydrogen peroxide oxidizing system.Water Research,1988,22(1):91-103
[19]Shu H.Y.,Huang C.R.Degradation of commercial azo dyes in water using ozonation and UV enhanced ozonation process.Chemosphere,1995,31(8):3813-3825
[20]张文军,王旭,李强.含酚废水处理技术的研究进展.工业用水与废水,2011,42(1):5-7Zhang Wenjun,Wang Xu,Li Qiang.Research progress of phenol-containing wastewater treatment technology.Industrial Water&Wastewater,2011,42(1):5-7(in Chinese)
[21]白敏菂,张芝涛,白敏冬.高级氧化新技术及其防治环境污染应用.北京:化学工业出版社,2012
[22]徐新华,赵伟荣.水与废水的臭氧处理.北京:化学工业出版社,2003
[23]白敏菂,白希尧,张芝涛,等.强电场电离放电产生羟基等离子体反应过程的研究.核聚变与等离子体物理,2004,24(3):219-224Bai Mindi,Bai Xiyao,Zhang Zhitao,et al.Study on the plasma reaction process of hydroxyl generation by strong electric field ionization discharge.Nuclear Fusion and Plasma Physics,2004,24(3):219-224(in Chinese)
[24]Bai Mindi,Zhang Zhitao,Bai Mindong.Simultaneous desulfurization and denitrification of flue gas by·OH radicals produced from O+2and water vapor in a duct.Environmental Science&Technology,2012,46(18):10161-10168
[25]孙健,白敏冬,毛程奇,等.单极性带电粒子浓度测试方法的研究.物理学报,2007,56(7):3972-3976Sun Jian,Bai Mindong,Mao Chengqi,et al.Study on measurement of concentration of uni-polarity particles.Acta Physica Sinica,2007,56(7):3972-3976(in Chinese)