| 混凝—催化臭氧化处理垃圾渗滤液MBR出水 |
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| 引用本文： | 董清芝,秦航道,陈洪林,史常立,张小明. 混凝—催化臭氧化处理垃圾渗滤液MBR出水[J]. 四川环境, 2014, 0(2): 1-5 |
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| 作者姓名： | 董清芝 秦航道 陈洪林 史常立 张小明 |
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| 作者单位： | [1]中国科学院成都有机化学研究所,成都610041 [2]中国科学院大学,北京100049 |
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| 基金项目： | 四川省青年科技基金（2012JQ0042）. |
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| 摘 要： | 本文研究了混凝—催化臭氧化对垃圾渗滤液MBR出水COD、UV254和色度的去除效果及可生化性能的影响。在pH 11,FeCl3用量800 mg/L的优化条件下,COD、UV254和色度去除率分别为37.8%、61.9%和88.7%。混凝出水催化臭氧化结果表明,3%-Ce/AC催化臭氧化效率最好,COD去除率为33.6%,臭氧消耗系数为1.40 mgO3/mgCOD。经混凝—催化臭氧化处理后,MBR出水的COD、UV254及色度总去除率分别为58.7%、90.8%及98.7%,BOD5/COD从0.036提高到0.375,可生化性明显改善。
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| 关 键 词： | 垃圾渗滤液 MBR出水 混凝 催化臭氧化 |
Treatment of the MBR Effluent of Landfill Leachate by Coagulation-Catalytic Ozonation Process |
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| DONG Qing-zhi,QIN Hang-dao,CHEN Hong-lin,SHI Chang-li,ZHANG Xiao-ming. Treatment of the MBR Effluent of Landfill Leachate by Coagulation-Catalytic Ozonation Process[J]. Sichuan Environment, 2014, 0(2): 1-5 |
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| Authors: | DONG Qing-zhi QIN Hang-dao CHEN Hong-lin SHI Chang-li ZHANG Xiao-ming |
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| Affiliation: | 1. Chengdu Institute of Organic Chemistry, Chinese Academy of Scienees, Chengdu 610041, China; 2. Graduate School of the Chinese Academy of Sciences, Beijing 100049, China) |
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| Abstract: | This paper studied the influence of coagulation-catalytic ozonation process on COD, UV and chroma removal and biodegradability of MBR effluent. Under the optimum coagulation conditions （ 800 mg/L of FeC13 and pH 11.0 ）, COD, UV254 and chroma removal rates were 37.8% , 61.9% and 88. 7% , respectively. The results of catalytic ozonation of coagulation effluent showed that 3%-Ce/AC gave the best ozonation efficiency, with the COD removal rate of 33.6% and 1.40 mgOa/mg COD of ozone-yield coefficient. After coagulation-catalytic ozonation, COD, UV and chroma removal rates were 58. 7%, 90. 8% and 98. 7%, respectively, and BODs/COD increased from 0. 036 to 0. 375, indicating that the biodegradability was significantly enhanced. |
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| Keywords: | andfill leachate MBR effluent coagulation catalytic ozonation |
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