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连续流催化臭氧氧化降解富里酸及深度处理垃圾渗滤液的效能

DOI: 10.11654/jaes.2013.08.027, PP. 1677-1681

Keywords: 催化臭氧化,钴锰复合氧化物,富里酸,垃圾渗滤液,连续流

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Abstract:

研究了连续流条件下工艺参数对催化臭氧氧化降解富里酸(FA)的影响,并在此基础上考察了催化臭氧氧化深度处理实际垃圾渗滤液的效果。以FA为降解对象,Co-Mn-O为催化剂,研究了水力停留时间、催化剂投量、反应器高径比等因素对富里酸降解的影响,降解效果以TOC或CODCr去除效率表示。半连续流实验结果表明,催化臭氧化比单独臭氧化具有更高的富里酸矿化效率;连续不回流实验结果显示水力停留时间的延长、催化剂投加量的增加、反应器高径比的增大有助于富里酸降解效率的提高,综合考虑运行成本,三者适宜的工艺参数分别为58min、0.5g·L-1和6.5∶1。针对实际垃圾渗滤液尾水,经过去除氯离子和碱度的预处理后,连续回流催化臭氧氧化处理对其CODCr和色度具有良好的去除效果。

References

[1]  闫志明, 普红平, 黄小凤. 垃圾渗滤液的特征及其处理工艺述评[J]. 昆明理工大学学报, 2003, 28(3):128-134.YAN Zhi-ming, PU Hong-ping, HUANG Xiao-feng. Comment on the characteristics of landfill leachate and its processing technology[J]. Journal of Kunming University of Science and Technology, 2003, 28(3):128-134.
[2]  凌 辉, 鲁安怀, 王长秋, 等. 城市垃圾填埋场渗滤液中污染物监测与分析[J]. 中国环境监测, 2012, 28(2):26-32.LING Hui, LU An-huai, WANG Chang-qiu, et al. Detection and analysis of pollutants in municipal landfill leachate[J]. Environmental Monitoring in China, 2012, 2(8):26-32.
[3]  陈少华, 刘俊新. 垃圾渗滤液中有机物分子量的分布及在MBR系统中的变化[J]. 环境化学, 2005, 24(2):153-157.CHEN Shao-hua, LIU Jun-xin. Molecular weight distribution of organic matter in landfill leachate and its variation throughout MBR treatment[J]. Environmental Chemistry, 2005, 24(2):153-157.
[4]  李鸿江, 赵由才, 柴晓利, 等. 矿化垃圾反应床处理垃圾渗滤液出水中的水溶性有机物[J]. 环境污染与防治, 2008, 30(11):4-8.LI Hong-jiang, ZHAO You-cai, CHAI Xiao-li, et al. Research on dissolved organic matter(DOM) in the leachate effluent of aged refuse biofilter[J]. Environmental Pollution & Control, 2008, 30(11):4-8.
[5]  Jacek Nawrocki, Barbara Kasprzyk-Hordern. The efficiency and mechanisms of catalytic ozonation[J]. Applied Catalysis B:Environmental, 2010, 99:27-42.
[6]  沈小星, 陈哲铭, 方 士, 等. 老龄垃圾渗滤液混凝-催化臭氧氧化工艺研究[J]. 浙江大学学报(农业与生命科学版), 2006, 32(4):449-454.SHEN Xiao-xing, CHEN Zhe-ming, FANG Shi, et al. Treatment of stabilized landfill leachate by coagulation-catalytic ozonation processes[J]. Journal of Zhejiang University(Agric & Life Sci), 2006, 32(4):449-454.
[7]  黄国忠, 丁月红, 董晓伟, 等. 活性炭催化臭氧氧化去除水中的腐植酸[J]. 化工环保, 2007, 27(3):200-203.HUANG Guo-zhong, DING Yue-hong, DONG Xiao-wei, et al. Removel of humic acids in water by catalytic ozonation process with activated carbon[J]. Environmental Protection of Chemical Industry, 2007,27(3):200-203.
[8]  王有乐, 杨艳丽, 王玉双, 等. 负载型TiO2催化臭氧化去除腐植酸的实验研究[J]. 环境科学与技术, 2007, 30(11):35-38.WANG You-le, YANG Yan-li, WANG Yu-shuang, et al. Removing humic acid by supported TiO2 catalyzed ozonation[J]. Environment Science and Technology, 2007, 30(11):35-38.
[9]  张 昕, 季 民, 刘卫华, 等. CuO催化臭氧氧化深度处理垃圾渗滤液的研究[J]. 工业水处理, 2008, 28(6):23-26.ZHANG Xin, JI Min, LIU Wei-hua, et al. Reaction conditions of adavanced treatment of landfill leachate by CuO catalysed ozonation process[J]. Industrial Water Treatment, 2008, 28(6):23-26.
[10]  张 昕. 非均相催化臭氧氧化深度处理垃圾渗滤液的研究[D]. 天津:天津大学, 2007.ZHANG Xin. Advanced treatment of landfill leachate by heterogeneous catalytic ozonation oxidation[D]. Tianjin:Tianjin University, 2007.
[11]  周文敏, 符建荣, 肖 华, 等. 水中本底成分对催化臭氧氧化降解富里酸的影响[J]. 农业环境科学学报, 2013, 32(1):191-196.ZHOU Wen-min, FU Jian-rong, XIAO Hua, et al. Effect of background constituents on the degradation of fulvic acid in aqueous solution by catalytic ozonation[J]. Journal of Agro-Environment Science, 2013, 32(1):191-196.

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