| 臭氧/活性炭联合工艺深度处理焦化废水 |
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| 引用本文： | 杨德敏,袁建梅,夏宏. 臭氧/活性炭联合工艺深度处理焦化废水[J]. 环境工程学报, 2014, 8(9): 3665-3669 |
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| 作者姓名： | 杨德敏 袁建梅 夏宏 |
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| 作者单位： | 1. 外生成矿与矿山环境重庆市重点实验室(重庆地质矿产研究院), 重庆 400042;2. 煤炭资源与安全开采国家重点实验室重庆研究中心, 重庆 400042;3. 西南石油大学化学化工学院, 成都 610500;1. 外生成矿与矿山环境重庆市重点实验室(重庆地质矿产研究院), 重庆 400042;2. 煤炭资源与安全开采国家重点实验室重庆研究中心, 重庆 400042 |
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| 基金项目： | 重庆市应用开发科技项目（cstc2013yykfA20002）；“十二五”国家科技支撑计划项目（2011BAC06B05） |
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| 摘 要： | 采用臭氧/活性炭联合工艺对焦化废水A2/O出水进行深度处理。考察了溶液初始pH值、臭氧投加量、活性炭投加量及使用次数、反应时间对焦化废水处理效果的影响。实验结果表明,活性炭的使用可显著提高臭氧对焦化废水COD的去除率,在溶液初始pH值为10.25、臭氧投加量为7.5 mg/min、活性炭投加量50 g/L、反应时间为30 min条件下,COD去除率达到73.51%。同时,在活性炭重复使用10次时,COD去除率为70.85%,仅降低了2.66%。
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| 关 键 词： | 臭氧氧化 活性炭 深度处理 焦化废水 化学需氧量 |
Advanced treatment of coking wastewater by ozone combined with activated carbon |
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| Yang Demin,Yuan Jianmei and Xia Hong. Advanced treatment of coking wastewater by ozone combined with activated carbon[J]. Techniques and Equipment for Environmental Pollution Control, 2014, 8(9): 3665-3669 |
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| Authors: | Yang Demin Yuan Jianmei Xia Hong |
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| Affiliation: | 1. Chongqing Key Laboratory of Exogenic Mineralization and Mine Environment, Chongqing Institute of Geology and Mineral Resources, Chongqing 400042, China;2. Chongqing Research Center of State Key Laboratory of Coal Resources and Safe Mining, Chongqing 400042, China;3. School of Chemistry and Chemical Engineering, Southwest Petroleum University, Chengdu 610500, China;1. Chongqing Key Laboratory of Exogenic Mineralization and Mine Environment, Chongqing Institute of Geology and Mineral Resources, Chongqing 400042, China;2. Chongqing Research Center of State Key Laboratory of Coal Resources and Safe Mining, Chongqing 400042, China |
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| Abstract: | The ozone process combined with activated carbon was applied for advanced treatment of coking wastewater from A2/O treatment effluent. The effects of initial pH value, ozone dosage, activated carbon dosage and it's using times, and reaction times on the treatment efficiency of coking wastewater were discussed. The results indicated that the combined use of activated carbon could obviously improve the removal rate of COD of coking wastewater. The COD removal rate reached to 73.51% under the conditions (initial pH value of 10.25, ozone dosage of 7.5 mg/min, activated carbon dosage of 50 g/L, and reaction time of 30 min). Meanwhile, the COD removal rate obtained 70.85% when the activated carbon was used 10 times, only declined 2.66%. |
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| Keywords: | ozonation activated carbon advanced treatment coking wastewater chemical oxygen demand |
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