| 三层滤料高速过滤应用于再生水生产的研究 |
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| 引用本文： | 王辰妮,孙力平,向传宝.三层滤料高速过滤应用于再生水生产的研究[J].环境工程,2012,30(3):25-27. |
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| 作者姓名： | 王辰妮 孙力平 向传宝 |
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| 作者单位： | 天津城市建设学院环境与市政工程系 天津市水质科学与技术重点实验室 |
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| 基金项目： | 国家水体污染控制与治理科技重大专项(2009ZX07419) |
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| 摘 要： | 试验在传统混凝—沉淀—三层滤料过滤工艺的基础上,通过对滤料级配的改进,将三层滤料高速过滤工艺应用于再生水的生产,对其可行性进行分析研究。结果表明:在最佳工艺条件下出水浊度的去除率可达97.5%～98.5%,COD去除率在43%左右。同时研究发现,在高速过滤条件下,通过絮凝剂在滤床中发挥的微絮凝作用,可以起到良好的除污效果且出水水质稳定。
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| 关 键 词： | 三层滤料 微絮凝 高速过滤 再生水 |
STUDY ON THE TRIPLE MEDIA FILTER-HIGH SPEED FILTRATION PROCESS FOR THE PRODUCTION OF RECYCLED WATER |
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| Wang Chenni Sun Liping Xiang Chuanbao.STUDY ON THE TRIPLE MEDIA FILTER-HIGH SPEED FILTRATION PROCESS FOR THE PRODUCTION OF RECYCLED WATER[J].Environmental Engineering,2012,30(3):25-27. |
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| Authors: | Wang Chenni Sun Liping Xiang Chuanbao |
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| Institution: | Wang Chenni Sun Liping Xiang Chuanbao(Tianjin Key Laboratory of Water Quality Science and Technology,Department of Environmental and Municipal Engineering, Tianjin Institute of Urban Construction,Tianjin 300384,China) |
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| Abstract: | The test is,on the basis of traditional coagulation—sedimentation—triple media filtration technique,through the improvement of the gradation,studying the feasibility of triple media filtration technique used in the micro flocculation-high-speed filtration of the recycled water production.The results show that in the optimum conditions,effluent turbidity removal rate can be up to 97.5%～98.5%,and COD removal rate is 43 %.The study found that in the conditions of high-speed filteration,through the effect of the micro flocculation with the flocculant playing the role of flocculation in filter bed,good decontamination effect can be got and the effluent quality is stable. |
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| Keywords: | triple media filter micro-flocculation high-speed filtration recycled water |
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