| 城市污水回用三种处理工艺的选择 |
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| 引用本文： | 徐国勋,陈立.城市污水回用三种处理工艺的选择[J].城市环境与城市生态,1992,5(3):6-10. |
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| 作者姓名： | 徐国勋 陈立 |
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| 作者单位： | 中国市政工程华北设计院
(徐国勋)，中国市政工程华北设计院(陈立) |
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| 摘 要： | 本文针对我国城市二级出水的特点,研究了污水深度处理的三种工艺:絮凝沉淀过滤、微絮凝过滤和直接过滤.装置采用网格反应池、翼片斜板沉淀池、气水同时冲洗粗砂滤池.药剂选用聚合硫酸铁,试验规模120m~3/d.
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| 关 键 词： | 污水处理 絮凝 沉淀 微絮凝 砂过滤 |
THE SELECTIONS OF THREE ADVANCED WASTBWATER TREATMENT TECHNOLOGY FOR REUSING OF MUNICIPAL SEWAGE |
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| Xu Guoxun,ChenLi.THE SELECTIONS OF THREE ADVANCED WASTBWATER TREATMENT TECHNOLOGY FOR REUSING OF MUNICIPAL SEWAGE[J].Urban Environment & Urban Ecology,1992,5(3):6-10. |
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| Authors: | Xu Guoxun ChenLi |
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| Institution: | North China Municipal Engineering Design Institute |
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| Abstract: | In view of the characteristics of the secondary settling effluent of municipal wastewater treatment plant in our country three kinds of advanced wastewater treatment technology including flocculation, sedmentati-on and sand filter and of microflocculation filtration and direct filtration were discussed in this paper. A flocculation tank with screen, a settler fitted with deflectors inclined plote and a coarse sand filter backwash with air and water simultaneously were adopted as the test devices and poly -ferric sulphate was selected as flocculant. The test scale was 120m3/d. |
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| Keywords: | waste water treatment flocculation sedimentation microf locculation sand filter |
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