| 诱导结晶反应器回收富磷上清液中磷的研究 |
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| 引用本文： | 李佳凤,吕锡武,徐微,蒋彬.诱导结晶反应器回收富磷上清液中磷的研究[J].中国给水排水,2010,26(1). |
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| 作者姓名： | 李佳凤 吕锡武 徐微 蒋彬 |
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| 作者单位： | 东南大学,能源与环境学院,江苏南京,210096 |
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| 基金项目： | 江苏省科技厅太湖水专项(BS2007114);;江苏省科技支撑计划项目(BS2008667);;教育部科研重大项目(308010) |
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| 摘 要： | 设计了诱导结晶反应器并进行了回收磷的试验,研究了进水流速、曝气量和晶种投加量对反应器运行的影响。结果表明:结晶反应器内的流态接近完全混合流态,采用底部加药的方式对反应器除磷效果的影响较小;在进水流量为3～15 L/h的条件下,适宜的曝气量为500 L/h,最佳晶种投加量为62.5 g/L,反应器的除磷率可达45%以上。
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| 关 键 词： | 磷回收 诱导结晶 流态化结晶反应器 |
Study on Operation Parameters of Fluidized Induced Crystallizer for Phosphorus Recovery |
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| LI Jia-feng,LV Xi-wu,XU Wei,JIANG Bin.Study on Operation Parameters of Fluidized Induced Crystallizer for Phosphorus Recovery[J].China Water & Wastewater,2010,26(1). |
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| Authors: | LI Jia-feng LV Xi-wu XU Wei JIANG Bin |
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| Affiliation: | School of Energy and Environment;Southeast University;Nanjing 210096;China |
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| Abstract: | An induced crystallizer was designed to recover phosphorus from phosphorus-rich supernatant.Operation parameters of the fluidized induced crystallizer such as inlet velocity,aeration rate and seed load were investigated.The results show a mixing flow pattern in the crystallizer,which suggests that injecting precipitant from the bottom of the crystallizer has little effect on phosphorus removal.The suitable experimental conditions are: the influent flow is 3 to 15 L/h,the aeration rate is 500 L/h,and the see... |
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| Keywords: | phosphorus recovery induced crystallization fluidized crystallizer |
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