Carrousel氧化沟内特性参数的分布 The distribution of key parameters in Carrousel oxidation

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Carrousel氧化沟内特性参数的分布

The distribution of key parameters in Carrousel oxidation ditch

为提高Carrousel氧化沟的脱氮能力,对长沙第二污水处理厂的Carrousel氧化沟工艺进行了现场测试,研究了氧化沟中流速、溶解氧以及污泥浓度在不同曝气机开启条件下的分布变化特征,并分析了其对同步硝化反硝化过程发生的环境条件的影响.结果表明,流速、溶解氧以及污泥浓度的空间分布特征受曝气机的开启条件影响显著,沟内溶解氧浓度随时间变化较大.开启5台曝气机时,溶解氧和流速均偏高,污泥混合更加均匀,开启3台曝气机时中沟段存在流速过低区域(<0.15m/s);适当降低曝气机开启台数,并根据系统条件变化动态调节,可以为实现氧化沟同步硝化反硝化过程创造较好的工艺条件.水利论文'TEIk3{%Q|

作 者: 刘艳臣 范茏 王志强 陈大方 施汉昌 罗彬 王颖哲 LIU Yan-chen FAN Long WANG Zhi-qiang CHEN Da-fang SHI Han-chang LUO Bin WANG Ying-zhe  
作者单位:刘艳臣,范茏,王志强,施汉昌,LIU Yan-chen,FAN Long,WANG Zhi-qiang,SHI Han-chang(清华大学环境科学与工程系,环境模拟与污染控制国家重点联合实验室,北京,100084)
V?&TZ j*b0陈大方,CHEN Da-fang(中国矿业大学(北京)化学与环境工程学院,北京,100083)水利论文&uP9R9\(}I7r*H D{
罗彬,王颖哲,LUO Bin,WANG Ying-zhe(安徽国祯环保节能科技股份有限公司,安徽,合肥,230088) 
刊 名:中国环境科学  ISTIC PKU
英文刊名:CHINA ENVIRONMENTAL SCIENCE 
年,卷(期):2007 27(6) 
分类号:X703 
关键词:Carrousel氧化沟   溶解氧   流速   污泥浓度   同步硝化反硝化  
机标关键词:氧化沟工艺特性参数空间分布特征曝气机溶解氧浓度硝化过程污泥浓度同步硝化流速污水处理厂随时间变化现场测试条件影响条件变化环境条件工艺条件动态调节变化特征系统脱氮 
基金项目:国家高技术研究发展计划(863计划) 
下一篇:电极生物法强化A/O工艺反硝化及动力学研究 Kinetics study on denitrification intensified by bio-elec
上一篇:气液两相滑动弧等离子体处理甲基紫 Degradation of methyl violet solution by gas-liquid gliding ar
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