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改良型Carrousel氧化沟工艺生物脱氮除磷效果研究
引用本文:彭永臻,侯红勋,乔海兵,王少坡. 改良型Carrousel氧化沟工艺生物脱氮除磷效果研究[J]. 环境工程学报, 2006, 7(12): 42-45
作者姓名:彭永臻  侯红勋  乔海兵  王少坡
作者单位:北京工业大学北京市水质科学与水环境恢复工程重点实验室,北京,100022;北京工业大学北京市水质科学与水环境恢复工程重点实验室,北京,100022;北京工业大学北京市水质科学与水环境恢复工程重点实验室,北京,100022;北京工业大学北京市水质科学与水环境恢复工程重点实验室,北京,100022
基金项目:国家自然科学基金 , 北京市属市管高校人才强教计划项目 , 北京工业大学校科研和教改项目
摘    要:为了提高改良型Carrousel氧化沟工艺污水处理厂的脱氮除磷效果,结合某污水处理厂3年的运行实践,讨论了该工艺的处理效果,生物脱氮除磷原理及影响出水效果的因素.分析表明将DO控制在0.3~0.7 mg/L范围内,能够使出水中的TN浓度低于20 mg/L;在氧化沟中发生的同步硝化反硝化反应(SND)对总氮的去除的贡献占总系统脱氮的66%;该系统剩余污泥的含磷率为3.0%,生物细胞中平均含磷量可达细胞干重的4.2%;总磷去除率与污泥龄具有很好的线性关系,加大污泥排放量可以提高除磷效果.

关 键 词:Carrousel  氧化沟  生物脱氮  生物除磷
文章编号:1008-9241(2006)12-0042-04
修稿时间:2005-07-29

Study on nitrogen and phosphorus removal effect by modified Carrousel oxidation ditch process
Peng Yongzhen,Hou Hongxun,Qiao Haibing,Wang Shaopo. Study on nitrogen and phosphorus removal effect by modified Carrousel oxidation ditch process[J]. Techniques and Equipment for Environmental Pollution Control, 2006, 7(12): 42-45
Authors:Peng Yongzhen  Hou Hongxun  Qiao Haibing  Wang Shaopo
Abstract:In order to enhance the bio-nitrogen and phosphorus removal of the modified Carrousel oxidation ditch(OD) process,the treatment performance,the principle of bio-nitrogen and bio-phosphorus removal have been discussed,at the same time the influencing factors to the effluent quality have been analyzed from the operation practice for 3 years.Total nitrogen effluent was low than 20 mg/L if the dissolved oxygen could be controlled in the range of 0.3~0.7 mg/L in the oxidation ditch.Simultaneous nitrification and denitrification was found in the OD process.Generally the contribution to total nitrogen removal of SND was about 66%.The phosphorus content of the return activated sludge was 3.0%,and the average phosphorus content in the bio-cell was 4.2%.TP removal rate had a linear relation with SRT,the TP removal performance would be enhanced if the SRT can be decreased to some extent.
Keywords:Carrousel  oxidation ditch  biological nitrogen removal  biological phosphorus removal
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