氧化沟工艺在污水处理中的应用与发展

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摘要: 本文主要阐述了Carrousel氧化沟的结构、工艺机理、运行过程中存在的问题和相应的解决方法。最后,介绍了Carrousel氧化沟的最新的研究进展并指出了未来的主要研究方向。
关键词: Carrousel 氧化沟 除磷脱氮 结构 机理

Application and Development of Carrousel Oxidation Ditch Process on Wastewater Treatment
Abstract: The structure and the techniques of carrousel oxidation ditch process on nitrogen and phosphor removal are introduced in this paper. The problems in running and their corresponding resolvent are also pointed. At last, The author showed the up to date research improvement and the mainly future research direction.
Key words: Carrousel; oxidation ditch; nitrogen and phosphor removal; structure;techniques

1. 前言
氧化沟(oxidation ditch)又名连续循环曝气池(Continuous loop reactor),是活性污泥法的一种变形。氧化沟污水处理工艺是在20世纪50年代由荷兰卫生工程研究所研制成功的。自从1954年在荷兰的首次投入使用以来。由于其出水水质好、运行稳定、管理方便等技术特点,已经在国内外广泛的应用于生活污水和工业污水的治理[1]。
目前应用较为广泛的氧化沟类型包括:帕斯韦尔(Pasveer)氧化沟、卡鲁塞尔(Carrousel)氧化沟 、奥尔伯(Orbal)氧化沟、T型氧化沟(三沟式氧化沟)、DE型氧化沟和一体化氧化沟。这些氧化沟由于在结构和运行上存在差异,因此各具特点[2]。本文将主要介绍Carrousel氧化沟的结构、机理、存在的问题及其最新发展。

1. Foreword
Oxidize the ditch( oxidation ditch) again a continuous circulation spirit pond( Continuous loop reactor), is a live and dirty mire method a kind of to transform.Oxidizing the dirty water in ditch handles the craft be researched to manufacture by the hygiene engineering graduate school of Holland in the 50's of 20 centuries success.Since in 1954 at Dutch throw in the usage for the very first time.Because its a water fluid matter good, circulate the stability and manage convenience etc. technique characteristics, already at domestic and international and extensive application in live the dirty water to is dirty to manage aqueously with the industry[1].

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