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[Study on two stage immerged biological film wastewater treatment reactor]
Gang Tian1, Shaofan Zhang, Beibei Lü
1Beijing Municipal Research Institute of Environment Protection Science, Beijing 100037, China. tg-iep@vip.163.com
Huan Jing Ke Xue= Huanjing Kexue
|June 13, 2003
Abstract:
The two stage immerged biological film wastewater treatment reactor was studied in different organic loads. The organic removal efficiency of each stage, filter capability and technical contrast between one stage reactor and two stages reactor were discussed. The results showed that the distribution ratio of organic removal were 76% and 24% in first and second stage reactors respectively, COD removal efficiency was 42% in sand filter unit, and the two stage reactor was more effective and reliable than one stage reactor in the same organic loads.