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曝气生物滤池(biological aerated filter)简称BAF,是20世纪80年代末90年代初在普通生物滤池的基础上,并借鉴给水滤池工艺而开发的污水处理新工艺,最初用于污水的三级处理,后发展成为直接用于二级处理。[1]随着人们环保意识的增强,国家关于工业企业污水达标排放标准进一步提高,因此传统污水处理生产工艺很难满足达标及中水回用要求,为此中国石油股份有限公司抚顺石化分公司石油二厂对厂区所属的污水处理单元进行了新标准达标改造工程,增设了BAF处理工艺。
Biological aerated filter (BAF) is a new wastewater treatment technology developed on the basis of ordinary biological filter in the late 1980’s and early 1990’s and drawing on the technology of water filter. It was originally used in wastewater treatment Three levels of treatment, after the development has become directly used for secondary treatment. [1] As people’s awareness of environmental protection, the state on industrial enterprises to meet the discharge standards for sewage standards to further improve, so the traditional sewage treatment production technology is difficult to meet the standards and water reuse requirements, thus PetroChina Fushun Petrochemical Co., Ltd. Branch The Second Plant of Petroleum has carried out the standard renovation project of the new standard to the sewage treatment unit belonging to the factory and added the BAF treatment process.