摘要
本研究针对化学试剂厂难生物降解的有机废水特性,采用好氧生物接触氧化法对废水进行处理,生物膜载体选用中空、柱状聚丙烯填料。结果表明,该填料具有挂膜容易、处理效率高等优点,在溶解氧为4.5mg/L,有机负荷为1.2～1.3kgCOD/m3·d的条件下,COD去除率可达85%以上,处理后出水可达到我国污水综合排放二级标准。在此基础上,建立了废水处理的动力学数学模型。
Aiming at the refractory organic wastewater from chemical reagent factory, the characteristics of the wastewater was analyzed and aerobic submerged bio-membrane reactor was adopted to treat the wastewater. A hollow column packing was chosen for bio-membrane media. The data indicated that, this kind of bio-membrane media had many advantages, such as high treatment efficiency and easy bio-membrane growth etc. Under the suitable condition, such as proper dissolved oxygen (4.5mg/L) and organic loading (1.2～1.3 kgCOD/m3·d), COD removal could reach to 85% or more, and the quality of effluent after treatment could reach the second level of 'State Integrated Wastewater Discharge Standard' (GB8978-1996). On this basis, the dynamic mathematical model of wastewater treatment was established.
出处
《水处理技术》
CAS
CSCD
北大核心
2005年第7期20-24,共5页
Technology of Water Treatment
基金
天津市青年科学基金资助项目(973705411)
关键词
生物接触氧化
化学试剂厂
难降解
有机废水
填料
溶解氧
有机负荷
数学模型
submerged bio-membrane reactor
chemical reagent factory
refractory
organic wastewater
bio-membrane packing
dissolved oxygen
organic loading
mathematical model
