The original contact-oxidition sediment tank of TPCC was modified into anaerobic UASB+AF pretreatment unit, which was used to carry out the production test of PTA waste water treatment.

• 介绍了天津石化公司利用原有接触氧化沉淀池改造为厌氧UASB+AF预处理装置，进行处理PTA废水的生产性试验。