The amount control index before entering into sewage treatment system is: CODcr 3300 kg/day, BOD5 1650 kg/day, NH3-N 330 kg/day. Therefore, the sewage in Phoenix City must be treated in depth so as to meet the requirement of capacity for development.

• 进入污水处理系统前的总量控制指标为:CODcr 330Okg/日、Boos一650kg/日、NH3一N 330kg/日，因此必须对珠江凤凰城的污水进行深度处理才能满足开发的容量要求。