普通活性污泥法改为A^2/O工艺运行实践

Operational Practice on Changing Common Activated Sludge Process for A^2 /O Process

介绍西安市污水处理厂改扩建工程中生物处理系统改造前、后的工艺。改造前处理规模为12×104m3/d,采用二级生物处理。改造后处理规模为16×104m3/d,采用丹麦克鲁格公司A2/O工艺和设备,为二级生物处理,其出水可作为工业回用水和市政杂水用。该文还具体介绍了A2/O工艺运行情况及存在的问题。

Introduced hereby are processes of biological treatment system before & after the reconstruction in Xi'an Sewage Treatment Plant, operational state of A2/O process and the existing problems.