| 1 | How do you manage sewage? | |
| 2 | Drained sewage includes production sewage and living sewage. | |
| 3 | This paper introduces an example of wastewater treatment engineering design by using CASS. | |
| 4 | The application of CASS process in treating and reusing domestic wastewater is presented. | |
| 5 | Production and living wastewater of the substations shall meet national or local discharge standards. |