Sewage contains a lot of harmful substances. If discharged directly into the environment, it will cause serious pollution to the environment and affect people's lives. Urban sewage treatment facilities are perfect, which can effectively remove impurities and organic matter. Sewage, then treated and discharged.
Inadequate sewage treatment is one of the reasons that affect the gap between urban and rural life. In order to narrow the gap between urban and rural life, we need to strengthen the construction of domestic sewage treatment facilities, protect the environment, ensure health, and let everyone enjoy a better life.