At present,as the majority of nursing homes,resorts,villages,villas and other decentralized living areas are far away from municipal sewer system,it is difficult to transport municipal waste water to city sewage treat...At present,as the majority of nursing homes,resorts,villages,villas and other decentralized living areas are far away from municipal sewer system,it is difficult to transport municipal waste water to city sewage treatment plants for processing.If the large quantity of decentralized wastewater were directly discharged to the rivers,lakes or other receiving water body without treatment,seriously contaminate to surface water and groundwater occurred.展开更多
文摘At present,as the majority of nursing homes,resorts,villages,villas and other decentralized living areas are far away from municipal sewer system,it is difficult to transport municipal waste water to city sewage treatment plants for processing.If the large quantity of decentralized wastewater were directly discharged to the rivers,lakes or other receiving water body without treatment,seriously contaminate to surface water and groundwater occurred.