The term "sewage recycling environmental engineering" comes from "Environmental Engineering Terminology" Environmental Protection Standard of the People's Republic of China HJ 2016-2012.
Definition: The general term for wastewater recovery, regeneration and utilization, including the whole process of wastewater purification and reuse, to achieve water cycle.
Sewage recycling is a general term for wastewater reclamation, regeneration and utilization, including the whole process of wastewater purification and reuse to achieve water cycle.
Water resources are inherently renewable. Urban sewage is a potential water resource with stable water supply and reliable supply. Therefore, the recycling of urban sewage is one of the effective ways to increase revenue and reduce expenditure, reduce water pollution, improve the ecological environment, and solve urban water shortage.