First, the nature is different.
1, sewage
Sewage refers to the water discharged from life and production that is polluted to a certain extent. Water that loses its original function is called sewage for short.
2. Waste water
Waste water refers to the water discharged during residents' activities and runoff rainwater.
Second, it includes differences.
1, sewage
Domestic sewage, industrial wastewater and initial rainwater.
2. Waste water
Including domestic sewage, industrial wastewater and initial rainwater runoff into drainage pipes and other non-water uses.
Third, the characteristics are different.
1, sewage
The water used in life contains more organic matter and is easy to handle.
2. Waste water
After a certain technical treatment, it can not be recycled, or after a pollution, it is difficult to produce pure water that can not meet a certain standard.
Baidu encyclopedia-sewage
Baidu encyclopedia-wastewater