Sewage and wastewater
Sewage (or domestic wastewater) consists of wastewater discharged from residences and from commercial, institutional and public facilities that exist in the locality. Sewage is a … 查看更多內容

Sewage consists primarily of water and usually contains less than one part of solid matter per thousand parts of water. In other words, one can say that sewage is composed of around 99.9% pure water, and the remaining 0.1% are solids, which can be in the … 查看更多內容

The volume of domestic sewage produced per person (or "per capita", abbreviated as "cap") varies with the water consumption in the respective locality. A range of factors influence … 查看更多內容

Sewage is commonly collected and transported in gravity sewers, either in a sanitary sewer or in a combined sewer. The latter also conveys 查看更多內容

The overall appearance of sewage is as follows: The temperature tends to be slightly higher than in drinking water but is more stable than the ambient temperature. The color of fresh sewage is slightly grey, whereas older sewage (also called "septic sewage") is dark … 查看更多內容

Factors that determine composition
The composition of sewage varies with climate, social and economic situation and population … 查看更多內容

General quality indicators
Specific organisms and substances
Sewage can be monitored for both disease-causing … 查看更多內容