
Domestic sewage primarily consists of wastewater
Domestic sewage primarily consists of wastewater generated by households, businesses, and urban facilities, and contains the following components: 1) Organic pollutants These include proteins, fats, carbohydrates (such as cellulose, starch, and sugars), and urea, which are prone to producing foul odors under anaerobic conditions. 2) Inorganic pollutants These include elements