Day: August 1, 2025

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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

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The composition of industrial wastewater

The composition of industrial wastewater varies significantly by industry, primarily encompassing the following categories: 1) Organic pollutants Common in industries such as petrochemicals, pharmaceuticals, and dyes, these pollutants include phenols, benzene series, polycyclic aromatic hydrocarbons, organic chlorides (such as carbon tetrachloride), and aldehydes (such as formaldehyde). Wastewater from industries such