Chemicals industry
A range of industries manufacture or use complex organic chemicals. These include pesticides, paints and dyes, petro-chemicals, pharmaceuticals, plastics, detergents, paper pollution, etc. Waste waters can be contaminated by feed-stock materials, by-products, product material in soluble or particulate form, washing and cleaning agents, solvents and added value products such as plasticizers. Treatment facilities that do not need control of their effluent typically opt for a type of aerobic treatment.
Food and beverages industry
Waste water generated from agricultural and food operations has distinctive characteristics that set it apart from common municipal waste water managed by public or private sewage treatment plants throughout the world. It is biodegradable and nontoxic,