Conventional wastewater treatment refers to various methods of treating different categories of wastewater, and may include any of the following:
Sewage treatment – treatment and disposal of human waste. Industrial wastewater treatment – the treatment of wet wastes from manufacturing industry and commerce including mining, quarrying and heavy industries. Agricultural wastewater treatment – treatment and disposal of liquid animal waste, pesticide residues etc. from agriculture. Radioactive waste treatment – the treatment and containment of radioactive waste.
See also Waste management – re-use, recycling and disposal of solid waste from manufacturing, commerce and domestic sources.