Waste water treatment
Sewage treatment is the process of removing contaminants from wastewater and household sewage, both effluents and domestic. It includes physical, chemical, and biological processes to remove physical, chemical and biological contaminants.Its objective is to produce an environmentally safe fluid waste stream and a solid waste suitable for disposal or reuse.The objective of sewage treatment is to produce a disposable effluent without causing harm to the surrounding environment, and prevent pollution.