Sewage treatment

Wastewater treatment plant in Massachusetts, USA

Simplified process flow diagram for a typical large-scale treatment plant

Process flow diagram for a typical treatment plant via subsurface flow constructed wetlands (SFCW)

Sewage treatment is the process of removing contaminants from wastewater, primarily from household sewage. It includes physical, chemical, and biological processes to remove these contaminants and produce environmentally safe treated wastewater (or treated effluent). A by-product of sewage treatment is usually a semi-solid waste or slurry, called sewage sludge, that has to undergo further treatment before being suitable for disposal or land application.

单词	Wastewater treatment system
释义	Wastewater treatment system 英语百科 Sewage treatment Sewage treatment is the process of removing contaminants from wastewater, primarily from household sewage. It includes physical, chemical, and biological processes to remove these contaminants and produce environmentally safe treated wastewater (or treated effluent). A by-product of sewage treatment is usually a semi-solid waste or slurry, called sewage sludge, that has to undergo further treatment before being suitable for disposal or land application.
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Wastewater treatment system

Sewage treatment