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Toronto's wastewater treatment plants treat wastewater in a 5 step process: [34] [35] Screening; Git removal; Primary treatment; Secondary treatment; Disinfection; During screening, large objects such as rocks and sticks that get washed into the sewer system are removed. Git removal removes smaller objects like tampons, dental floss, and wipes.
A rotating biological contactor or RBC is a biological fixed-film treatment process used in the secondary treatment of wastewater following primary treatment. [1][2][3][4][5] The primary treatment process involves removal of grit, sand and coarse suspended material through a screening process, followed by settling of suspended solids.
The Ashbridges Bay Wastewater Treatment Plant is the city of Toronto 's main sewage treatment facility, and the second largest such plant in Canada after Montreal's Jean-R. Marcotte facility. [1] One of four plants that service the city of Toronto, it treats the wastewater produced by some 1.4 million of the city's residents and has a rated ...
Industrial wastewater treatment describes the processes used for treating wastewater that is produced by industries as an undesirable by-product. After treatment, the treated industrial wastewater (or effluent) may be reused or released to a sanitary sewer or to a surface water in the environment. Some industrial facilities generate wastewater ...
Sewage sludge treatment describes the processes used to manage and dispose of sewage sludge produced during sewage treatment. Sludge treatment is focused on reducing sludge weight and volume to reduce transportation and disposal costs, and on reducing potential health risks of disposal options. Water removal is the primary means of weight and ...
And even when there is adequate waste water treatment, storm water can cause the sewer system to overflow, allowing raw sewage to spill directly into rivers, lakes, and oceans. [25] In 1999, 97% of the Canadian population on sewers received some form of waste water treatment. The remaining 3% of Canadians served by sewage collection systems ...
Ontario Clean Water Agency. The Ontario Clean Water Agency ( OCWA) is a Crown agency of the Government of Ontario that provides operation, maintenance and management services for more than 450 water and wastewater treatment facilities in the province.
Wastewater treatment. Wastewater treatment is a process which removes and eliminates contaminants from wastewater. It thus converts it into an effluent that can be returned to the water cycle. Once back in the water cycle, the effluent creates an acceptable impact on the environment. It is also possible to reuse it.
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