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  2. Blue Plains Advanced Wastewater Treatment Plant - Wikipedia

    en.wikipedia.org/wiki/Blue_Plains_Advanced...

    The commission began to install sewer connections from its service area to the Blue Plains plant in the late 1930s and 1940s. [10] [11] WSSC had built its own sewage treatment plant in Bladensburg, Maryland in the 1940s. In the early 1950s WSSC reached agreement with the District of Columbia government to connect the Bladensburg area to Blue ...

  3. Sewage treatment - Wikipedia

    en.wikipedia.org/wiki/Sewage_treatment

    Sewage treatment (or domestic wastewater treatment, municipal wastewater treatment) is a type of wastewater treatment which aims to remove contaminants from sewage to produce an effluent that is suitable to discharge to the surrounding environment or an intended reuse application, thereby preventing water pollution from raw sewage discharges. [ 2]

  4. Rotating biological contactor - Wikipedia

    en.wikipedia.org/wiki/Rotating_biological_contactor

    A rotating biological contactor is a type of secondary (biological) treatment process. It consists of a series of closely spaced, parallel discs mounted on a rotating shaft which is supported just above the surface of the wastewater. Microorganisms grow on the surface of the discs where biological degradation of the wastewater pollutants takes ...

  5. Wastewater treatment - Wikipedia

    en.wikipedia.org/wiki/Wastewater_treatment

    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.

  6. Sacramento Regional Wastewater Treatment Plant - Wikipedia

    en.wikipedia.org/wiki/Sacramento_Regional...

    The Sacramento Regional Wastewater Treatment Plant ( SRWTP) is a wastewater treatment plant in Elk Grove, California, United States. It was built along the Interstate 5 during the 1970s and became fully operational in 1982. The plant was built to centralize wastewater treatment, instead of sending it to the 22 treatment plants that used to ...

  7. Waste management - Wikipedia

    en.wikipedia.org/wiki/Waste_management

    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.

  8. Activated sludge - Wikipedia

    en.wikipedia.org/wiki/Activated_sludge

    The white bubbles are due to the diffused air aeration system. The activated sludge process is a type of biological wastewater treatment process for treating sewage or industrial wastewaters using aeration and a biological floc composed of bacteria and protozoa. It is one of several biological wastewater treatment alternatives in secondary ...

  9. Constructed wetland - Wikipedia

    en.wikipedia.org/wiki/Constructed_wetland

    A constructed wetland is an artificial wetland to treat sewage, greywater, stormwater runoff or industrial wastewater. [ 1][ 2] It may also be designed for land reclamation after mining, or as a mitigation step for natural areas lost to land development. Constructed wetlands are engineered systems that use the natural functions of vegetation ...