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  2. Decentralized wastewater system - Wikipedia

    en.wikipedia.org/wiki/Decentralized_wastewater...

    Constructed wetland for decentralized wastewater treatment at a school in Lusaka, Zambia. Decentralized wastewater systems (also referred to as decentralized wastewater treatment systems) convey, treat and dispose or reuse wastewater from small and low-density communities, buildings and dwellings in remote areas, individual public or private properties. [1]

  3. Water supply and sanitation in China - Wikipedia

    en.wikipedia.org/wiki/Water_supply_and...

    Achievements Until the early 1980s, there was not a single municipal wastewater treatment plant in China. In that year, the country's first municipal wastewater treatment plant was built in the city of Nanjing. [25] Subsequently, China engaged in what is possibly the largest wastewater treatment investment program in history.

  4. Huaifang Water Reclamation Plant - Wikipedia

    en.wikipedia.org/wiki/Huaifang_Water_Reclamation...

    Huaifang Water Reclamation Plant is a wastewater recycling plant located in the southwest of Beijing, China.Commissioned in 2017, the 3-floor plant spanned over an area of 162,000 m 2 was built in response to the state capital of Beijing, facing a water shortage challenge exacerbated by climate change and urbanization with having the major water treatment systems being installed underground to ...

  5. Water management in Beijing - Wikipedia

    en.wikipedia.org/wiki/Water_management_in_Beijing

    The largest plant is in Gaobeidian with a capacity of 1 million cubic meters per day, making it the largest wastewater treatment plant in China and one of the largest wastewater treatment plants in the world. It serves 2.4 million people. [16] The plant uses the activated sludge technology and was built in two stages during the 1990s. [17]

  6. List of wastewater treatment technologies - Wikipedia

    en.wikipedia.org/wiki/List_of_wastewater...

    Chemical addition wastewater treatment; Clarifier; Coarse bubble diffusers; Composting toilet; Constructed wetland; Cross-flow filtration; Dark fermentation; Decanter centrifuge; Decentralized wastewater system; Diffuser (sewage) Dissolved air flotation; Dissolved gas flotation; Desalination; Distillation; Effluent Decontamination System ...

  7. Constructed wetland - Wikipedia

    en.wikipedia.org/wiki/Constructed_wetland

    Constructed wetlands have been used in both centralized and decentralized wastewater systems. Primary treatment is recommended when there is a large amount of suspended solids or soluble organic matter (measured as biochemical oxygen demand and chemical oxygen demand). [3]

  8. Water issues in developing countries - Wikipedia

    en.wikipedia.org/wiki/Water_issues_in_developing...

    In China, only 38% of China's urban wastewater is treated, and although 91% of China's industrial waste water is treated, it still releases extensive toxins into the water supply. [30] The amount of possible wastewater treatment can also be compromised by the networks required to bring the wastewater to the treatment plants.

  9. 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]

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