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  2. Reverse osmosis plant - Wikipedia

    en.wikipedia.org/wiki/Reverse_osmosis_plant

    A reverse osmosis plant is a manufacturing plant where the process of reverse osmosis takes place. Reverse osmosis is a common process to purify or desalinate contaminated water by forcing water through a membrane. Water produced by reverse osmosis may be used for a variety of purposes, including desalination, wastewater treatment ...

  3. Thermal hydrolysis - Wikipedia

    en.wikipedia.org/wiki/Thermal_hydrolysis

    Thermal hydrolysis is a two-stage process combining high-pressure boiling of waste or sludge followed by a rapid decompression. This combined action sterilizes the sludge and makes it more biodegradable, which improves digestion performance. Sterilization destroys pathogens in the sludge resulting in it exceeding the stringent requirements for ...

  4. Electrodeionization - Wikipedia

    en.wikipedia.org/wiki/Electrodeionization

    Electrodeionization. Electrodeionization ( EDI) is a water treatment technology that utilizes DC power, ion exchange membranes, and ion exchange resin to deionize water. EDI is typically employed as a polishing treatment following reverse osmosis (RO), and is used in the production of ultrapure water. It differs from other RO polishing methods ...

  5. Ohio EPA pulls plan for small sewage-treatment plants in ...

    www.aol.com/ohio-epa-pulls-plan-small-101258709.html

    It has withdrawn a controversial proposal to allow small, privately operated sewage-treatment plants to aid rapid development in rural Delaware and Licking counties, which had raised concerns ...

  6. 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]

  7. Six technologies that produce clean, safe drinking water

    www.engadget.com/2016-09-17-six-technologies...

    A built-in desalination system uses some of the electricity produced to create clean drinking water, and the rest of the electricity is fed back to shore and added to the grid. The utility-scale ...

  8. Anaerobic digestion - Wikipedia

    en.wikipedia.org/wiki/Anaerobic_digestion

    v. t. e. Anaerobic digestion is a sequence of processes by which microorganisms break down biodegradable material in the absence of oxygen. [ 1] The process is used for industrial or domestic purposes to manage waste or to produce fuels. Much of the fermentation used industrially to produce food and drink products, as well as home fermentation ...

  9. California approves rules for converting sewage waste to ...

    www.aol.com/news/california-approves-rules...

    California regulators on Tuesday cleared the way for widespread use of advanced filtration and treatment facilities designed to convert sewage waste into pure drinking water that can be pumped ...