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  2. Water treatment - Wikipedia

    en.wikipedia.org/wiki/Water_treatment

    Dalecarlia Water Treatment Plant, Washington, D.C. Water treatment is any process that improves the quality of water to make it appropriate for a specific end-use. The end use may be drinking, industrial water supply, irrigation, river flow maintenance, water recreation or many other uses, including being safely returned to the environment.

  3. Speciality chemicals - Wikipedia

    en.wikipedia.org/wiki/Speciality_chemicals

    Food additives: Substances added to food products to enhance their taste, texture, appearance, or preservation. Personal care ingredients: Chemicals used in the formulation of cosmetics, toiletries, and other personal care products, such as emulsifiers, surfactants, and moisturizing agents.

  4. Water industry - Wikipedia

    en.wikipedia.org/wiki/Water_industry

    The water industry includes water engineering, operations, water and wastewater plant construction, equipment supply and specialist water treatment chemicals, among others. The water industry is at the service of other industries, e.g. of the food sector which produces beverages such as bottled water. [2]

  5. Electrodeionization - Wikipedia

    en.wikipedia.org/wiki/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, like chemically ...

  6. Nanotechnology for water purification - Wikipedia

    en.wikipedia.org/wiki/Nanotechnology_for_water...

    Water purification system is mainly based on the principle of absorption. For the absorption of anionic metal species, the nanocellulose materials are functionalized with a positive charged cationic group. Similarly, for the absorption of cationic metal species, the nanocellulose material is functionalized with the negatively charged anionic group.

  7. Industrial wastewater treatment - Wikipedia

    en.wikipedia.org/.../Industrial_wastewater_treatment

    Brine treatment systems are typically optimized to either reduce the volume of the final discharge for more economic disposal (as disposal costs are often based on volume) or maximize the recovery of fresh water or salts. Brine treatment systems may also be optimized to reduce electricity consumption, chemical usage, or physical footprint.

  8. Category:Water treatment - Wikipedia

    en.wikipedia.org/wiki/Category:Water_treatment

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  9. Activated sludge - Wikipedia

    en.wikipedia.org/wiki/Activated_sludge

    Activated sludge tank at Beckton sewage treatment plant, UK.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.