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  2. Coagulation (water treatment) - Wikipedia

    en.wikipedia.org/wiki/Coagulation_(water_treatment)

    Jar test for coagulation. The dose of the coagulant to be used can be determined via the jar test. [1] [5] The jar test involves exposing same volume samples of the water to be treated to different doses of the coagulant and then simultaneously mixing the samples at a constant rapid mixing time. [5]

  3. Flocculation - Wikipedia

    en.wikipedia.org/wiki/Flocculation

    The process by which the dosage and choice of flocculant are selected is called a jar test. The equipment used for jar testing consists of one or more beakers, each equipped with a paddle mixer. After the addition of flocculants, rapid mixing takes place, followed by slow mixing and later the sedimentation process.

  4. Culligan - Wikipedia

    en.wikipedia.org/wiki/Culligan

    Culligan Interglobal is a United States based global water treatment company with a network of dealers and direct operations in 90 countries with 1,000 dealers; over 600 in North America alone, and more than 14,000 employees.

  5. Degrémont - Wikipedia

    en.wikipedia.org/wiki/Degrémont

    Degrémont is a company specializing in the production of drinking water, [1] and in the treatment of sewage and sludge. After starting as a family business in France in 1939, it has since become a subsidiary of Suez Environment, employing 4,600 people in 70 countries, and generating annual revenues of €1.520 billion (2010 figures).

  6. Veolia Water - Wikipedia

    en.wikipedia.org/wiki/Veolia_Water

    Veolia Water delivers wastewater treatment services to 68 million people around the world and, as of 2009, it managed 3,229 municipal water treatment plants. [ citation needed ] In October 2010, Veolia Water was contracted to rebuild a wastewater treatment plant in Lille (France) in a project that will ultimately have the capacity to treat ...

  7. List of largest wastewater treatment plants - Wikipedia

    en.wikipedia.org/wiki/List_of_largest_wastewater...

    The largest wastewater treatment plants can be defined in several ways. The largest in term of capacity, both during dry and wet-weathers, is the Jean-R.-Marcotte Wastewater Treatment Plant in Montreal. With full secondary treatment of effluents it would be the Deer Island Waste Water Treatment Plant of Boston.

  8. Water testing - Wikipedia

    en.wikipedia.org/wiki/Water_testing

    The Drinking Water Inspectorate is a section of Department for Environment, Food and Rural Affairs set up to regulate the public water supply companies in England and Wales. [6] Water testing in England and Wales can be conducted at the environmental health office at the local authority. [7] See Drinking Water Inspectorate.

  9. Water purification - Wikipedia

    en.wikipedia.org/wiki/Water_purification

    The bag was made of canvas and could hold 36 gallons of water. It was porous and held up by ropes, purifying water with the help of calcium hypochlorite solution. Each bag had a faucet attached, which was used to flush water for testing, as well as dispensing for use. This became the basis for present day systems of municipal water purification ...

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