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  2. File:Sewage Treatment Model.pdf - Wikipedia

    en.wikipedia.org/wiki/File:Sewage_Treatment...

    English: This diagram depicts the process and benefits of sewage treatment. Sewage treatment helps to protect the environment and all organisms as this process aims to remove contaminants such as bacteria, nutrients, pathogens and any other chemicals that may contaminate surface waters.

  3. Xylem Inc. - Wikipedia

    en.wikipedia.org/wiki/Xylem_Inc.

    In 1869, the Goulds name was added, and the company became known as Goulds Manufacturing Company. The Gould family ran the operation from 1872 until 1964, renaming the company Goulds Pumps Incorporated in 1926. In the 1960s, Goulds expanded by adding acquisitions of companies in California, Texas, Pennsylvania and New York.

  4. Well intervention - Wikipedia

    en.wikipedia.org/wiki/Well_intervention

    Well intervention vessel Skandi Constructor. A well intervention, or well work, is any operation carried out on an oil or gas well during, or at the end of, its productive life that alters the state of the well or well geometry, provides well diagnostics, or manages the production of the well.

  5. Will Texas run out of groundwater? Experts explain how ... - AOL

    www.aol.com/news/texas-run-groundwater-experts...

    A non-exempt well is a well capable of producing more than 17.36 gallons per minute, and must submit semi-annual water well production reports to the District at a rate of $0.155 per 1,000 gallons.

  6. Arsenic contamination of groundwater - Wikipedia

    en.wikipedia.org/wiki/Arsenic_contamination_of...

    A problem with both methods is the production of high-salinity waste water, called brine, or concentrate, which then must be disposed of. Subterranean arsenic removal (SAR) technology SAR Technology In subterranean arsenic removal, aerated groundwater is recharged back into the aquifer to create an oxidation zone which can trap iron and arsenic ...

  7. Aerobic treatment system - Wikipedia

    en.wikipedia.org/wiki/Aerobic_treatment_system

    Unlike the traditional septic system, the aerobic treatment system produces a high quality secondary effluent, which can be sterilized and used for surface irrigation. This allows much greater flexibility in the placement of the leach field, as well as cutting the required size of the leach field by as much as half. [1]

  8. Trickling filter - Wikipedia

    en.wikipedia.org/wiki/Trickling_filter

    The treatment of sewage or other wastewater with trickling filters is among the oldest and most well characterized treatment technologies. The fundamental components of a complete trickling filter system are: a bed of filter medium upon which a layer of microbial slime is promoted and developed;

  9. Industrial wastewater treatment - Wikipedia

    en.wikipedia.org/.../Industrial_wastewater_treatment

    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.