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  2. Perlite - Wikipedia

    en.wikipedia.org/wiki/Perlite

    Several perlite filters and perlite media have met NSF-50 approval (Aquify PMF Series and AquaPerl), which standardizes water quality and technology safety and performance. Perlite can be safely disposed of through existing sewage systems, although some pool operators choose to separate the perlite using settling tanks or screening systems to ...

  3. Sanitary sewer - Wikipedia

    en.wikipedia.org/wiki/Sanitary_sewer

    A sanitary sewer is an underground pipe or tunnel system for transporting sewage from houses and commercial buildings (but not stormwater) to a sewage treatment plant or disposal. Sanitary sewers are a type of gravity sewer and are part of an overall system called a "sewage system" or sewerage .

  4. James Newlands - Wikipedia

    en.wikipedia.org/wiki/James_Newlands

    The shape was crucial to ensuring water flowed freely and easily and enabled solid matters to be transported through the sewage system without blockages forming. In July 1848, ten years before London began its similar endeavours following the Great Stink , James Newlands' sewer construction programme began, and over the next 11 years 86 miles ...

  5. Rotary vacuum-drum filter - Wikipedia

    en.wikipedia.org/wiki/Rotary_vacuum-drum_filter

    It is common to pre-coated with a filter aid, typically of diatomaceous earth (DE) or Perlite. In some implementations, the knife also cuts off a small portion of the filter media to reveal a fresh media surface that will enter the liquid as the drum rotates. Such systems advance the knife automatically as the surface is removed.

  6. Sewerage - Wikipedia

    en.wikipedia.org/wiki/Sewerage

    Sewerage (or sewage system) is the infrastructure that conveys sewage or surface runoff (stormwater, meltwater, rainwater) using sewers. It encompasses components such as receiving drains , manholes , pumping stations , storm overflows, and screening chambers of the combined sewer or sanitary sewer .

  7. History of water supply and sanitation - Wikipedia

    en.wikipedia.org/wiki/History_of_water_supply...

    The Paris cholera epidemic of 1832 sharpened the public awareness of the necessity for some sort of drainage system to deal with sewage and wastewater in a better and healthier way. Between 1865 and 1920 Eugene Belgrand led the development of a large scale system for water supply and wastewater management. Between these years approximately 600 ...

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