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  2. Membrane bioreactor - Wikipedia

    en.wikipedia.org/wiki/Membrane_bioreactor

    The original designs were introduced by Dorr-Oliver Inc. and combined the use of an activated sludge bioreactor with a cross-flow membrane filtration loop. The flat sheet membranes used in this process were polymeric and featured pore sizes ranging from 0.003 to 0.01 μm.

  3. Urban runoff - Wikipedia

    en.wikipedia.org/wiki/Urban_runoff

    Local governments use a variety of stormwater management techniques to reduce the effects of urban runoff. These techniques, called best management practices for water pollution (BMPs) in some countries, may focus on water quantity control, while others focus on improving water quality, and some perform both functions. [18]

  4. Nutrient pollution - Wikipedia

    en.wikipedia.org/wiki/Nutrient_pollution

    Nutrient pollution, a form of water pollution, refers to contamination by excessive inputs of nutrients. It is a primary cause of eutrophication of surface waters (lakes, rivers and coastal waters ), in which excess nutrients, usually nitrogen or phosphorus , stimulate algal growth. [ 1 ]

  5. Health and environmental impact of transport - Wikipedia

    en.wikipedia.org/wiki/Health_and_environmental...

    Construction of the route through the Kösching forest, north of Ingolstadt, Germany, had a large environmental footprint but with Road-Rail Parallel Layout this would be less than using multiple routes. Road-Rail Parallel Layout is a design option to reduce the environmental effects of new transportation routes by locating railway tracks ...

  6. We’re putting the top sheet debate to bed - AOL

    www.aol.com/news/putting-top-sheet-debate-bed...

    Experts say you should wash your sheets — meaning your pillowcases, fitted sheet and top sheet (if you use one) — once a week. Bed sheets get dirty very quickly, Azodi says.

  7. Alec Baldwin's 'Rust' earns polite response at world premiere ...

    www.aol.com/alec-baldwins-rust-earns-polite...

    Over three years after the accidental on-set death of cinematographer Halyna Hutchins, Alec Baldwin's Western film “Rust” received a polite response during its controversial premiere Wednesday ...

  8. Water pollution - Wikipedia

    en.wikipedia.org/wiki/Water_pollution

    A practical definition of water pollution is: "Water pollution is the addition of substances or energy forms that directly or indirectly alter the nature of the water body in such a manner that negatively affects its legitimate uses." [1]: 6 Water is typically referred to as polluted when it is impaired by anthropogenic contaminants.

  9. Baublebar's sitewide Black Friday sale is one you can't miss ...

    www.aol.com/lifestyle/baublebars-sitewide-black...

    Get 30% off all jewelry at Baublebar during the brand's sitewide Black Friday sale. Get 20% off custom items, too. Here are the pieces we recommend.