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  2. Hydrodynamic separator - Wikipedia

    en.wikipedia.org/wiki/Hydrodynamic_separator

    In civil engineering (specifically hydraulic engineering), a hydrodynamic separator (HDS) is a stormwater management device that uses cyclonic separation to control water pollution. They are designed as flow-through structures with a settling or separation unit to remove sediment and other pollutants. [ 1 ]

  3. Category:Pollution control technologies - Wikipedia

    en.wikipedia.org/wiki/Category:Pollution_control...

    Hydrodynamic separator; List of hyperaccumulators; Hyperaccumulators table – 2: Nickel; Hyperaccumulators table – 3; I. In situ capping of subaqueous waste;

  4. Spiral separator - Wikipedia

    en.wikipedia.org/wiki/Spiral_separator

    Typical spiral concentrators will use a slurry from about 20%-40% solids by weight, with a particle size somewhere between 0.75—1.5mm (17-340 mesh), though somewhat larger particle sizes are sometimes used.

  5. Walmart's early Black Friday deals are rivaling Amazon prices ...

    www.aol.com/lifestyle/walmarts-black-friday...

    Samsung DU69 4K 65-Inch Smart TV — on sale for $398 (Special Buy) Squishmallows 8-Inch Disney Boo — on sale for $5 (Special Buy) Serta Classic Clarks Firm Mattress — on sale for $449 (save ...

  6. 9 Christmas traditions in England that probably confuse Americans

    www.aol.com/9-christmas-traditions-england...

    King George V started the Royal Christmas Message as a radio broadcast in 1932, and it has remained an annual tradition ever since. In 1957, Queen Elizabeth II moved to the broadcast to television

  7. Tree box filter - Wikipedia

    en.wikipedia.org/wiki/Tree_box_filter

    The cost of care can range from $100 to $500 per year for each tree box filter. In order to extend the life and efficiency of the tree box filter, it is recommended that inspections be conducted yearly. [2] [3] [9]

  8. Christian leader in Lebanon urges US, allies to intervene to ...

    www.aol.com/christian-leader-lebanon-urges-us...

    The leader of a Christian coalition and political party in Lebanon is calling on the U.S. and its Western allies to deploy troops to Lebanon to help the army dismantle Hezbollah.

  9. Dimensionless numbers in fluid mechanics - Wikipedia

    en.wikipedia.org/wiki/Dimensionless_numbers_in...

    Dimensionless numbers (or characteristic numbers) have an important role in analyzing the behavior of fluids and their flow as well as in other transport phenomena. [1] They include the Reynolds and the Mach numbers, which describe as ratios the relative magnitude of fluid and physical system characteristics, such as density, viscosity, speed of sound, and flow speed.