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  2. Air-free technique - Wikipedia

    en.wikipedia.org/wiki/Air-free_technique

    An ordinary glovebox, showing the two gloves for manipulation, with airlock on the right. The most straightforward type of air-free technique is the use of a glovebox.A "glove bag" uses the same idea, but is usually a poorer substitute because it is more difficult to purge, and less well sealed.

  3. Experimental: 6 easy steps to creating a survival water filter

    www.aol.com/news/experimental-6-easy-steps...

    In this week’s episode of Experimental, learn to make your own on-the-go water filtration system. Skip to main content. Sign in. Mail. 24/7 Help. For premium support please call: 800-290 ...

  4. Water purification - Wikipedia

    en.wikipedia.org/wiki/Water_purification

    Prior to this step, compressed air may be blown up through the bottom of the filter to break up the compacted filter media to aid the backwashing process; this is known as air scouring. This contaminated water can be disposed of, along with the sludge from the sedimentation basin, or it can be recycled by mixing with the raw water entering the ...

  5. Water filter - Wikipedia

    en.wikipedia.org/wiki/Water_filter

    The process and its meaning vary from setting to setting: a manufacturer of aquarium filters may claim that its filters perform water polishing by capturing "micro particles" within nylon or polyester pads, just as a chemical engineer can use the term to refer to the removal of magnetic resins from a solution by passing the solution over a bed ...

  6. Berlin Method - Wikipedia

    en.wikipedia.org/wiki/Berlin_Method

    The Berlin Method of biological filtration is a method for maintaining a clean and stable environment within a saltwater aquarium, typically a coral reef system. This method relies on the use of ample live rock (rock with live marine organisms and bacteria on or in it).

  7. Gravity filtration - Wikipedia

    en.wikipedia.org/wiki/Gravity_filtration

    This filter is an open sand filter system used for water treatment in low budget environments. It can suit a variety of pressure-controlled backwashing. This filter is an automatic gravity filter that uses different pressures and backwashes the system with an injector. The system has no controls. The filters have no moving parts and no pumps.

  8. Filtration - Wikipedia

    en.wikipedia.org/wiki/Filtration

    Centrifugal filtration is carried out by rapidly rotating the substance to be filtered. The more dense material is separated from the less dense matter by the horizontal rotation. [5] Gravity filtration is the process of pouring the mixture from a higher location to a lower one. It is frequently accomplished via simple filtration, which ...

  9. Nanofiltration - Wikipedia

    en.wikipedia.org/wiki/Nanofiltration

    Nanofiltration is a membrane filtration process that uses nanometer sized pores through which particles smaller than about 1–10 nanometers pass through the membrane. Nanofiltration membranes have pore sizes of about 1–10 nanometers, smaller than those used in microfiltration and ultrafiltration , but a slightly bigger than those in reverse ...