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Bubble Wrap (originally Air Cap) [2] is a trademarked brand of Sealed Air Corporation that includes numerous cushioning products made from bubble wrap. [1] [3] The brand is produced by the Product Care division of Sealed Air. [4] [5] Both the Bubble Wrap brand and product were introduced in 1960, with the launch of Sealed Air. [1]
The air bubbles lift the ink to the surface and form a thick froth that can be removed. Normally the setup is a two-stage system with 3, 4 or 5 flotation cells in series. [ 9 ] Flotation deinking is very effective in removing ink particles larger than about 10 μm.
Fine bubble diffusers have largely replaced coarse bubble diffusers and mechanical aerators in most of the developed world and in much of the developing world. The exception would be in secondary treatment phases, such as activated sludge processing tanks, where 85 to 90 percent of any remaining solid materials (floating on the surface) are ...
Because of their small air openings, fine bubble diffusers cease to have an advantage. Currently, coarse bubble diffusers are the mainstay solution. These diffusers are typically made in the shape of a perforated rectangular pipe called a wide band, or a cap of 3 inches (76 mm) in diameter with an elastomeric membrane. Other varieties of coarse ...
Chemists remove gases from solvents when the compounds they are working on are possibly air- or oxygen-sensitive (air-free technique), or when bubble formation at solid-liquid interfaces becomes a problem. The formation of gas bubbles when a liquid is frozen can also be undesirable, necessitating degassing beforehand.
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Microbubbles may be used for drug delivery, [6] biofilm removal, [7] membrane cleaning [8] [9] /biofilm control and water/waste water treatment purposes. [10] They are also produced by the movement of a ship’s hull through water, creating a bubble layer; this may interfere with the use of sonar because of the tendency of the layer to absorb ...
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