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2. Water aeration - Wikipedia

   en.wikipedia.org/wiki/Water_aeration

   The low speed surface aerator is a device for biology aeration with high efficiency. These devices are often in steel protected by epoxy coating and generate high torque. The mixing of water volume is excellent. The common power is going from 1 up to 250kw per unit with an efficiency (SOE) around 2 kgO2/kw.

3. Aerated lagoon - Wikipedia

   en.wikipedia.org/wiki/Aerated_lagoon

   Low speed surface aerator present such high diameter. Therefore SOTE for low speed surface aerators is about 2 to 2.5 kg O 2 /kWh. This is why low speed surface aerators are mostly used in sewage or industrial treatment as WWTP [clarification needed] are bigger and sparing energy becomes very interesting.

4. Faucet aerator - Wikipedia

   en.wikipedia.org/wiki/Faucet_aerator

   When an aerator is added to the faucet (or fluid stream), there is a region of high pressure created behind the aerator. Because of the higher pressure behind the aerator and the low pressure in front of it (outside the faucet), due to Bernoulli's principle there is an increase in velocity of the fluid flow.

5. Secondary treatment - Wikipedia

   en.wikipedia.org/wiki/Secondary_treatment

   Aerated lagoons are a low technology suspended-growth method of secondary treatment using motor-driven aerators floating on the water surface to increase atmospheric oxygen transfer to the lagoon and to mix the lagoon contents. The floating surface aerators are typically rated to deliver the amount of air equivalent to 1.8 to 2.7 kg O 2 /kW·h ...

6. Are wine aerators worth it? Experts weigh in - AOL

   www.aol.com/news/wine-aerators-worth-experts...

   Plus, the aerator attachment has a on and off switch that allows you to control how much aeration you apply to the wine. Type: On-bottle | Weight: 0.81 oz. Aerawine Wine Aerator

7. Activated sludge - Wikipedia

   en.wikipedia.org/wiki/Activated_sludge

   Surface aerator for aeration tank at activated sludge sewage treatment plant (at Morro Alto Treatment Plant, Vespasiano, Brazil) Vertically mounted tubes of up to 1-metre (3.3 ft) diameter extending from just above the base of a deep concrete tank to just below the surface of the sewage liquor. A typical shaft might be 10 metres (33 ft) high.