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2. Airlift pump - Wikipedia

   en.wikipedia.org/wiki/Airlift_pump

   Airlift pumps are often used in deep dirty wells where sand would quickly abrade mechanical parts. (The compressor is on the surface and no mechanical parts are needed in the well). However airlift wells must be much deeper than the water table to allow for submergence. Air is generally pumped at least as deep under the water as the water is to ...

3. Comparison of pumps - Wikipedia

   en.wikipedia.org/wiki/Comparison_of_pumps

   Different types of pumps are suitable for different applications, for example: a pump's maximum lift height also determines the applications it can be used for. Low-lift pumps are only suitable for the pumping of surface water (e.g., irrigation, drainage of lands, ...), while high-lift pumps allow deep water pumping (e.g., potable water pumping ...

4. Deep water source cooling - Wikipedia

   en.wikipedia.org/wiki/Deep_water_source_cooling

   Deep water source cooling (DWSC) or deep water air cooling is a form of air cooling for process and comfort space cooling which uses a large body of naturally cold water as a heat sink. It uses water at 4 to 10 degrees Celsius drawn from deep areas within lakes, oceans, aquifers or rivers, which is pumped through the one side of a heat exchanger .

5. Tetra Tech Awarded $17.8 Million Environmental Remediation ...

   www.aol.com/news/2013-04-15-tetra-tech-awarded...

   Tetra Tech Awarded $17.8 Million Environmental Remediation Program at Former McClellan Air Force Base PASADENA, Calif.--(BUSINESS WIRE)-- Tetra Tech, Inc. (NAS: TTEK) announced today that it has ...

6. Airlift (dredging device) - Wikipedia

   en.wikipedia.org/wiki/Airlift_(dredging_device)

   A water dredge or water eductor may be used for the same purpose. [1] Typically, the airlift is constructed from a 3-metre to 10 metre long, 10 cm diameter pipe. A controllable compressed air supply vents into the inside, lower end of the pipe (The input end always being the lower end).

7. Trompe - Wikipedia

   en.wikipedia.org/wiki/Trompe

   The compressed air rises to the top of the separation chamber (wind box). The separation chamber has a compressed-air takeoff pipe, and the compressed air can be used as a power source. The energy of the falling water creates a partial vacuum inside the pipe that is compensated by the air from the outside atmosphere provided through inlet.