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  2. Aermotor Windmill Company - Wikipedia

    en.wikipedia.org/wiki/Aermotor_Windmill_Company

    An Aermotor water-pumping windmill in Texas near Denton The defunct Aermotor Windmill at Gekeler Farms in Idaho. Besides the production of windmills from 6 to 16 feet (1.8 to 4.9 m) tall, [3] Aermotor also produces the towers on which a windmill sits. Four post towers come in steel (ranging from 21 to 60 feet or 6.4 to 18.3 meters tall) and ...

  3. Solar pond - Wikipedia

    en.wikipedia.org/wiki/Solar_pond

    Solar Evaporation Ponds in the Atacama Desert. The largest operating solar pond for electricity generation was the Beit HaArava pond built in Israel and operated up until 1988. It had an area of 210,000 m² and gave an electrical output of 5 MW. [3] India was the first Asian country to have established a solar pond in Bhuj, in Gujarat.

  4. Evaporation pond - Wikipedia

    en.wikipedia.org/wiki/Evaporation_pond

    Evaporation will be higher in places with high amounts of solar radiation, high temperatures, and low wind levels. Since evaporation ponds operate best with greater surface area of evaporation, large amount of land is required, so low quality, low cost land is better [ 2 ] A shallow pond covering greater surface area will result in faster rates ...

  5. Integral Urban House - Wikipedia

    en.wikipedia.org/wiki/Integral_Urban_House

    The windmill activated a mechanical diaphragm pump which pumped stagnant pond water through a felt bag suspended on top of a cut oil drum to filter out large particles. Water entering the drum was filtered once again by a bed of crushed oyster shells before being fed back to the pond through a faucet aerator. [ 7 ]

  6. Kathryn Ross column: Windmills, solar panels are stopgap ...

    www.aol.com/kathryn-ross-column-windmills-solar...

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  7. Water aeration - Wikipedia

    en.wikipedia.org/wiki/Water_aeration

    Subsurface aeration seeks to release bubbles at the bottom of the water body and allow them to rise by the force of buoyancy. Diffused aeration systems utilize bubbles to aerate as well as mix the water. Water displacement from the expulsion of bubbles will cause a mixing action to occur, and the contact between the water and the bubble will ...

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