solar still

solar still
A simple distillation device consisting of a sheet of plastic placed over a pit, allowing water vapor produced by evaporation to run back into a collection vessel.

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  • solar still — n. any system for the purification of salt water in which a shallow pool of salt water evaporates within a greenhouselike structure, causing the formation on the ceiling of droplets of fresh water, which drip down into collection pools …   English World dictionary

  • Solar still — A solar still is a very simple way for distilling water, powered by the heat of the sun, especially when distillation equipment is unavailable. A few basic types of solar stills are cone shaped, boxlike, and pit. For cone solar stills, impure… …   Wikipedia

  • solar still — noun : a small device originally designed for army and navy fliers forced down in the sea that converts salt water or contaminated water into drinking water by vaporization by the sun s rays and condensation * * * an apparatus that uses solar… …   Useful english dictionary

  • solar still — an apparatus that uses solar radiation to distill salt or brackish water to produce drinkable water. * * * …   Universalium

  • Solar thermal energy — Solar thermal system for water heating in Santorini, Greece …   Wikipedia

  • Solar desalination — is a technique to desalinate water using solar energy. Solar desalination in the modern era extends back to the early 1950s when simple solar stills were studied for remote desert and coastal communities [E Delyannis, 2003, Historic background of …   Wikipedia

  • Solar Powered Desalination Unit — A Solar Powered Desalination Unit designed for remote communities has been tested in the Northern Territory of Australia. [ Award winning Solar Powered Desalination Unit aims to solve Central… …   Wikipedia

  • Solar humidification — The solar humidification dehumidification method (HDH) is a thermal desalination method. It is based on evaporation of sea water or brackish water and consecutive condensation of the generated humid air, mostly at ambient pressure. This process… …   Wikipedia

  • Still — For other uses, see Still (disambiguation). A still is a permanent apparatus used to distill miscible or immiscible (eg. steam distillation) liquid mixtures by heating to selectively boil and then cooling to condense the vapor. Stills have been… …   Wikipedia

  • Solar variation — Solar variations are changes in the amount of solar radiation emitted by the Sun. There are periodic components to these variations, the principal one being the 11 year solar cycle (or sunspot cycle), as well as aperiodic fluctuations. Solar… …   Wikipedia

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