Evacuated evaporation-pressurized condensation solar still

Distillation: apparatus – Apparatus – Systems

Patent

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Details

202187, 202205, 202233, 202234, 202241, 126435, 126442, 159903, 165 95, 203 22, 203 26, 203 4, 203DIG1, B01D 304, B01D 128, C02F 114

Patent

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047494476

ABSTRACT:
This invention discloses a solar still comprising a plurality of twin conduits routed through a plurality of solar collectors wherein the liquid is evaporated in the evaporation conduit constituting the first of the twin conduits and the vapor is condensed in the condensation conduit constituting the second conduit of the twin conduits. The evaporation conduit and the condensation conduit are separated from one another by a heat conducting element. A plurality of vapor conduits branching off from the evaporation conduits are connected to the condensation conduits via at least one pump or blower. The liquid fed to the evaporation conduit evaporates to vapor under an evacuated state provided by the pump or blower after being heated by the solar energy collected and supplied by the solar collector and/or by the latent heat released in and supplied by the condensation conduit wherein the vapor is condensed to liquid under a pressurized state provided by the pump or blower. The latent heat is recycled conductively via the heat conducting element separating the twin conduits from one another as the latent heat released by the condensing vapor under a pressurized state in the condensation conduit at a higher temperature flows from the condensation conduit to the evaporation conduit wherein the liquid evaporates under an evacuated state at a lower temperature.

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