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  2. Solar still - Wikipedia

    en.wikipedia.org/wiki/Solar_still

    Solar is still affordable, eco-friendly, and considered an effective method amongst other conventional distillation techniques. Solar still is very effective, especially for supplying fresh water for islanders. This makes them ideal for use in rural areas or developing countries where access to clean water is limited.

  3. Distillation - Wikipedia

    en.wikipedia.org/wiki/Distillation

    Distillation, also classical distillation, is the process of separating the component substances of a liquid mixture of two or more chemically discrete substances; the separation process is realized by way of the selective boiling of the mixture and the condensation of the vapors in a still.

  4. Column still - Wikipedia

    en.wikipedia.org/wiki/Column_still

    A column still is an example of a fractional distillation, in that it yields a narrow fraction of the distillable components. This technique is frequently employed in chemical synthesis; in this case, the component of the still responsible for the separation is a fractionating column. A continuous still can, as its name suggests, sustain a ...

  5. Vacuum distillation - Wikipedia

    en.wikipedia.org/wiki/Vacuum_distillation

    In the vacuum apparatus here, it distills off into the connected receiver flask on the left at only 70 °C. Vacuum distillation or distillation under reduced pressure is a type of distillation performed under reduced pressure, which allows the purification of compounds not readily distilled at ambient pressures or simply to save time or energy.

  6. Electrolysis of water - Wikipedia

    en.wikipedia.org/wiki/Electrolysis_of_water

    Thermodynamics. The electrolysis of water in standard conditions requires a theoretical minimum of 237 kJ of electrical energy input to dissociate each mole of water, which is the standard Gibbs free energy of formation of water. It also requires thermal energy to balance the change in entropy of the reaction.

  7. Willie Nelson Says He Has No Reason to 'Worry About ... - AOL

    www.aol.com/lifestyle/willie-nelson-says-no...

    Willie Nelson knows that age is nothing but a number.. On Friday, Nov. 1, in honor of the release of his 76th solo studio album and 153rd album overall, Last Leaf on the Tree, the 91-year-old ...

  8. Reflux - Wikipedia

    en.wikipedia.org/wiki/Reflux

    The reflux system in a typical industrial distillation column. Reflux is a technique involving the condensation of vapors and the return of this condensate to the system from which it originated. It is used in industrial [1] and laboratory [2] distillations. It is also used in chemistry to supply energy to reactions over a long period of time.

  9. Stock market today: Indexes fall from records as chip rout ...

    www.aol.com/stock-market-today-indexes-fall...

    Filip De Mott. October 15, 2024 at 1:23 PM. Chip Somodevilla/Getty Images. A sell-off in semiconductors pulled stock indexes away from record highs. The rout was led by Dutch chip firm ASML, which ...