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As we all know water that in many of the countries or states we find a lot of water scarcity. I wonder if water could be produced by artificial technology. I searched about this in google but I find other techniques like recycling of water,and also about bringing out the penetrated water etc. But I could not find such machine or technology that is able to produce or generate water. If the idea of generating water artificially successful then we could be able to overcome the water scarcity . I wanted to know whether this kind of technology is already invented or not.

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    $\begingroup$ Creating water artificially is super easy; that's not the question. The question is "where is the money". $\endgroup$ Commented Sep 30, 2020 at 9:42
  • $\begingroup$ Burn natural gas, maybe? $\endgroup$ Commented Sep 30, 2020 at 9:42
  • $\begingroup$ Not really generated, but in effect the same: There is an ongoing project with already built prototypes of capacity hundreds L of / day, working with solar energy, based on condensation of air humidity on cold condensers. They are aimed on hot arid countries, where is plenty of solar energy, but water is scarce. $\endgroup$
    – Poutnik
    Commented Sep 30, 2020 at 9:50
  • $\begingroup$ P.S.: Solar Air Water Earth Resource (S.A.W.E.R.) $\endgroup$
    – Poutnik
    Commented Sep 30, 2020 at 10:29
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    $\begingroup$ 2/3 of the world is covered with water. water isn't scarce. Potable water is scarce. So why "create" it from scratch when you can desalinate it to make it potable? $\endgroup$
    – matt_black
    Commented Sep 30, 2020 at 10:55

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Put some $O_{2}$ and $H_{2}$ in a chamber, give it some activation energy and boom, you got some water.

However, mixing a flammable gas with a strong oxidizer can make things a little interesting.

Plus we would be manufacturing large amounts, making the process very dangerous (i.e. expensive equipment is needed)

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  • $\begingroup$ the process can be done safely on any scale. that isn't the problem. How many countries with no access to, say sea water to desalinate, have ready access to supplies of oxygen and hydrogen? $\endgroup$
    – matt_black
    Commented Sep 30, 2020 at 11:19
  • $\begingroup$ @matt_black I would assume that a country who has trouble accessing H2 and O2 supplies would also have trouble accessing the equipment required to safely carry out the reaction. $\endgroup$
    – user98623
    Commented Sep 30, 2020 at 11:21
  • $\begingroup$ @matt_black the reactions would require large reaction vessels, condensers, etc. So yea access to the necessary reactants may be limited, but so is the access to a lot of other things. Just two perspectives on the same problem. $\endgroup$
    – user98623
    Commented Sep 30, 2020 at 11:33
  • $\begingroup$ Water for steam oxidation of silicon in semiconductor processing is made by burning hydrogen and oxygen. Primarily this is done to meet the purity requirements. $\endgroup$
    – Jon Custer
    Commented Sep 30, 2020 at 13:56
  • $\begingroup$ @JonCuster I never suggested that the reaction between hydrogen and oxygen isn’t used. Simply, to produce the quantities needed to supply a city or developing country would required large equipment that can withstand the reaction. Therefore the process is expensive and dangerous, but (obviously) not impossible $\endgroup$
    – user98623
    Commented Sep 30, 2020 at 14:14

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