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Generate energy + free desalinated water from the ocean at the same time

 
Anonymous Coward
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Greece
01/15/2016 05:31 PM
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Generate energy + free desalinated water from the ocean at the same time
Here is quite an interesting article on this technology, making use of temperature differences between the top and bottom layer of the ocean's water.

So instead of wasting energy to desalinate ocean water, you actually get it for free while generating a lot of energy on top.

[link to www.explainthatstuff.com]


I wanted to link/quote more, especially the old patent on it, but keep getting banned.
Anonymous Coward (OP)
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01/15/2016 05:36 PM
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Re: Generate energy + free desalinated water from the ocean at the same time
Here are two interesting parts from one of the patents linked in the article



While the cold water is found only at a great depth below the heated surface, this does not mean that a vast amount of energy must be used in raising the water from this depth, for if a large conduit is sunk into the sea so that its bottom end extends into the cold zone and the water is then pumped out from the top, it follows as a matter of course from the law of connecting vessels, that the cold water must rise in the conduit, so that when the warm water has once been pumped out, cold water will be available practically at sea level.


"Quite naturally, if one is seeking to obtain steam from water at a temperature in the order of 25 to 27? C. very low pressures must be maintained and the large excess of water which has given up heat units in the form of steam must be withdrawn from the generator against atmospheric pressure. At first glance this suggests a point where energy must be consumed, but this can be accomplished substantially without expenditure of energy by using the principle of the barometric tube."


So he found a way to both get the cold water up from the bottom of the sea without much energy/effort and also found a way to boil water at basically room temperature without having to put much energy into keeping up the low pressure required for water to turn into steam at low temperatures.
Anonymous Coward (OP)
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01/15/2016 05:44 PM
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Re: Generate energy + free desalinated water from the ocean at the same time
And they tell you that there is a water shortage. With this method you could generate unlimited desalinated water from the ocean, not only at no cost, but on top you would generate a lot of energy being it's main purpose.
Anonymous Coward
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01/15/2016 05:51 PM
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Re: Generate energy + free desalinated water from the ocean at the same time
doesn't have an saudi prince bought the patent on that yet?
Anonymous Coward (OP)
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01/15/2016 05:57 PM
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Re: Generate energy + free desalinated water from the ocean at the same time
doesn't have an saudi prince bought the patent on that yet?
 Quoting: Anonymous Coward 33215932


Not exactly sure how patents work with laws on them changing constantly. This is a very old patent with the patent holder probably dead already. So it might be open for use to anyone.
Anonymous Coward
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01/15/2016 05:59 PM
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Re: Generate energy + free desalinated water from the ocean at the same time
due to the fourth state of water, there is no need for any of this.

water creates its own exclusion zone on top of itself when a hydrophobic substance is placed in it in the presence of thermal radiation.

the exclusion zone is PURE water.
Anonymous Coward
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01/15/2016 05:59 PM
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Re: Generate energy + free desalinated water from the ocean at the same time
due to the fourth state of water, there is no need for any of this.

water creates its own exclusion zone on top of itself when a hydrophobic substance is placed in it in the presence of thermal radiation.

the exclusion zone is PURE water.
 Quoting: Anonymous Coward 71239151


and because there is a differential between the two zones then there is also an electrical potential.
Anonymous Coward
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01/15/2016 06:01 PM
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Re: Generate energy + free desalinated water from the ocean at the same time
besides every nuclear reactor is a desalination plant, just collect the steam that comes out of it.
Anonymous Coward
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01/15/2016 06:01 PM
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Re: Generate energy + free desalinated water from the ocean at the same time
besides every nuclear reactor is a desalination plant, just collect the steam that comes out of it.
 Quoting: Anonymous Coward 71239151


wait they cant do that, because then it would involve admitting they are allowed to leak a certain amount of radiation in the steam...
Anonymous Coward (OP)
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01/15/2016 06:03 PM
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Re: Generate energy + free desalinated water from the ocean at the same time
due to the fourth state of water, there is no need for any of this.

water creates its own exclusion zone on top of itself when a hydrophobic substance is placed in it in the presence of thermal radiation.

the exclusion zone is PURE water.
 Quoting: Anonymous Coward 71239151


Well, the main goal of this was to create clean energy. The desalinated water is just some welcomed extra.
Anonymous Coward
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01/15/2016 06:04 PM
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Re: Generate energy + free desalinated water from the ocean at the same time
due to the fourth state of water, there is no need for any of this.

water creates its own exclusion zone on top of itself when a hydrophobic substance is placed in it in the presence of thermal radiation.

the exclusion zone is PURE water.
 Quoting: Anonymous Coward 71239151


Well, the main goal of this was to create clean energy. The desalinated water is just some welcomed extra.
 Quoting: Anonymous Coward 59440279


this should bring you up to speed

Anonymous Coward
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01/15/2016 06:07 PM
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Re: Generate energy + free desalinated water from the ocean at the same time
the best idea I can come up with is this.

put turbines out at sea.

thses turbines would generate electricity.

the electricity from these turbines would dissasiate (split) water into hydrogen and oxygen.

the hydrogen could be collected into an inflatable tank out at sea and pumped back to land via pipe.

the hydrogen would then combine with oxygen when burnt on land to produce energy and clean water as a result.

with maximum safety precautions.
Anonymous Coward
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01/15/2016 06:07 PM
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Re: Generate energy + free desalinated water from the ocean at the same time
the best idea I can come up with is this.

put turbines out at sea.

thses turbines would generate electricity.

the electricity from these turbines would dissasiate (split) water into hydrogen and oxygen.

the hydrogen could be collected into an inflatable tank out at sea and pumped back to land via pipe.

the hydrogen would then combine with oxygen when burnt on land to produce energy and clean water as a result.

with maximum safety precautions.
 Quoting: Anonymous Coward 71239151


damnit I meant disassociate
Anonymous Coward
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01/15/2016 06:08 PM
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Re: Generate energy + free desalinated water from the ocean at the same time
the best idea I can come up with is this.

put turbines out at sea.

thses turbines would generate electricity.

the electricity from these turbines would dissasiate (split) water into hydrogen and oxygen.

the hydrogen could be collected into an inflatable tank out at sea and pumped back to land via pipe.

the hydrogen would then combine with oxygen when burnt on land to produce energy and clean water as a result.

with maximum safety precautions.
 Quoting: Anonymous Coward 71239151


but that's far too simple and free for governments liking.

I bet you some smart ass in years to come will win a nobel prize for saying exactly the same thing.
Anonymous Coward
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01/15/2016 06:12 PM
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Re: Generate energy + free desalinated water from the ocean at the same time
due to the fourth state of water, there is no need for any of this.

water creates its own exclusion zone on top of itself when a hydrophobic substance is placed in it in the presence of thermal radiation.

the exclusion zone is PURE water.
 Quoting: Anonymous Coward 71239151


Well, the main goal of this was to create clean energy. The desalinated water is just some welcomed extra.
 Quoting: Anonymous Coward 59440279


this should bring you up to speed


 Quoting: Anonymous Coward 71239151


is that the mushroom guy?
Anonymous Coward (OP)
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Greece
01/15/2016 06:17 PM
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Re: Generate energy + free desalinated water from the ocean at the same time
I was thinking if you could make this much simpler for pure energy generation, by simply attaching the two sides of a stirling engine to the hotter top layer at 25-27C and the colder water at 5C you get from the bottom layer.

I read some stirling engines can operate at a mere 0.5K temperature difference, but i wouldn't know the details and how efficient this would actually be compared to the method discussed in the patent.
Anonymous Coward
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01/15/2016 06:30 PM
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Re: Generate energy + free desalinated water from the ocean at the same time
I was thinking if you could make this much simpler for pure energy generation, by simply attaching the two sides of a stirling engine to the hotter top layer at 25-27C and the colder water at 5C you get from the bottom layer.

I read some stirling engines can operate at a mere 0.5K temperature difference, but i wouldn't know the details and how efficient this would actually be compared to the method discussed in the patent.
 Quoting: Anonymous Coward 59440279


Why not just use the piezo electric thermocouple affect of two dissimilar metals??
Anonymous Coward
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01/15/2016 06:30 PM
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Re: Generate energy + free desalinated water from the ocean at the same time
I was thinking if you could make this much simpler for pure energy generation, by simply attaching the two sides of a stirling engine to the hotter top layer at 25-27C and the colder water at 5C you get from the bottom layer.

I read some stirling engines can operate at a mere 0.5K temperature difference, but i wouldn't know the details and how efficient this would actually be compared to the method discussed in the patent.
 Quoting: Anonymous Coward 59440279


Why not just use the piezo electric thermocouple affect of two dissimilar metals??
 Quoting: Anonymous Coward 71239151


effect
Anonymous Coward
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01/15/2016 06:34 PM
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Re: Generate energy + free desalinated water from the ocean at the same time
op you might like these

Anonymous Coward (OP)
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01/15/2016 06:48 PM
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Re: Generate energy + free desalinated water from the ocean at the same time
op you might like these


 Quoting: Anonymous Coward 71239151


The scientific part of it maybe :D

The devil is in the details however. What is important is that there is a method to get cold ocean water from the bottom of the sea to sea level at almost no cost in energy.

The question is, which method would be the most efficient to generate energy out of those two bodies of water at different temperature.

As for the video you linked, it's quite interesting but not detailed enough to make a judgement about efficiency and how exactly it would be done.
He is talking about water turning into a battery, but how exactly would you do it and where would you attach your cables? According to him you could directly charge a battery or power your house by just connecting the battery/light bulbs etc with two cables with the water.
I would really like to see that experiment happen, not just the theory of it.
Anonymous Coward
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01/15/2016 06:58 PM
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Re: Generate energy + free desalinated water from the ocean at the same time
op you might like these


 Quoting: Anonymous Coward 71239151


The scientific part of it maybe :D

The devil is in the details however. What is important is that there is a method to get cold ocean water from the bottom of the sea to sea level at almost no cost in energy.

The question is, which method would be the most efficient to generate energy out of those two bodies of water at different temperature.

As for the video you linked, it's quite interesting but not detailed enough to make a judgement about efficiency and how exactly it would be done.
He is talking about water turning into a battery, but how exactly would you do it and where would you attach your cables? According to him you could directly charge a battery or power your house by just connecting the battery/light bulbs etc with two cables with the water.
I would really like to see that experiment happen, not just the theory of it.
 Quoting: Anonymous Coward 59440279



Anonymous Coward
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01/15/2016 07:06 PM
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Re: Generate energy + free desalinated water from the ocean at the same time
so basically one electrode next to the hydroscopic substrate and the other electrode some distance from it.

the distance depends on the substrate used.
Anonymous Coward (OP)
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01/15/2016 07:30 PM
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Re: Generate energy + free desalinated water from the ocean at the same time
so basically one electrode next to the hydroscopic substrate and the other electrode some distance from it.

the distance depends on the substrate used.
 Quoting: Anonymous Coward 71239151


Yep, the last video you linked is amazing. Watching it still.

Now the question remaining is how efficient it is both in economic terms if you were to actually build a power generator out of this and how efficient it is in terms of how much sunlight/other light it would actually manage to turn into electricity.

We get about 1000w per m^2 of power shining down on us when the sun is up. How much power would you be able to get out with an area covered with water, making use of this 4th phase?
Anonymous Coward
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01/16/2016 04:21 AM
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Re: Generate energy + free desalinated water from the ocean at the same time
so basically one electrode next to the hydroscopic substrate and the other electrode some distance from it.

the distance depends on the substrate used.
 Quoting: Anonymous Coward 71239151


Yep, the last video you linked is amazing. Watching it still.

Now the question remaining is how efficient it is both in economic terms if you were to actually build a power generator out of this and how efficient it is in terms of how much sunlight/other light it would actually manage to turn into electricity.

We get about 1000w per m^2 of power shining down on us when the sun is up. How much power would you be able to get out with an area covered with water, making use of this 4th phase?
 Quoting: Anonymous Coward 59440279


the key is its not just sunlight, any thermal radiation causes this effect. simply the heat from the environment will make it happen.
Anonymous Coward (OP)
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Greece
01/17/2016 08:32 PM
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Re: Generate energy + free desalinated water from the ocean at the same time
so basically one electrode next to the hydroscopic substrate and the other electrode some distance from it.

the distance depends on the substrate used.
 Quoting: Anonymous Coward 71239151


Yep, the last video you linked is amazing. Watching it still.

Now the question remaining is how efficient it is both in economic terms if you were to actually build a power generator out of this and how efficient it is in terms of how much sunlight/other light it would actually manage to turn into electricity.

We get about 1000w per m^2 of power shining down on us when the sun is up. How much power would you be able to get out with an area covered with water, making use of this 4th phase?
 Quoting: Anonymous Coward 59440279


the key is its not just sunlight, any thermal radiation causes this effect. simply the heat from the environment will make it happen.
 Quoting: Anonymous Coward 71239151


Yes, i can see that, that is why i said sunlight/ other light which includes invisible light, light just being any kind of electromagnetic waves.

However, we do have devices already which work on other than sunlight. Simple example would be keyboards or calculators which keep working with just the energy they get from indoor light.

So again, the question is, how much energy we could get out of this EZ water at which cost.
So it would be nice if the scientists involved would give us some numbers in economical terms.

What i find also interesting is that the scientist in the video is mentioning the conservation of energy as an "if it applies" jokingly.
But who knows.. maybe the energy does not just come from light, but is also linked to the casimir effect. Quantum fluctuations. Far fetched maybe, but you never know.
Would have to do the same experiment in a completely dark room.
And here is the thing. I am pretty sure him obviously being an expert, he has already done just that... BUT he did not tell us anything about it in the video.





GLP