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Isn't your O2/Air engine working off a concentration gradient just as the osmotic power engine? Your use of “potential energy difference” is a bit to nebulas – However, Delta G, Gibbs free energy, difference between pure O2 and O2/N2 (read - air) mixture is still zero as both are in their “standard states”. The more I think about this the less potential I give it of doing any real work. |
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I like the idea. There is something here but not clear what. |
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where are you getting he pure gas? Since this will inevitably yield less energy than the process required to purify the gas... |
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halb gekocht, if there is no gradient between pure O2 and air, then it should take zero energy to separate O2 from air. Since it *does* take energy to separate O2 from air, then there should exist a process which recovers fraction of that energy whilst (re)combining them. |
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WcW, I'm not proposing that this would be "free energy." I realize that less energy can be derived from mixing pure O2 with air, than was consumed separating it. But, in certain circumstances, we might have a ready supply of nearly pure "waste" O2... for example, when performing electrolysis of hydrogen. |
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