Comments by "Neolithic Transit Revolution" (@neolithictransitrevolution427) on "Sabine Hossenfelder"
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@karmo0o178 there is an ammonia cell that's been demonstrated and is being commercialized in Denmark that has as low an energy as a state of the art Methane to ammonia plant, no Carbon Capture included. It uses more electrical energy, whereas the methane plant uses mainly thermal, and that's arguably less expensive, although peak solar or wind energy prices change that. Now, are likely producing in a Gulf state, for cheapest possible solar energy, so you're competing against very inexpensive NG.
Imo it (or something very like it) is going to be one of the top 10 most important technologies of the next 30 years. It would even work alongside something like fusion. One of my biggest questions on the future is what we'll do with all the extra available oxygen.
If you're interested, it works by using a solid oxide electrolysis cell to seperate the Oxygen from a mix of steam and air. Oxygen from the air moves across the Membrane, and water breaks down into hydrogen and oxygen, which also crosses the membrane. The mix of hot Hydrogen and the nitrogen still in the air can then directly be converted to ammonia, switch saves money on not requiring an Air seperation unit to remove the oxygen from the air and having to produce green hydrogen seperately to then react converting the operation to a single stage. Look up Haldor Topsoe if interested.
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