• ExcessShiv@lemmy.dbzer0.com
    link
    fedilink
    English
    arrow-up
    17
    ·
    5 hours ago

    Sustainable energy is the key to making the Aircela machine practical and cost-effective. Running it on the grid from coal or natural gas power plants defeats the purpose of removing carbon from the air, and the electricity will cost more, too.

    The company themselves even state that this is supposed to be driven by solar/wind, otherwise it makes no sense. This is regular PtX but in SFF for modular small scale deployment.

    • rmuk@feddit.uk
      link
      fedilink
      English
      arrow-up
      4
      ·
      4 hours ago

      Yeah, put these in Iceland, Scotland or the Sahara where there’s virtually unlimited zero-carbon power available and they make a world of sense.

      • cmhe@lemmy.world
        link
        fedilink
        English
        arrow-up
        1
        ·
        edit-2
        1 hour ago

        Carbon dioxide needs to be captured were there is a lot of carbon dioxide in the air. So especially around cities with lots of car traffic, or around fossil fuel power plants…

        So… It would be better to stop car traffic and fossil fuel power plants first, before doing carbon capture. And the purpose of that should be, making the air cleaner. And putting that carbon back into a less environmental damaging state.

        • Womble@piefed.world
          link
          fedilink
          English
          arrow-up
          2
          ·
          15 minutes ago

          CO2 doesn’t vary much in concentration by how close you are to an emission source unless you are literally sucking air out of a tailpipe. You might get a 10-20% increase in the centre of a city instead of the countryside, hardly enough to make up for being somewhere with so much energy coming in that they frequently have to curtail it (which could then be used for this instead).

          This isnt CCS which cheaply turns CO2 into an inert form of carbon, its an expensive process for turning CO2 into a very useful form.