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  1. Standard memberbadradger
    Dandy Highwayman
    the pie shop
    Joined
    09 Sep '18
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    16926
    15 Nov '20 14:07
    burning fine ground iron provides clean renuable energy.
  2. Subscribersonhouse
    Fast and Curious
    slatington, pa, usa
    Joined
    28 Dec '04
    Moves
    53114
    15 Nov '20 14:46
    @badradger
    And with catalyst action can be turned back to iron.
    Kind of like hydrogen comes from water and the exhaust turns back into water.
  3. SubscriberPonderable
    chemist
    Linkenheim
    Joined
    22 Apr '05
    Moves
    579970
    16 Nov '20 11:25
    @badradger said
    burning fine ground iron provides clean renuable energy.
    How much eneryg do you use to reduce iron oxide into iron and how much can you win back?

    This is more of an Engineering Problem of course
  4. Subscribersonhouse
    Fast and Curious
    slatington, pa, usa
    Joined
    28 Dec '04
    Moves
    53114
    16 Nov '20 18:11
    @Ponderable
    https://newatlas.com/energy/bavarian-brewery-carbon-free-renewable-iron-fuel/

    This piece says they would use solar energy to turn the rust back into iron.

    Don't know the energy requirement for that but it would be renewable energy.
  5. Joined
    22 Sep '20
    Moves
    2987
    16 Nov '20 18:28
    Cost is the issue.
    New tech takes time and money.
    The article didn't say anything about how much it would cost to use this tech to power an entire city or how long it would take to build a plant big enough for a practical use.
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