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View Diary: Sea Urchin offers path to Cheap Carbon Sequestration (118 comments)

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  •  How about the huge amounts ..... (2+ / 0-)
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    noemie maxwell, Fantastic

    of naturally occurring calcium ions in "hard" ground water?  

    This is a very encouraging piece of news if as indicated a renewable, nickle catalyzed carbon sequestration technology were developed.

    Labor was the first price paid for all things. It was not by money, but by labour, that all wealth of the world was originally purchased. - Adam Smith

    by boatwright on Wed Feb 06, 2013 at 09:42:24 AM PST

    [ Parent ]

    •  First, it's trivial amounts (0+ / 0-)

      when compared to the amount of CO2 produced by combustion of 'mined" Carbon, and second, there's the energy required to separate what little Calcium there is to be had from that source.

      Oh, and there's nothing "renewable" about the process as described (except for catalyst recovery).  The process requires depletion of one reactant (Calcium) and non-recoverable energy to run it (which may or may not be "renewable" depending on the energy source).

      Fake Left, Drive Right . . . not my idea of a Democrat . . .

      by Deward Hastings on Thu Feb 07, 2013 at 07:00:47 AM PST

      [ Parent ]

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