Here in NCL, scientists are experimenting with carbon capture meadows, where stony rubbish + plants provides a substrate/calcium + energy/biome for carbon-> calcium carbonate fixation on Brownfield i.e. Post-Industrial landsites. (the science is in infancy)
NCL is aslo the centre of Coal -> Biochar revolution
https://www.ncl.ac.uk/press/articles/archive/2016/12/carboncapture/
"Carbonation involves the combination of calcium – which is abundant in brownfield soils that contain demolition wastes such as concrete dust and lime – with atmospheric CO2 to form calcium carbonate (calcite).
But whereas the large amounts of organic carbon locked away in peatlands have accumulated very slowly, inorganic carbon in calcite can form very rapidly in brownfield soils, making them more useful in cutting atmospheric CO2."
Cheers
B
On Fri, Sep 21, 2018 at 8:21 PM Nathan McCorkle <nmz787@gmail.com> wrote:
On Fri, Sep 21, 2018 at 11:49 AM Tito <titojankowski@gmail.com> wrote:
>
> Hi everybody,
> Anyone here interested in direct air capture for carbon removal? https://www.fastcompany.com/40510680/can-we-suck-enough-co2-from-the-air-to-save-the-climate
>
> The current generation of tech is chemical engineering. I'm curious what solutions biology might offer. Figured some people on this list might be thinking about it already.
>
> Thoughts?
Seems like to meet the desired CO2 target levels in reasonable time
period, biology is going to be too slow.
Something I don't know is how long the past (pre-human) era of
high-CO2 lasted in time... was it sufficient to enable evolutionary
selection/optimization of fast CO2 consumers?
It seems fast CO2 capture has already been on scientists' and
engineers' minds for some time, for example in the forestry and
agriculture fields. I remember an internship I almost accepted years
ago at ORNL, where they were looking at the microbiome (among other
things) of Poplar because it grows quite fast, and that would be a
boon to people wanting wood for product manufacturing.
It seems to me the best solution would be hooking up a clean/green
nuclear plant to an industrial-scale CO2 chemical capture system. If
we could figure out a way to produce something more-dense than water,
then we could just start dumping diamonoids into a pile at the bottom
of the ocean, etc.
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Brian Degger
Brian Degger
twitter: @drbrian
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