SeaCURE

[Michael GilliganParticipant @michaelgilligan61133]

This greatly simplified graphic appears in a BBC News item:

There is much more detail available at: https://sites.exeter.ac.uk/seacure/the-technology/

… but my question concerns that glibly-titled red box !

Can one of our clever participants please give even a very rough estimate of what that storage might comprise in reality, and what it might cost ?

MichaelG.

[Thor 🇳🇴Participant @thor]

Well, some carbon-dioxide can be stored by pumping it down into partially depleted oil wells to extract more oil (which will create more greenhouse gases when it is burned). Some may be stored deep underground in rocks saturated with salty water. Don’t know how expensive, but I doubt it will be cheap.

Thor

[Norman BillinghamParticipant @normanbillingham91454]

I think that project is aimed more at investigating the feasibility and economics of CO2 capture from the sea, as opposed to the air, rather than the fate of the recovered CO2.

There’s a pretty up-to-date review of what might be done with captured CO2 here:

https://www.sciencedirect.com/science/article/pii/S2666845924002010

All very much in its infancy and likely to be energy expensive

[Michael GilliganParticipant @michaelgilligan61133]

Thanks for the link, Norman … I have downloaded that paper to read this evening.

Yes, I appreciate the scope of the SeaCURE project: but that red box did remind me of a joke flowchart which included a box labelled “and then a miracle happens”

MichaelG.

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