Carbon Dioxide Capture, Utilization & Sequestration Technical Section

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Direct Air Capture (DAC)

  • 1.  Direct Air Capture (DAC)

    Posted 05-15-2023 11:56 AM

    Hello, 

    I am curious if there is any interest in Direct Air Capture in the CCS/CCUS or other SPE communities? Would it make sense to have a sub-group within the CCS/CCUS TS since many DAC companies are working with CCS/CCUS companies for transportation and sequestration?

    I look forward to your responses. Thank you.



  • 2.  RE: Direct Air Capture (DAC)

    Posted 05-16-2023 06:12 AM
    I am curious

    Chief Akpabio Esien




  • 3.  RE: Direct Air Capture (DAC)

    Posted 05-18-2023 11:05 AM
    I would also be keen to get involved.

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  • 4.  RE: Direct Air Capture (DAC)

    Posted 05-16-2023 10:12 AM
    Thanks for seeking option /interest on above topic ,It will be my pleasure
    if a sub group is created within CCS?CCUS TS.
    Dr S.K.Nanda Member SPE,1984




  • 5.  RE: Direct Air Capture (DAC)

    Posted 05-17-2023 12:23 AM

    Dr Nandra, 
    I fully endorse your suggestion for creating a Sub Group 



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  • 6.  RE: Direct Air Capture (DAC)

    Posted 05-17-2023 07:24 AM

    That sounds great - what is the process to create the sub group? I know within the WITS we have a WG for casing deformation that works through the TS, would this be the same concept?




  • 7.  RE: Direct Air Capture (DAC)

    Posted 05-18-2023 07:08 AM
    I am absolutely for the creation - I am involved in the early stages of a project that ultimately will demand a broad expansion of the learning curve in this and tangent areas - in years of research on this topic I can assure you that we are behind the curve on this subject - in my humble opinion.




  • 8.  RE: Direct Air Capture (DAC)

    Posted 05-18-2023 02:35 AM

    I would also be interested in joining a subgroup on DAC.




  • 9.  RE: Direct Air Capture (DAC)

    Posted 05-19-2023 02:56 AM

    Hi Valerie,
    My 2-cts.
    Could do... but is there a real need? Can't the various aspects of CCUS be treated under the same forum (just to keep things simple). Also, if we create too many branches they may require maintenance, or might need to be trimmed.

    Why don't you start a technical thread and see where it takes you? ;)

    DAC could easily become part of the general discussion - and so would flue gas capture and treatment (there aren't many full scale projects).

    Best rgds




  • 10.  RE: Direct Air Capture (DAC)

    Posted 05-20-2023 10:59 AM

    I agree with Pierre-Edouard.




  • 11.  RE: Direct Air Capture (DAC)

    Posted 05-21-2023 12:32 AM
    Capture is about separating CO2 from "the rest", this could be CH4, or often N2 plus some O2. In the case of direct air capture we are at the extreme low concentration end for CO2, about 400ppm. Take a look at figure 5 of my 2018 book on CCS (https://iopscience.iop.org/book/mono/978-0-7503-1581-4.pdf). It is a continuum, and can be parameterised along lines of pressure and concentration. So I support keeping things together.

    Owain




  • 12.  RE: Direct Air Capture (DAC)

    Posted 05-22-2023 10:45 AM

    Yes I agree with Pierre-Edouard as well.




  • 13.  RE: Direct Air Capture (DAC)

    Posted 05-22-2023 02:13 AM
      |   view attached

    One aspect of any plan to capture CO2 must be to differentiate CO2 emissions from CO2 in the atmosphere. IPCC claims that ~50% of emissions are sequestrated naturally by the biosphere and oceans; which means that to remove 1 ppm (7,800 million tons of CO2) from the atmosphere, we would have to capture 2 ppm of emissions (15,600 million tons). Note that 7,800 million tons of CO2 is, in volume, more than the entire global production of natural gas. To be effective at lowering atmospheric levels of CO2  by capturing emissions will thus be a herculean task in cost, effort and effect.




  • 14.  RE: Direct Air Capture (DAC)

    Posted 05-28-2023 02:52 PM

    Thanks to everyone for their contribution to this discussion. I am going to reach out to the CCUS TS leadership to discuss options to keep this topic front and center and Carbon management continues to progress. 




  • 15.  RE: Direct Air Capture (DAC)

    Posted 05-29-2023 10:59 AM
    Greetings all.

    The way the Technical Section is constructed, we have leeway to cover anything within the CCUS space - direct air capture included. What I haven't seen is what around the topic of air capture this invested group wishes to engage upon. Is there something we can do or do you merely wish to keep the DAC thread open? Is there an idea for a webinar? Is there a concept for an applied technology workshop or a forum? All technical sections are grass roots-driven and I love the engagement. So, let's "capture" this enthusiasm and direct it beneficially.

    Looking forward to seeing your ideas.

    Best,
    George

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