I am interested in recent plausible cost estimates of methods to remove CO2 from the atmosphere whether they are chemical, mechanical, biotic, or other.
On Sun, Aug 31, 2014 at 2:41 PM, Greg Rau <[email protected]> wrote: > OK, then do the attached (with $ estimates) count? "Chemical engineering > processes" potentially cover a lot of ground, including biochemical, > geochemical, and electrochemical CO2 removal (?) I assumed that DAC only > referred to abiotic CO2 removal where conc CO2 was the end product. > Greg > > > > ------------------------------ > *From:* Andrew Lockley <[email protected]> > *To:* Greg Rau <[email protected]> > *Cc:* geoengineering <[email protected]> > *Sent:* Saturday, August 30, 2014 11:50 AM > *Subject:* RE: [geo] Re: what's new on cost estimates for DAC CDR? > > Mechanical / chemical engineering processes, eg as per Keith, Lackner, > etc. > A > On 30 Aug 2014 18:37, "Rau, Greg" <[email protected]> wrote: > > What qualifies as "DAC CDR"? > > Greg > ------------------------------ > *From:* [email protected] [[email protected]] > on behalf of Fred Zimmerman [[email protected]] > *Sent:* Friday, August 29, 2014 7:02 PM > *To:* Mark Capron > *Cc:* [email protected]; geoengineering > *Subject:* Re: [geo] Re: what's new on cost estimates for DAC CDR? > > There are summaries of cost estimates in several of the articles > referenced in this thread. There are values reported at pretty much every > stop between $45 and $1000/ton. I am not sure that I find any of the > estimates convincing as yet. I wonder if the size of global demand > (whether industrial or governmental) is a bigger problem than cost. > > > On Fri, Aug 29, 2014 at 8:56 PM, <[email protected]> wrote: > > Charlie, > > You mean a table or something like an updated McLaren chart > <http://http//oceanforesters.org/References.html>, > http://oceanforesters.org/References.html. The chart is at the bottom of > the page. Duncan McLaren has produced this chart for a few years. His > "2012 A comparative assessment..." (link near top of the same page) was > published in the same journal with "Negative carbon via Ocean > Afforestation." > > Mark E. Capron, PE > Ventura, California > www.PODenergy.org > > > -------- Original Message -------- > Subject: [geo] Re: what's new on cost estimates for DAC CDR? > From: Charlie Zender <[email protected]> > Date: Thu, August 28, 2014 1:51 pm > To: [email protected] > > Fred, > > It would be a great contribution if you synthsized your review into a > table of DAC CDR cost estimates which we could all view. > > Best, > Charlie > > On Monday, August 25, 2014 10:17:58 PM UTC-7, Fred Zimmerman wrote: > > Hi -- > > I am updating a literature review on cost estimates for DAC CDR and I am > wondering what has changed both empirically and analytically since the > flurry of papers in 2011-2013 with APS, House, Keith, Lackner et al. > > > Fred Zimmerman > Ann Arbor, Michigan, USA > "a fox, not a hedgehog" -- Isaiah Berlin > > -- > You received this message because you are subscribed to the Google Groups > "geoengineering" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > Visit this group at http://groups.google.com/group/geoengineering. > For more options, visit https://groups.google.com/d/optout. > > > -- > You received this message because you are subscribed to the Google Groups > "geoengineering" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > Visit this group at http://groups.google.com/group/geoengineering. > For more options, visit https://groups.google.com/d/optout. > -- > You received this message because you are subscribed to the Google Groups > "geoengineering" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > Visit this group at http://groups.google.com/group/geoengineering. > For more options, visit https://groups.google.com/d/optout. > > -- > You received this message because you are subscribed to the Google Groups > "geoengineering" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > Visit this group at http://groups.google.com/group/geoengineering. > For more options, visit https://groups.google.com/d/optout. > > > -- > You received this message because you are subscribed to the Google Groups > "geoengineering" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > Visit this group at http://groups.google.com/group/geoengineering. > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "geoengineering" group. 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