I presume Prof. Schuiling is in touch with Peter Kelemen at Columbia, who is actively pursuing this work?
http://magazine.columbia.edu/features/fall-2013/carbon-eaters On Tuesday, December 23, 2014 6:40:17 AM UTC-5, andrewjlockley wrote: > > Poster's note : Attached is an unpublished Schulling paper for comment, > circulated with the author's permission. NB this has not been through peer > review. I suggest the metal spheres method would be much less effective > than using a solar mirror trough or vacuum tube for heating. However, > blasting and grinding olivine before dumping in on or near beaches seems to > me a far more practical method overall. > > Injection of seawater into Oman ophiolites to capture CO2 > > R.D.Schuiling > > Abstract > The Semail nappe in Oman is the largest ophiolite complex in the world. > Mineral carbonation of their olivine could play a role in the reduction of > CO2 levels in the atmosphere. In this paper it is proposed to split the > reaction of the olivine and the capture of CO2 in two parts. The first part > is the reaction of seawater which must be injected in olivine-rich rocks, > by which the water becomes alkaline. The water must not be drawn from the > Indian Ocean directly, but from a shallow lagoon connected to the Indian > Ocean. By covering this lagoon with a layer of floating black hollow > metallic spheres, the inlet water is pre-heated, causing the rate of > reaction to increase. The second part is the uptake of CO2 from the > atmosphere by these high pH waters. Many saline springs in the Oman > ophiolites have extremely high pH-values up to pH 12, showing that the > proposed process is already operating at a modest scale in nature. > > Keywords: Oman; Semail ophiolites; Seawater injection; CO2 sequestration. > -- 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.
