[geo] Re: Rocks to Rockets, Simple Stuff.

2014-02-22 Thread Keith Henson
Cost context from private email (Olaf OK'ed posting) On Thu, Feb 20, 2014 at 12:53 AM, Schuiling, R.D. (Olaf) r.d.schuil...@uu.nl wrote: Well, these data are easy As the weathering reaction is Mg2SiO4 + 4 CO2 + 4 H2O -- 2 Mg2+ + 4 HCO3-+ H4SiO4. It means that 140 gram of olivine neutralize

[geo] Re: Rocks to Rockets, Simple Stuff.

2014-02-22 Thread Ronal W. Larson
Keith and ccs: Yesterday, you wrote: PS. Biochar is a good idea in any case. It would be even better if the heat to make it came from a cheap renewable source and the off gas collected to make transport fuel. Both of your hopes are already standard (indeed mandatory if you

[geo] Re: Rocks to Rockets, Simple Stuff.

2014-02-22 Thread Keith Henson
On Sat, Feb 22, 2014 at 1:35 PM, Ronal W. Larson rongretlar...@comcast.net wrote: Keith and ccs: Yesterday, you wrote: PS. Biochar is a good idea in any case. It would be even better if the heat to make it came from a cheap renewable source and the off gas collected to make transport

[geo] Re: Rocks to Rockets, Simple Stuff.

2014-02-22 Thread Ronal W. Larson
Keith etal I respond below in bold, with [RWL: On Feb 22, 2014, at 7:23 PM, Keith Henson hkeithhen...@gmail.com wrote: On Sat, Feb 22, 2014 at 1:35 PM, Ronal W. Larson rongretlar...@comcast.net wrote: Keith and ccs: Yesterday, you wrote: PS. Biochar is a good idea in any case. It