Re: [geo] Swanson's law

2017-09-19 Thread Charles Greene
Hi Andrew: A combination of marine microalgae production and BECCS makes sense in certain locations, and a combination of marine microalgae production and DAC makes sense in other locations, especially arid subtropical regions. We have a manuscript on the former that will soon be submitted. Ch

Re: [geo] Swanson's law

2017-09-18 Thread Klaus Lackner
Eisenberger Reply-To: Peter Eisenberger Date: Sunday, September 17, 2017 at 10:49 AM To: "mmacc...@comcast.net" Cc: "Hawkins, Dave" , "andrew.lock...@gmail.com" , geoengineering Subject: Re: [geo] Swanson's law I agree with this 100% On Sun, Sep 17,

Re: [geo] Swanson's law

2017-09-17 Thread Greg Rau
Greg From: Charles Greene To: Peter Eisenberger Cc: mmacc...@comcast.net; "Hawkins, Dave" ; "andrew.lock...@gmail.com" ; geoengineering Sent: Sunday, September 17, 2017 11:14 AM Subject: Re: [geo] Swanson's law Co-locating DAC and PV or concentrated solar

Re: [geo] Swanson's law

2017-09-17 Thread Charles Greene
Co-locating DAC and PV or concentrated solar with commercial-scale, marine microalgae production facilities would provide onsite supply of electricity and CO2 without the release of any additional emissions of fossil carbon. In addition to producing fossil carbon-neutral liquid fuels and nutriti

Re: [geo] Swanson's law

2017-09-17 Thread Peter Eisenberger
I agree with this 100% On Sun, Sep 17, 2017 at 7:14 AM, Michael MacCracken wrote: > A problem at present is that present high-voltage/alternating current > distribution lines mean that low-cost transmission of electricity is > limited to a few hundred miles, so one would have to disperse DAC. If

RE: [geo] Swanson's law

2017-09-17 Thread Peter Flynn
:15 AM *To:* dhawk...@nrdc.org; andrew.lock...@gmail.com *Cc:* geoengineering *Subject:* Re: [geo] Swanson's law A problem at present is that present high-voltage/alternating current distribution lines mean that low-cost transmission of electricity is limited to a few hundred miles, so one

Re: [geo] Swanson's law

2017-09-17 Thread Michael MacCracken
A problem at present is that present high-voltage/alternating current distribution lines mean that low-cost transmission of electricity is limited to a few hundred miles, so one would have to disperse DAC. If instead there were large-scale high-voltage/direct current distribution lines (see Mac

Re: [geo] Swanson's law

2017-09-17 Thread Hawkins, Dave
Using stranded renewable energy for DAC is an interesting idea. Question is what energy resource will be used during periods when there is no surplus RE? If DAC does not run 24/7 its costs go up. If DAC uses RE to run 24/7, that requires a larger RE system with associated stranding. If DAC uses