Just to back up a bit, what exactly qualifies as DAC?Greg
From: Klaus Lackner <[email protected]>
To: "[email protected]" <[email protected]>; David Sevier
<[email protected]>
Cc: Andrew Lockley <[email protected]>; geoengineering
<[email protected]>
Sent: Monday, September 18, 2017 11:47 AM
Subject: Re: [geo] nuclear powered DAC
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{}#yiv8818218149 Yes, it could be used to provide low grade heat. Particularly
in remote areas. Whether it is cheap enough is not clear to me. From:
<[email protected]> on behalf of Peter Eisenberger
<[email protected]>
Reply-To: Peter Eisenberger <[email protected]>
Date: Monday, September 18, 2017 at 7:25 AM
To: David Sevier <[email protected]>
Cc: Andrew Lockley <[email protected]>, geoengineering
<[email protected]>
Subject: Re: [geo] nuclear powered DAC Cogenerating DAC and nuclear power if
nuclear power produces low cost electricity where the low temperature heat such
facilities struggle to get rid of is used to run DAC makes alot of sense. Not
sure that their are not lower cost ways to generate low temperature heat. By
the way something not mentioned much is nuclear fusion. Once nuclear fusion
(mimicking solar reactions of the sun on the earth ) is proven commercially
removing enfvironmental and other issues that plaqued fission reactions alot of
the issues of the 24x7 dispatchable renewable energy grid go away by using some
mixture of nuclear power and solar/wind . I beleive in the long term fusion
will be a major source of our energy. On Mon, Sep 18, 2017 at 5:34 AM,
David Sevier <[email protected]> wrote:
In light of the thermal energy burden, I am wondering if you could combine a
small nuclear pile such as a small modular swimming pool reactor (once
described as the only nuclear power plant design that anyone ever made profit
from) as a heat source without generating electricity with DAC. A number of DAC
processes need heat either at or below 1000C. A small nuclear reactor should be
able to supply this. If the requirement to raise steam and generate electricity
are removed, the cost of the plant and the cost per KWH of heat should be
significantly lower. Such an operation would not make sense in the early years
of DAC but later when scale up becomes much larger and the world gets serious
about DAC, then this could make sense. Look forward to comments and discussion.
Swimming pool reactors had a good safety record (as far as I am aware), were
not that expensive to build and were not terrible to decommission. David
Sevier Carbon Cycle Limited 248 Sutton Common Road Sutton, Surrey SM3 9PW
England Tel 44 (0)208 288 0128 Fax 44 (0)208-288 0129 This email is private
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