[Terrapreta] Catching Carbon

[William Carr]

On May 25, 2008, at 1:00 PM, terrapreta-request at bioenergylists.org  
wrote:

>> I know that scrubbing the CO2 out of coal burning is an extremely
>> controversial idea. I'm not a supporter but I found this article very
>> interesting:
>>
>> http://www.guardian.co.uk/environment/2008/may/24/carbonemissions.climatechange1
>>
>> It triggered a question: if such a technology were to become  
>> feasible,
>> might it be possible somehow to convert the scrubbed CO2 to char for
>> soil rather than deep-burying it in the ground?
>
> Yes, this can be done. It just takes energy to do it. A lot of energy.
>
> The cute way to do it is to plant stuff, and when it grows, using free
> solar energy, you then char it.

Actually, this isn't so difficult.   The oil from algae process has  
shown that algae can be grown in Lexan tubes, and it seems to love  
flue gas.


Squeeze the algae for the oil, and char the leftovers.