Designing a microbe is only half of Joule's work. The other is making bioreactors, such as this one now being tested at a facility in Texas. The cyanobacteria are designed to secrete a fuel, which naturally separates from the solution it grows in and is extracted from the top of the bioreactor. Water and carbon dioxide from a power plant or wastewater facility is pumped in from the bottom and circulated through the other bioreactors. Scaling up should be straightforward because it simply means building more of the same types of reactors.
March 25, 2011 4:00 AM PDT
Photo by: Joule Unlimited
| Caption by: Martin LaMonica
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