High capital costs are the biggest problem with bioreactors…
Solazyme is pursuing a third path, one I find especially fascinating: growing algae in the dark in large tanks and feeding them sugar to supercharge their growth. “It’s a thousand times more productive than the natural process,” said Harrison Dillon, a geneticist and patent lawyer who serves as the company’s president and chief technology officer.
Solazyme says it has already made thousands of gallons of high-grade biodiesel and even light sweet “biocrude” with its processes, which can use anything from chemical waste to wood chips as a source of carbon.
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