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Researchers are continuing to develop strains of algae that yield a greater volume of oily compounds that can be processed into biofuels.
But as more new and established companies examine how to scale up lab processes to commercial levels, scientists and engineers seem to be finding that standalone operations may not be economically viable. Co-locating algae farms with other industrial facilities could be one strategy that makes algal biofuels pay.
Typical algae strains use sunlight and water to convert carbon dioxide into lipids. Nutrients such as nitrogen and phosphorus can boost production, depending on the process. At prototype scales, supplying the “inputs” is not a problem, but at industrial scales, large quantities will be needed. Plentiful sources of CO2 and other nutrients are not readily available in many places, and even where they are, purchasing them at market prices could make algal biofuels too expensive.
The answer? Turn the waste from other industries into a resource for this new one, helping to solve the waste problem at the same time. With or without realizing it, various scientists speaking at the American Association for the Advancement of Science annual conference, which wraps up here today, were promoting the notion that algae operations should be located next to industries that can supply one or more of the nutrient streams.
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1 Comments
bcole
Algae is renewable, does not affect the food channel and consumes CO2. It is one solution to help the US get off of foreign oil, create jobs and become energy independent. To learn more about the fast track commercialization of the algae production industry you may want to check out the the National Algae Association.