These Researchers Want to Use Pollution to Make Fuel

Algae/Other Aquatic Organisms/Seaweed, California, Energy, Farming/Growing, Federal Agency, Feedstock, Feedstocks, Infrastructure, New Mexico, R & D Focus, Sustainability

August 30, 2018

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by Bruce Lieberman (Yale Climate Connections) They think nutrients in farm runoff could feed algae for biofuel. — When fertilizer and pesticides run off farmland, they can contaminate waterways with nutrient pollution.

Davis: “A classic example is the Mississippi Basin.”

That’s Ryan Davis of Sandia National Laboratories. He says a lot of the nitrogen and phosphorus that’s applied to agriculture in the Great Plains runs off into waterways that drain into the Gulf of Mexico. Those nutrients cause an enormous algae bloom every year.

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But algae can serve a useful purpose.

Davis: “It can be a great fuel source.”

Growing algae commercially for biofuel is expensive, in part because nutrients must be added. So at a pilot site in California, Davis and his team are using the excess nutrients from farmland runoff to grow algae for biofuel.

Davis: “What we’re proposing is to capture those nutrients in an engineered algae cultivation in an efficient way before they get released into the larger environment and can cause harm.”

By coupling the clean-up of nutrient pollution with biofuel production, they hope to make both processes more cost-efficient. And if scaled up, that means more clean water and clean fuel. READ MORE includes AUDIO

The good, the bad and the algae (Sandia National Laboratory)

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