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Innovation

Photos: How ORNL turns leaves into biofuel

By Conner Forrest November 20, 2015, 10:59 AM PST

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Photos: How ORNL turns leaves into biofuel

Populus leaf

Image: Oak Ridge National Laboratory, U.S. Dept. of Energy

Populus leaf

A lot goes into the process of turning plant materials into fuel. Here’s a look at Oak Ridge National Laboratory’s work in biofuels.

This is a close-up of a Populus deltoides leaf. Chloroplasts in the leaves have chlorophyll which captures and converts CO2 during the photosynthesis process.

Image: Oak Ridge National Laboratory, U.S. Dept. of Energy
Photos: How ORNL turns leaves into biofuel

Samples

Image: Oak Ridge National Laboratory, U.S. Dept. of Energy

Samples

These processed Populus deltoides samples help researchers determine which genetic lines are best for fuel production. In the background are live Populus seedlings.

Image: Oak Ridge National Laboratory, U.S. Dept. of Energy
Photos: How ORNL turns leaves into biofuel

The greenhouses

Image: Oak Ridge National Laboratory, U.S. Dept. of Energy

The greenhouses

This is the ORNL Plant Science lab. According to the department’s website, each greenhouse has 1500 sq feet of floor space and 675 sq feet of bench space.

Image: Oak Ridge National Laboratory, U.S. Dept. of Energy
Photos: How ORNL turns leaves into biofuel

Eastern Cottonwoods

Image: Oak Ridge National Laboratory, U.S. Dept. of Energy

Eastern Cottonwoods

Graduate student Alina Campbell tends to these Eastern Cottonwoods by removing damaged leaves.

Image: Oak Ridge National Laboratory, U.S. Dept. of Energy
Photos: How ORNL turns leaves into biofuel

Fermentation research

Image: Oak Ridge National Laboratory, U.S. Dept. of Energy

Fermentation research

The fermentation process helps produce the ethanol, which is used in biofuels.

Image: Oak Ridge National Laboratory, U.S. Dept. of Energy
6-algae.jpg
6-algae.jpg
Photos: How ORNL turns leaves into biofuel

Algae

Algae

Algae is being investigated as a potential base for biodiesel.

Photos: How ORNL turns leaves into biofuel

Another look at fermentation

Image: Oak Ridge National Laboratory, U.S. Dept. of Energy

Another look at fermentation

Kelsey Yee controls the Applikon fermenters to determine the performance of a specific microorganism.

Image: Oak Ridge National Laboratory, U.S. Dept. of Energy
Photos: How ORNL turns leaves into biofuel

The ethanol compatibility test chamber

Image: Oak Ridge National Laboratory, U.S. Dept. of Energy

The ethanol compatibility test chamber

This test chamber tests the compatibility of materials such as metals and polymers with ethanol fuel blends.

Image: Oak Ridge National Laboratory, U.S. Dept. of Energy
Photos: How ORNL turns leaves into biofuel

Populus trichocarpa

Image: Oak Ridge National Laboratory, U.S. Dept. of Energy

Populus trichocarpa

Brock Carter labels various Populus trichocarpa samples based on their genotype.

Image: Oak Ridge National Laboratory, U.S. Dept. of Energy
Photos: How ORNL turns leaves into biofuel

Arabidopsis tray

Image: Oak Ridge National Laboratory, U.S. Dept. of Energy

Arabidopsis tray

Postdoctoral researcher Anthony Bryan takes a look at some Arabidopsis in the BioEnergy Science Center at ORNL.

Image: Oak Ridge National Laboratory, U.S. Dept. of Energy
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By Conner Forrest
Conner is a former Senior Editor for TechRepublic. He is now a Senior Research Analyst at 451 Research.
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