Blue-Green Algae Holds Promise for Commercially-Made Fuels, Plastics
January 8, 2013 10:23 AM
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The algae created a chemical that can make plastics, fuels, paints, etc. without fossil fuels
known as cyanobacteria has produced the largest amount of chemicals for fuels and plastics yet, moving the method closer to commercial development.
The study was conducted by
University of California, Davis
, researchers, which were led by Shota Atsumi. Atsumi is an assistant professor of chemistry at UC Davis.
Currently, fossil fuels are used as raw materials in the chemical industry. But fossil fuels are problematic for the environment, and the U.S. Department of Energy is looking to grab industrial chemicals from biological processes instead. In fact, it wants 25 percent of industrial chemicals to come from biological processes by 2025.
This is where
comes in. The biological reactions create carbon-carbon bonds, which use carbon dioxide as a material for sunlight-powered reactions.
To get the exact reactions needed for the cyanobacteria to create chemicals, the researchers looked up enzymes that would give them their desired results and transplanted the DNA of these enzymes into the cells.
From there, they built a three-way pathway where the cyanobacteria can convert carbon dioxide into 2,3 butanediol. This chemical is capable of creating plastics, fuels, paints, etc.
After only three weeks, the cyanobacteria produced the highest amount of chemicals grown by cyanobacteria yet -- 2.4 grams of 2,3 butanediol per liter of growth medium.
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RE: Good Science
1/8/2013 1:51:20 PM
yeah, well, they aren't doing such a good job of it right now.
2.4 grams of 2,3 butanediol per liter of growth medium
At this rate, it would take a full warehouse of the stuff to provide enough plastic to cover the plastic containers from my frozen meals. Scale that up to the 300 million+ people in this country and it would take covering the country 2 miles deep in the stuff to provide us plastics. Scale that up for the world, and we'd all be 6 miles deep in the stuff.
RE: Good Science
1/8/2013 2:08:46 PM
Sure its in its infancy its still right minded with a potential for net gain vs idiotic ethanol,wind or solar schemes that can't exist without subsidies in the total energy picture.
"And boy have we patented it!" -- Steve Jobs, Macworld 2007
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