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[Ars] “Microbial battery” could turn wastewater into electricity

post #1 of 9
Thread Starter 
Quote:
Originally Posted by John Timmer 
Most of the material we consider to be waste, from sewage to discarded food, actually contains significant amounts of potential energy in the form of carbon-rich chemicals. The problem is that it's generally diffuse and often present in water-saturated materials, making it impossible to combust without extensive processing.

And, if we ever tried, we'd end up competing with microbes that make a living off extracting energy from those same carbon sources. So in recent years, researchers have been experimenting with microbial fuel cells, where bacteria clustered at an electrode extract carbon from waste metabolize it in a way that releases electrons into the device. Researchers have now developed a new device design that merges features of a battery and a fuel cell to extract more electricity from the bacteria.

“Microbial battery” could turn wastewater into electricity


I'm all for improvements on using our waste, it benefits us here by reducing stench, and will benefit future space travelers who can use this tech to make long trips more comfortable.
Edited by Zen00 - 9/17/13 at 5:34am
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post #2 of 9
broken source?
post #3 of 9
link is just a refresh...
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post #4 of 9
I am always wary when people talk about using water for fuel. They tend to wind up merely turning your money into someone else's account in the caymans. I'll believe in it when it starts powering my house.

They've been trying to do his with pig manure for years. Even with something as energy rich as that there's stlll too much water to make it efficient.
Edited by bombastinator - 9/16/13 at 10:08pm
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post #5 of 9
Just start saving it in jugs now and someday you might be selling it to comed.
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post #6 of 9
The source is a link to this thread frown.gif
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post #7 of 9
Quote:
Originally Posted by N3G4T1v3 View Post

The source is a link to this thread frown.gif

darn you circular logic
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post #8 of 9
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post #9 of 9
Thread Starter 
Source fixed, you can start posting useful comments instead of parroting "it's broken" now.
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