"I love that you've brought this to attention. An extensive database of uncommon but resistant and hardy plants/foods could be developed and organized by climate. Ease of growth and processing should also be taken in to account. I will try to…"
A crash course in changing the world.
BEER BATTERY
Electricity from beer? It may sound like a farfetched idea but a partnership between Foster’s Brewery and the University of Queensland in Australia and
the University of Ghent in Belgium has produced it. The
"beer battery," is actually a microbial fuel cell (MFC). The fuel cell
uses sugar-consuming bacteria to generate power from waste water
produced in the brewing process. The bacteria consume the organic
matter in the brewery’s waste water, breaking down alcohol, starch and
sugar. The byproducts from the process are electricity, clean water and
carbon dioxide.
The study was funded by a Queensland Government Sustainable Energy Innovation Fund Grant (about $115,000 U.S. dollars) and a grant from
the Australian Research Council (for a little more than 1 million U.S.
dollars).The university’s prototype MFC was 10 liters, or 2.6425
gallons, but the final cell, to be installed at Foster’s brewery, will
hold 660 gallons. The MFC will likely produce 2 kilowatts of power, or
enough to power an average home.
Views: 72
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Comment by ben on March 25, 2010 at 10:20pm
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Why am I not surprised that Australia and Belgium have come up with this! How adaptable/transferable is this solution to other industries? Can any old organic waste be used or does it specifically have to be brewing based?
Great idea, well worth +1 for KS
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Comment by Per-Erik Daniel Eriksson on March 25, 2010 at 10:30pm
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Oh, I really like it. I have a question, though. Is this better than using anaerobic bacteria to produce methane from biological waste? In Sweden, that is already being done, and methane is used for district heating or purified to be used in cars. Maybe it's possible to find more on this if we dig deeper.
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Comment by Maarten Pakvis on March 25, 2010 at 10:42pm
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I really like that it can be incorporated within another company, reducing waste and providing energy!
Guess the Dutch brewery's have something to install when the tests are succesfull!
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I'd also like to stress the importance of treating waste waters in one way or the other to reduce biolocigal oxygen demand (often reffered to as BOD). Sweden has many paper mills and before waste water treatment was introduced many of our lakes were literally suffocated. The area around Lake Vänern, Sweden's biggest and Erope's third biggest lake, is called the Paper Province and parts of the lake was completely dead except for micro organisms some decades ago. Now it has recovered and is in an excellent condition.
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Comment by Aaron Freeman on March 25, 2010 at 10:58pm
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I love that it helps the environment, produces energy and maybe help get you a less expensive buzz.
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Comment by Evelyn on March 25, 2010 at 11:00pm
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To answer your questions, yes MFC can be used with any organic matter, in fact Lebone is using them to produce enrgy from the decomposing waste of earth. I have heard of the methane thing, I think they are using them in swamps, where a lot of methane is produced, Id honestly have to check since I am not sure but it seems possible. Better? I do not know, I would have to check production costs and the amount of energy they can produce and compare the two results.
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The scope for biogas generation from non-sewage waste biological matter – energy crops, food waste, abattoir waste etc is much higher, estimated to be capable of about 3,000 MW in the UK.
In theory an MFC is capable of energy efficiency far beyond 50%.
That is what I found, doesnt make a lot of sense so sorry I could not help you more.
Comment
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