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Bacteria used to yield pure water and produce hydrogen, the fuel of the future
Key Excerpts from Article on Website of International Business Times


International Business Times, February 2, 2015
Posted: February 16th, 2015
http://www.ibtimes.co.uk/bacteria-used-yield-pure-water-prod...

In two separate research findings, scientists have used bacteria in processes that can deliver substantial power when scaled up in the future. While a Sintef team in Norway has a method to deliver purified water, a Missouri researcher has discovered a bacterium that produces hydrogen, the fuel of the future. The Sintef researchers converted waste water into power using bacteria in an entirely natural process that delivers purified water. As the bacteria feed on waste water, they produce electrons and protons and the resulting voltage generates electricity. While the electricity generated is small, it ... is an environmentally friendly process where the end product is purified water. The team plans to scale up the process to generate the power needed for the water purification. "In simple terms, this type of fuel cell works because the bacteria consume the waste materials found in the water," explains Sintef researcher Luis Cesar Colmenares. The challenge was in finding the bacteria most suited for the job and the right mechanism. The researcher at Missouri University of Science and Technology has stumbled upon a bacterium that could help mass-produce hydrogen for fuel cells in the future. The "Halanaerobium hydrogeninformans" bacterium can produce hydrogen under saline and alkaline conditions, better than modified organisms and could be valuable industrially when the process is scaled up. Another end product of the hydrogen process ... finds application in products including composites, adhesives, laminates and coatings.

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